Pipe Insulation Area Calculation. 3 Minimum Thickness Calculation. Insulation can typically reduce energy losses by 90% and help ensure proper steam pressure at plant equipment. Prodex Total Duct Insulation = Insulation + Radiant Barrier + Vapor Barrier All in One Product. Extruded Polystyrene (XPS) Rigid Foam Insulation Energy-Saving, Moisture Resistant XPS Insulation ASTM C 578 Type IV, 25 psi minimum Description Owens Corning ™ FOAMULAR® 250 extruded polystyrene (XPS) insulation is a closed cell, moisture-resistant rigid foam board well suited to meet the needs for a wide variety of building applications. d2 = outer insulation diameter [m]. Minimum insulation resistance value. This is the question. The insulation is tailored to fit for copper and iron pipe applications. Critical thickness is a concern however in insulating wires. 5% mill tolerance. 7752 inch minimum thickness multiplied by a 15 percent tolerance or 115 becomes 0. 19685 FT Assumed Insulation thickness X = 50 MM do = 160 MM 0. 000 W/m K Pipe R1= 0. 1 section 102. General Formula to Calculate Minimum Insulation Thickness Required to Prevent Condensation,t= k * R{(T1 - T2)/ (T3 - T1)} , Where, t = Insulation thickness (in) k = Thermal conductivity R = Surface temperature resistance T1 = Dew point temperature. Pipe applications include hot and cold water, hot water heating, high temperature, dual temperature, steam, condensate, and refrigerated lines. 3 section 304. diameter, wall thickness) for pipes. The quick, free and easy way to find out the insulation thickness and the U-value you need for your building project. Compared with the situation of steel pipes in Fig. One solution to Cold, Heat and Condensation - You'll be warm in winter, cool in summer and dry all the time. 0 Calculation of Material Thickness to Achieve Heat Loss Values 3. pipelines iii. Silica aerogels possess the lowest thermal conductivity of any known solid. Let's see how to use the pipe volume calculator correctly. 5 (Refrigeration Piping and Heat. sV = circumference x lenght x thick. Equations and calculator to determine the conductive heat loss through a cylinder with multiple layers that may include a pipe wall insulation. 2 Insulation shall meet the requirements of ASTM C-591, type IV "Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation". Relative cheapness – Compared with the overall price of building materials and the price of energy, insulation is a minor cost so this is an argument for heavy insulation. 6 Electrical Calculations L. Optimum thermal insulation thickness for pipes and ducts. If you wish to volunteer in developing this, please mail to contact @ codecalculation. This is due to the fact the outer surface have always the same area. INDUSTRIAL PIPE & EQUIPMENT INSULATION 2 Values represent typical physical and thermal properties. Rating: 7 Description. 1 Engineering applications requiring: • High compressive strength • Long-term thermal performance • Hydrophobic insulation, closed cell structure • No food value for rodents. 600 W/m K Thermal cond of Pipe= 30. The use of insulation on pipes carrying high. A major source of heat loss from a house is through walls. Pipe insulation plays an important role in the design and construction of buildings where pipe temperatures can range from 0°F to 1000°F (-18°C to 538°C) in copper, iron, PVC, CPVC, and stainless-steel piping. Where Tm is the temperature of the pipe and Tins. Reynolds Number: 44 Re DV DV Q m DD ρ µ ν πν π µ = = = = where. Includes 53 different calculations. For example, for a 3" (76 mm) pipe with 2". 1 section 102. On the other hand, as opposition to the thin wall assumption or membrane theory, there is the curved plate or thick wall pipe formulas derived from Lame´s theory whose use is more complicated, sometimes with iterations, and requires a careful approach like, for instance, in ASME B 31. Calculate insulation thickness (minimum value) required for a pipe carrying steam at 180 0 C. What is the conversion between the USA and metric R value please?. 000 W/m K Pipe R1= 0. Below is a list of some helpful tools and calculators: Condensation Control Calculator - This calculator estimates the thickness of insulation required to prevent condensation on the outer surface of an insulation system. Calculate ΔT ΔT = Tm - Ta English = 40ºF - (-20ºF) = 60ºF Metric = 4. Code of Practice for Thermal Insulation of Pipe Work and Equipment BS 5970 (In the temperature range –100 °C to +870 °C) Method of Specifying Thermal Insulating Materials on Pipes, Ductwork and Equipment BS 5422 (In the temperature range -40 °C to +700 °C) 1. Assume that, the indoor and the outdoor temperatures are 22°C and -8°C, and the convection heat transfer. If the minimum wall thickness based on ASME standards is greater than the calculated minimum wall thickness, you may be legally required to use the minimum wall thickness given in the ASME standard. 5 (Refrigeration Piping and Heat. Minimum Pipe Wall due to Internal Pressure. recommended insulation thickness guide / 0 f/inches pipe size-150 0. (PROJECT STANDARDS AND SPECIFICATIONS) TABLE OF CONTENTS 1 GENERAL 2 1. Figure 3 shows the heat loss vs. Conclusion: the x-direction heat flux through insulation is one order of magnitude smaller and, within reasonable approximation, dQ loss travels only perpendicular on the x-direction and is constant in any cylindrical cross section. Spreadsheet calculator that follows the paragraph 304. 1 of the National Building Code of Canada. Estimates of insulation thickness can be made using online tools, but these programs may not consider all relevant parameters, and mistakes can easily be made. Can find q if insulation thickness is known. I have already used the =PI() function to get the Bare circumfrence (BC) from the OD but now i need to to add 50mm thickness insulation. Heat conduction (pipes) Heat exchange by conduction through a tube : heat flux, insulation thus the thickness of the pipe is reduced as much as mechanically reasonable and a material with good - which means high - thermal conductivity λ is chosen. Our team has developed a unique range of tailored insulation thickness calculation programs, unrivalled in the industry. These are Sample Calculations, For Demonstration Purposes only. 1-1, Introduction Recommended Method (Based on an economic analysis). the structural adequacy of the subject Legibil 8Wc ity evaluated and peydfor , aUe 9305280306 930522 PDR ADOCK 05000390 Signature p A PDR C Microfilm and store calculations in RIMS Service Center. Most foam pipe insulation is 3/8 inch thick with an R-value of 2, but heavy-duty foam pipe insulation, which is 5/8 inch thick, has an R-value of 4. com or call 888-707-5814 (M - Th 9 am - 5:30 pm and F 9 am - 3 pm. A hot fluid is being conveyed through a long pipe of 4 cm outer diameter and covered with 2 cm thick insulation. , when θ2 = θd. Tools & Accessories Insulation Pre-insulated Pipes. Heating Cooling Pro Standard. 0 Calculation of Material Thickness to Achieve Heat Loss Values 3. AS4041 ASME B31 3 Pipe Wall Thickness. 95 0 f 96 0 f. Thickness to be applied in the de = Pipe_SI_SS_Dext_dn trated >= tBasic Pipe components should be rated using the calculations, for a selected dext = trated = no more than 87. 27 mm (50 mils) thick polyethylene; other types and thicknesses available on request. 2m ,while the insulations thickness is 25mm. For this reason, it is more common to use the thermal conductivity value when comparing the effectiveness of pipe insulation, and R-values of pipe. 1 Insulation shall be Trymer 2000 XP Rigid Polyisocyanurate Insulation manufactured by ITW Insulation Systems. Pipe wall thickness calculation according ASME B31. Calculation for Pressure Drop. Insulation thickness = 77. Selection Guides (PDF). These templates use S. Self-sealing foam insulation sleeves with. I searched online and found many charts for K values but I don’t think they are the same K you posted in the formula because they are dielectric constant (values are too low i. 6] is used, as specified in Reference 7. Flexalen 600. Estimator's Piping Man-Hour Manual John S. 0, August 2014 Unit Objective By the end of this unit each apprentice will be able to: Identify and measure basic pipe work fittings. Product selector Cold/ Cryogenic. 2 Temp outside pipe surface Ts = 65 149 609 Temp of ambient air Ta = 50 122 582 DT Ts - Ta = 15 Pipe Dia = 60 MM = 0. 1 code (Power Piping), ASME B 31. Heat loss (W/m) from insulated pipes - ranging 1/2 - 6 inches - insulation thickness 10 - 80 mm - temperature differences 20 - 180 deg C Sponsored Links The heat loss diagrams below can be used to indicate the heat loss from insulated pipes at various temperature differences. The recipient Email address" will only be used to forward this Email and will never be used for any other purposes or forwarded to a third party. We could also perform a similar optimization study, but for a minimum acceptable oil temperature level at the end of the pipeline, which could potentially reduce the insulation thickness (and the cost) even more. A minimum of 5 feet of perforated drain pipe of 3 inches minimum diameter shall join to and extend from the "T. 2 Insulation used in plenums shall be TRYMER 25-50 with ASTM E84 Flame Spread/Smoke Developed Indices of ≤25/50 at up to 1. Once those calculations are made, a solution can be identified. The minimum retirement thickness values were calculated for 6′-6″ dia. 4 table 102. Denser insulation products generally have more fibers in the same given area and generally have greater insulating power. @article{osti_6637055, title = {Economic thickness for industrial insulation}, author = {}, abstractNote = {The conservation of energy through the use of the optimum economic thickness of insulation has clear benefits for industry in the U. 8 codes: minimum wall thicknesses for: - single element pipes - curved elbows. 250 0 f 251 0 f. 12 Calculation. The reciprocal = 1 ÷ total of all R-values. Heat Loss from an Insulated Pipe spreadsheet calculates heat loss from an insulated and a bare pipe. Erik Hulme "Heat Transfer through the Walls and Windows" 34 Jacob Hipps and Doug Wright "Heat Transfer through a Wall with a Double Pane Window" 35 Ben Richards and Michael Plooster "Insulation Thickness Calculator" DOWNLOAD EXCEL 36 Brian Spencer and Steven Besendorfer "Effect of Fins on Heat Transfer". The Surface and Layer contact columns have zero thickness. Determine Pipe Heat Loss Find QP in Table 1 (page 2) for the nominal pipe size and insulation thickness based on ΔT. This Calculator estimates the thickness of insulation required to prevent condensation on the outer surface of an insulation system. This Excel spreadsheet can be used to calculate the pipe flow rate, required diameter, depth of flow or pipe slope for partially full pipe flow of a viscous liquid. We will calculate the volume of a 6-meter length pipe, with an inner diameter equal to 15 centimeters. The Hydraulic Calculator by Zanthic Innovations is the perfect App for anyone who works with hydraulic circuits. The results from this particular optimization study indicate that the minimum insulation thickness is around 8. •BP Thunder Horse - o132 C, 2. Below is a list of some helpful tools and calculators: Condensation Control Calculator - This calculator estimates the thickness of insulation required to prevent condensation on the outer surface of an insulation system. Property values used in the Pipe Insulation Calculator were obtained from Tables A. Shop Grainger Canada for quality Pipe Insulation products. Insulation Thickness, Thermal Conductivity & Performance Criteria Revision 2. Range For Installati on On Class Page BP8150 2 1/2 - 42 Flat Surface, Pipe Roll Medium 5 BP8160 2 1/2 - 42 Flat Surface, Pipe Roll Medium 6. 5 (Refrigeration Piping and Heat. 5 4 5 6 8 10 12 14 16 18 20 24 26 28 30. Deflection value for the selected length SS pipe Pipe. Simply enter your zip code and the square footage, next click update and you will see a breakdown on what it should cost to have Spray Foam Insulation installed in your home. Insulation. Most pipe insulation producers have calculation programs for this, and they can give you a fair hint. In that case, temperature of outer surface of insulation may increase to more than 50°C. ISO 12241 for the calculation of the insulation thickness and ISO 23993 for the conversion factor. Here are the contents of the excel file: 150# RF PIPING DIMENSIONS; 300# RF PIPING DIMENSIONS; 600# RF PIPING DIMENSIONS; 900# RF PIPING. While you can’t have too much insulation, older homes often don’t have enough. Category: Insulation Specification Thickness Charts The following charts may be used as guides when specifying insulation thickness per your specific applications diameter. Chapter 1 - Piping Size. If you’d like to start saving money and time today, buy Foam it Green Spray Foam Insulation>> now or call us at 800-516-0949. While you can’t have too much insulation, older homes often don’t have enough. A power law curve has been fitted to the data in table 102. Excel Add-in. 3 Pipe Thickness Calculator - piping-designer. 4 PROVISIONS FOR COOLING WATER AND REFRIGERANT PIPEWORK AND VESSELS 1. This article shows how to calculate heat loss from an insulated pipe and a bare pipe to surroundings. recommended insulation thickness guide / 0 f/inches pipe size-150 0. Compared with the situation of steel pipes in Fig. 026 m R3= 0. , Calgary, Canada. Isentropic Relations. Calculate ASME B31. ) to be insulated. Pipe Water Velocity and Minimum Pipe Diameter. 0218 x T x (D+T ) Ib/ft I = insulation density in pounds per cubic foot T = insulation thickness in inches D = outside diameter of pipe in inches. 6 mm Tube diameter = 25. Insulation thickness = 77. Convert insulation R value by xmas on 01/01/04 at 23:37:58 Roofing insulation has an R value. 5504 inches. xls (Excel Work Sheet). Note: This calculation determines the ideal thickness of water piping insulation for efficiently and economically preventing a heat transfer from outside to inside and keeping the water transported within cool. Download Pipe Insulation Excel Calculator for HVAC Thermal Insulation Pipe insulation is designed to assist keeping a suitable temperature for pipes and any fluid flowing via the pipes. Denser insulation products generally have more fibers in the same given area and generally have greater insulating power. 5%, so in calculation we have to use the least thickness we will get considering negative 12. The pipe insulation is molded from heavy density resin bonded glass fibers that come in 3 foot long hinged sections. 000 W/m K Pipe R1= 0. 3 section 304. Use with Heat Line heat trace tape, heating cables, heat tape. 90 and design cold face temperature of 59°C 23 23 Minimum insulation thickness to control the surface temperature of a. Provides is a tutorial and reference book that represents the collective efforts of the most knowledgeable specialists in the ammonia refrigeration industry. Energy Calculator : This calculator estimates the performance of an insulated horizontal piping system given the operating temperature, the ambient temperature and other details. Opinions expressed are those of the authors and not necessarily those of the National Science Foundation. 3 Pipe Thickness Calculator - piping-designer. INSULATION THICKNESS CALCULATION SHEET Date : 31/01/2003 ProjectNo: 6440 Service : Steam supply to Feed Water Tank Temp inside insulation surface T1 = 184 363. 3 of Fundamentals … Retrieve Doc. Miter all joints and seal with adhesive. 8 Two separate computer programs are described in this practice as a guide for calculation of the heat loss or gain, and surface temperatures, of insulated pipe and equipment systems. Determining the R-value for tubular insulation is more complex since the outer surface area of the insulation is proportionately greater than the inner (in contact with the pipe) surface area. On our site you can calculate the weight of various materials on metal as close to real as possible. Below the economic insulation thickness will be explained briefly. Pipe Insulation Area Calculation. Also known as pipe shields, these cradles provide additional support and prevent insulation from tearing when routing insulated pipe through loop hangers. the pipe diameter plus two times the insulation thickness) (m) k is the insulation thermal conductivity (W m-1 K-1) ΔT is the temperature difference between the insulation surface and ambient air T s-T a (K). Calculates the minimum required walll thickness for pipe due to internal pressure in accordance with ASME B31. 99 - Pipe flange database. Extra margin must be taken on insulation thickness as sometimes conducting heat transfer through insulation may become higher than convective heat transfer due to air on outside wall of insulation. It is helpful in determining the maximum pressure capacity a pipe can safely withstand. Lower the operation cost of your trace heating, electrical heat tracing, heat tape, pipe warmer heating cable with pipe insulation. It is proposed to reduce the conduction heat loss to the surroundings to one-third of the present rate by further covering with same insulation. Once they are established, these conditions become the basis of that system’s design. 1 Scope 2 1. WALL THK CALCULATION. 000 W/m^2 K. Insulating your water pipes helps reduce heat loss and can raise the water temperature by 2 to 4 degrees, and it also helps prevent freezing in cold temperatures. BS 6700 recommends that ﬂow velocities should not exceed 3 m/s. Estimates Heat Loss from an Insulated and Bare Horizontal Steel Pipe along with calculation of Surface Temperature. 3Type I Block (Grade 6) limit values, where applicable, are specified by ASTM C552 Standard Specification for Cellular Glass Thermal Insulation. xls 673 KB 7. Order Information: Specify Quantity • Pipe Size & Type • Insulation Thickness • Figure Number 81-Series Commercial & Light Industrial Pre-Insulated Pipe Supports Pipe Siz e Load Fig. 0 enables you to design installations with best economic and environmental fit by calculating for example operational costs, CO 2-savings, amortisation of insulation work and economic thickness calculations. 150 0 f 151 0 f. 1 Heat Loss Calculations Pipe Insulation is thermal insulation used to prevent heat loss and gain from pipes, to save energy and improve effectiveness of thermal systems. 250 0 f 251 0 f. 1 code (Power Piping), ASME B 31. These calculations can be made more easily using the latest version of the ArmWin program provided by Armacell. Calculate ΔT ΔT = Tm - Ta English = 40ºF - (-20ºF) = 60ºF Metric = 4. A standard 90mm stud will allow for an acoustic insulation of the same thickness, which in most cases should suffice. Compared with the situation of steel pipes in Fig. 3-2002 A 106, App. Insulation thickness for freeze protection 50 mm (2 in) minimum; other thicknesses available on request. Building Walls Walls of buildings are constructed of several layers of different thickness, material, and area. Table 8 The optimum parameters obtained by the calculation for the stainless steel pipe. Use Energy Efficient Solutions' spray foam insulation calculator to determine how much insulation you'll need to help seal your home and save on energy bills! You can adjust metrics like total area, cured thickness, and application type to find a workable insulation solution. Partial support for this work was provided by the NSF-ATE (Advanced Technological Education) program through grant #DUE 0101709. Barlow's Formula is a calculation used to show the relationship between internal pressure, allowable stress (also known as hoop stress), nominal thickness, and diameter. † Type and thickness of insulation † Diameter of pipe or surface area of tank † Outdoor or indoor application † Maximum expected wind velocity (if outdoors). This calculator makes the calculation using the equation below: B31. ArmWin Professional Insulation Thickness Calculator; Armaflex Introduction to Installation; Armaflex Tubes for Bend 90, 45, Segment Bend 90; Armaflex Tubes for Segment Bend 90 with 2 and 3 Parts; Armaflex Tubes T-Piece 90, 45; Armaflex Tubes for Small Valve Applications; Armaflex Tubes "Y" Fitting Application; Armaflex Tube/Sheet Pipe Support. 6 Units 8 1. Professional Insulation Thickness Calculator Country Africa Austria Bahrain Belgium Brazil Bulgaria Canada Croatia Czech Rep. 72, Effective t = 0. Pipe wall thickness; and. Insulation thickness for freeze protection 50 mm (2 in) minimum; other thicknesses available on request. Pipe Water Velocity and Minimum Pipe Diameter. 4 Pipe Material 6 inch 1,250 x 6. A closed cell structure of the insulation is critical as moisture inevitably. WEIGHT OF PIPING INSULATION Pipe Insulation Weight = I x. Calculations performed in accordance with EN 13941; Advanced calculations using an even more accurate program. To estimate the number of bags you'll need, convert the desired insulation depth to feet (for example, 4 inches is 0. How can i measure the surface area of a pipe section for example: NB is 4 inches n thickness is 25 mm. Energy Calculator : This calculator estimates the performance of an insulated horizontal piping system given the operating temperature, the ambient temperature and other details. Critical thickness is a concern however in insulating wires. The minimum pipe insulation thicknesses are given in two tables, 6. 5% mill tolerance. The table shows typical heat loss from uninsulated steam distribution lines. Wave travel time calculation "Need Length>0". For an example calculation, we need a few assumptions. Use of this calculator does not guarantee the proper function or performance of any product manufactured in accordance with the date herein. Insulation R values of various materials: This article provides a Table of Insulation Values and Properties for Various Insulation Materials useful in procedures to measure or calculate heat loss in a building, defines thermal terms like BTU and calorie, provides measures of heat transmission in materials, building insulation design data, and heat loss in a building. Conclusion: the x-direction heat flux through insulation is one order of magnitude smaller and, within reasonable approximation, dQ loss travels only perpendicular on the x-direction and is constant in any cylindrical cross section. 87 (m2 ºC/W) for 25 mm thickness according to CAN/ULC-S770-00. Lagging water tanks and pipes and insulating behind radiators reduces the amount of heat lost, so you spend less money heating water up, and hot water stays hotter for longer. units and U. 7 Language 9 2 MATERIAL 9 2. They can be made custom to fit whatever sizes are required. About product and suppliers: 603 armaflex pipe insulation size chart products are offered for sale by suppliers on Alibaba. Condensation Control Calculator for Horizontal Pipe. 385, calculation of pressure design thickness for straight pipe requires special consideration of factors such as theory of failure, effects of fatigue, and thermal stress. Excel & Matematik Projects for $10 - $30. A hot fluid is being conveyed through a long pipe of 4 cm outer diameter and covered with 2 cm thick insulation. Includes 53 different calculations. Flexalen 600 double lines Flexalen 600 single line. Single Sided Welds: Approve double sided welds and welds with backing. This article shows how to calculate heat loss from an insulated pipe and a bare pipe to surroundings. In each table, minimum insulation thicknesses are referenced for both pipe size and for operating temperature. Seal the subfloor: Holes for electrical wiring and plumbing should be sealed with spray foam insulation. We begin with some results that we shall use when making friction loss calculations for steady, fully developed, incompressible, Newtonian flow through a straight circular pipe. The temperature loss through a certain type of insulation is given by the following equation. For Re numbers <2320. 27 mm (50 mils) thick polyethylene; other types and thicknesses available on request. The quick, free and easy way to find out the insulation thickness and the U-value you need for your building project. To calculate the Y-value for your building, fill out the measurements of each area in meters. Erik Hulme "Heat Transfer through the Walls and Windows" 34 Jacob Hipps and Doug Wright "Heat Transfer through a Wall with a Double Pane Window" 35 Ben Richards and Michael Plooster "Insulation Thickness Calculator" DOWNLOAD EXCEL 36 Brian Spencer and Steven Besendorfer "Effect of Fins on Heat Transfer". sV =(2pi (3cm)) (6m) (7mm) Convert the different units into single unit only. Insulation R values of various materials: This article provides a Table of Insulation Values and Properties for Various Insulation Materials useful in procedures to measure or calculate heat loss in a building, defines thermal terms like BTU and calorie, provides measures of heat transmission in materials, building insulation design data, and heat loss in a building. Condensation Control Calculator for Horizontal Pipe. Note: This calculation determines the ideal thickness of water piping insulation for efficiently and economically preventing a heat transfer from outside to inside and keeping the water transported within cool. Estimates Heat Loss from an Insulated and Bare Horizontal Steel Pipe along with calculation of Surface Temperature. After the calculation, you can see total weight in the calculations section. Flexalen 600. Since Armaflex tubing is. Insulation thickness (inch) Pipe surface calculator. For an example calculation, we need a few assumptions. Once they are established, these conditions become the basis of that system’s design. Enter average temperature. I need to calculate the insulation thickness needed for CHW pipes and ducts. Compared with the situation of steel pipes in Fig. Hence for Insulation between 0 to 50 mm we could have Standard standout of 150 mm ( 6 Inch) But when insulation is 100 mm then standout must increase to 200 mm (8 inches) Clearance (100 mm) = Standout (200 mm) - Insulation Thickness (100 mm) Similarly if insulation is 150 mm then standout must increase to 250 mm (10 inches) so on and so forth. Thermobreak® is a leading flexible thermal insulation material made from physically (irradiation) cross-linked closed-cell, polyolefin foam, factory bonded to pure reinforced aluminium foil and available with a pressure sensitive adhesive backing. For pipe insulation, the R-value varies not only with the insulation thickness and thermal conductivity ("k-value") but also with the pipe outer diameter and the average material temperature. recommended insulation thickness guide / 0 f/inches pipe size-150 0. 5” pipe insulation thickness to 3” pipe insulation thickness your efficiency only changes 1% (from 91. SSL II® with ASJ Max Fiberglas™ Pipe Insulation. 150 0 f 151 0 f. U-value calculator 1 Element and exposure. Pipe wall thickness calculation according ASME B31. Starts with 40 pipes, but can drain those pipes into the next 40 pipes and so on. WEIGHT OF PIPING INSULATION Pipe Insulation Weight = I x. Industrial Insulation Phase 2 1 Measuring Revision 2. Enter average operating (process) temperature; Line 3. Ventilate: An insulation contractor can calculate the ventilation your crawl space needs and will cut in new vents as required. Note: This calculation determines the ideal thickness of water piping insulation for efficiently and economically preventing a heat transfer from outside to inside and keeping the water transported within cool. The R-value is the thickness of the product in metres ÷ Lambda (thermal conductivity). Pipe weighs 71 lbs/lf. • Do not crowd insulation-covered pipes. For 6" ss pipe the minimum commercially available thickness is sch-5s = 0. We aim to help you choose the most cost effective product for your needs and can offer a large range from economy options such as domestic grade polyethylene pipe insulation through to products for fire stopping that offer a 2 hour structural fire rating. Select Nominal Pipe Size, NPS; Line 2. to satisfy the. 4 table 102. Insulation Thickness Calcualtion - posted in Refining, Hydrocarbons, Oil, and Gas: Dear All, I am working to calculate the thickness of insulation for process pipes carrying super heated as well as staturated steam I have forlmulia to calculate it but I want to know basic refrence for this topis any one have good book or literature please share me. The minimum pipe insulation thicknesses are given in two tables, 6. All Cinicalc calculations are based on the international standards, i. 68 Pipe Outside Diameter from Pipe Charts, mm D 273. To calculate the Y-value for your building, fill out the measurements of each area in meters. If you enter 1 linear foot in line 1, select the size pipe in line 2, and the insulation material in line 6, you can review the default cost for a linear foot for various insulation thicknesses in the “Results” section. Pipe Insulation Tool This is an easy-to-use tool for designers, installers and property owners to work out how effective insulation will be in delaying the effects of cold weather on water pipes, such as freezing. Calculation procedures according to ISO standard 12241 and other supporting engineering rules and guidelines such as VDI 2055. Once they are established, these conditions become the basis of that system’s design. -Project Objective: Create an Excel worksheet that can calculate the insulation thickness for a variety of fluid, pipe, and insulation types. Calculate ASME B31. 020 m R2= 0. 99 - Select nominal pipe size, flange rating insulation thickness and the app will calculate the rest Pipe Fittings - $3. using the heating degree-days (HDD) indicator in Afyonkarahisar/Turkey. 1-2007 and 2010; 2009 and 2012 IMC Table 6. Professional Insulation Thickness Calculator Country Africa Austria Bahrain Belgium Brazil Bulgaria Canada Croatia Czech Rep. flange thickness calculation can be done by different methods like : A. 200 cP The Chemical Engineers' Resource Page Thermal cond of Fluid= 0. For example, for a 3" (76 mm) pipe with 2". Insulation Thickness= 0. Grainger Canada has been Canada's premiere industrial supplier for over 125 years. Calculate ΔT ΔT = Tm - Ta English = 40ºF - (-20ºF) = 60ºF Metric = 4. 60 Fiberglass pipe insulation is high temp resistant and perfect for use on iron, copper and pvc pipes in high temp areas such as power plants, industrial facilities and commercial spaces and also on in homes with gas or oil boilers. Payback period vs. 12 Calculation. This calculator estimates the thickness of insulation required to avoid condensation on the outer surface of an insulated horizontal steel pipe. However, metal pipes are good heat conductors resulting in considerable heat loss from hot water. The three main cost components in this cost structure are:. Economic insulation thickness. Guideline that covers the installation of XPS Pipe Billet Insulation on refrigeration piping systems. Calculate ASME B31. H 60%: NORMAL CONDITIONS AMBIENT 20ºC R. Thickness is a critical factor in the success or failure of an insulation system. Submitted By: Travis (tklassen). Fiberglass Pipe Insulation covering is intended as a thermal insulation for both hot and cold service piping from -20°F to 1000°F. Insulation. T f is the fluid temperature inside the pipe (K) D O is the pipe diameter (m) D S is the outside diameter of the insulated pipe (i. This situation is because the heat conduction. Although this is better insulation than was the case till recent changes to the building regulations, it is hardly eco-house standard. Barlow’s Formula is a calculation used to show the relationship between internal pressure, allowable stress (also known as hoop stress), nominal thickness, and diameter. Find Flow calculation and results screenshots from Pipe Flow Wizard Software for Windows. Download Free MEP Calculation Excel Sheets, AutoCAD Drawings, and Training Courses for HVAC, Firefighting, Plumbing and Electrical Systems Design. Estimates Heat Loss from an Insulated and Bare Horizontal Steel Pipe along with calculation of Surface Temperature. Excel Add-in. BCA 2013 Provisions for Insulation of Small Vessels, Heat Exchangers and Tanks Used For Heating Water and Steam SECTION 3: BCA 2013 (VIC) SPECIFICATION J5. It works on multiple platforms and provides all the necessary formulas right at your fingertips. The Armacell 1/2 in. Can find insulation thickness if q is specified. The Wall Thickness Calculation Tool is based on calculations provided by three standards and recommended practices that are widely used in the United States (US). Select the pipe schedule (NPS or ISO), pipe diameter and wall thickness, or use the user defined option. Use of this calculator does not guarantee the proper function or performance of any product manufactured in accordance with the date herein. If you know the outer diameter of the roll and the core on which paper is wound and the thickness of the paper, you can calculate the length of paper using following equations. Online calculator to quickly determine Economical Insulation Thickness of Steam Piping. INDUSTRIAL PIPE & EQUIPMENT INSULATION 2 Values represent typical physical and thermal properties. For this reason, it is more common to use the thermal conductivity value when comparing the effectiveness of pipe insulation, and R-values of pipe. For For t ≥ D/6 or for P/SE > 0. • Pipe Insulation Dimensions are Industrial Insulation Group actual dimensions The following tables list the heat loss and surface temperature of bare and insulated pipes. Share AS4041 ASME B31 3 Pipe Wall Thickness. thickness = 305. Erik Hulme "Heat Transfer through the Walls and Windows" 34 Jacob Hipps and Doug Wright "Heat Transfer through a Wall with a Double Pane Window" 35 Ben Richards and Michael Plooster "Insulation Thickness Calculator" DOWNLOAD EXCEL 36 Brian Spencer and Steven Besendorfer "Effect of Fins on Heat Transfer". KMI's professional dedication to our customers and project teams has been contributing to successful projects since 2005. Apr 23, 2016 Wall thickness of a pipe is calculated using Pressure, Temperature and materials. This article shows how to calculate heat loss from an insulated pipe and a bare pipe to surroundings. Some of the key features of the spreadsheet are: Calculates heat loss per unit length of pipe. Pipe wall thickness; and. This is the question. Calculate ΔT ΔT = Tm - Ta English = 40ºF - (-20ºF) = 60ºF Metric = 4. Let's see how to use the pipe volume calculator correctly. Pipe Insulation Area Calculation. For this reason, it is more common to use the thermal conductivity value when comparing the effectiveness of pipe insulation, and R-values of pipe. Our Micro-Lok® HP fiberglass pipe insulation has a highly consistent fiberglass core that allows for quick, accurate cuts to accommodate fittings and pipe supports. With material selection you can detail pipe. 0218 x T x (D+T ) Ib/ft I = insulation density in pounds per cubic foot T = insulation thickness in inches D = outside diameter of pipe in inches. sV = circumference x lenght x thick. 4 Pipe Material 6 inch 1,250 x 6. The insulation is tailored to fit for copper and iron pipe applications. 028 [W / m ° C] l PE, the thermal conductivity of the casing pipe = 0. A total thickness of about 360mm if you include plaster. 1 Insulation used in non-plenum applications shall be TRYMER 2000XP or TRYMER 25-50 Rigid Polyisocyanurate Insulation manufactured by Johns Manville. Calculates the minimum required walll thickness for pipe due to internal pressure in accordance with ASME B31. 570 KJ/kg K Fluid Viscosity= 5. Seal the subfloor: Holes for electrical wiring and plumbing should be sealed with spray foam insulation. It does not determine the thickness of insulation designed to keep condensate or other fluids from losing heat. Page MAN HOURS NET MAN HOURSEACH nominal pipe size Nominal WALL THICKNESS nozzle welds NUMBERS AND PERCENTAGES O. Professional, fast and above all to TechCalc mobile 2. 8 and CSA Z662. Now you can easily calculate thickness insulation with the help of ISOWTC Insulation Software. Piping and equipment insulation R-004 Rev. I need to calculate the insulation thickness needed for CHW pipes and ducts. These include API RP 1111, ASME. Dear sir, i am new to insulations Field so please guide me. Once they are established, these conditions become the basis of that system’s design. There are many choices for insulation, but it helps to know the strengths and weaknesses of each type in order to make an informed selection. Volume of water in pipe - calculation example. 1 Heat transmission modes. Just as important is selecting insulation with the appropriate thickness relative to the pipe size. "WEIGHTS" is a spreadsheet program written in MS-Excel for the purpose of calculating the weights of pipes and tanks or vessels. 6°C > Td =22. Calculate Rectangle Pipe Weight Select Material Steel Iron Aluminum Brass Bronze Cast Polyamide Copper Chromium Derlin Fiber Gold Lead Magnesium Molybdenum Nickel Platinum Polyamide Polythene Silver SS 316/321 SS 410/430 SS 304/310 Titanium Tin Teflon Zinc Zirconium Select Material. Heat loss may be caused by radiation, convection, and conduction through the pipe wall and insulation, if any, and through the fluid film adjacent to the pipe wall. Pipe Wall Thickness Calculation(ASME B31. 87 (m2 ºC/W) for 25 mm thickness according to CAN/ULC-S770-00. NAIMA's FREE 3E Plus® software program makes it easy to calculate…. To calculate the Y-value for your building, fill out the measurements of each area in meters. Cini reference. 3Type I Block (Grade 6) limit values, where applicable, are specified by ASTM C552 Standard Specification for Cellular Glass Thermal Insulation. Heat loss (W/m) from insulated pipes - ranging 1/2 - 6 inches - insulation thickness 10 - 80 mm - temperature differences 20 - 180 deg C Sponsored Links The heat loss diagrams below can be used to indicate the heat loss from insulated pipes at various temperature differences. Barlow's Formula is a calculation used to show the relationship between internal pressure, allowable stress (also known as hoop stress), nominal thickness, and diameter. Pipe Wall Thickness Calculation followed ASME B31. If "NA" appears for a given insulation thickness, that indicates that the thickness is. 5 • Application of Hot Insulation 15 4. Insulating a hot water tank A hot water cylinder jacket costs about £15, and fitting it is a straightforward job if you follow the manufacturer’s instructions. The Armacell 1/2 in. AS4041 ASME B31 3 Pipe Wall Thickness. The basic calculations are defined in ISO 12241. The Wall Thickness Calculation Tool is based on calculations provided by three standards and recommended practices that are widely used in the United States (US). If you enter 1 linear foot in line 1, select the size pipe in line 2, and the insulation material in line 6, you can review the default cost for a linear foot for various insulation thicknesses in the "Results" section. This tool was developed using calculation methods published in AWWA M11 to verify the heat balance of your above grade pipeline and determine suitable pipe insulation material and. It is very useful to calculate an insulation thickness for a given cool-down time with the Excel solver. xls (Excel Work Sheet). 3, ASME B31. This rubber insulation can fit your copper and iron pipes. Vermiculite Fire Resistant Insulation board is used as head shield, register plates or replacement fire bricks for wood burning or multi fuel stoves. Pipe - Pro: Piping Estimating Software for HVAC industry can be used to estimate the cost of pipe installing. This MS Excel spreadsheet calculates the following paraneters:. FlexWrap® Pipe and Tank Wrap fi ts all pipes and equipment of 10” NPS and larger which reduces inventory. A 3" Carbon steel pipe is carrying hot oil at 180°C and insulated with 50 mm thick calcium silicate insulation. Self-sealing foam insulation sleeves with. Calculate ASME B31. Installation Manual PIPE AND EQUIPMENT INSULATION Return to table of contents 4 Preparation and Storage Pyrogel® insulation materials should be stored in a clean, dry and protected environment. Water Velocity. The basic calculations are defined in ISO 12241. Product selector HVAC/ Ambient. Square Pipe Size (mm) Square Pipe Thickness (mm) Square Pipe Kg / Metre; 20 X 20 Size (mm) 2 Thickness (mm) 1. 3 Pipe Thickness Calculator - piping-designer. flange thickness calculation can be done by different methods like : A. 3 code (Process Piping),and ASME B 31. Building Walls Walls of buildings are constructed of several layers of different thickness, material, and area. Fiberglass Pipe Insulation covering is intended as a thermal insulation for both hot and cold service piping from -20°F to 1000°F. Calculation Reference ASME B31. To compensate for this difference, an “equivalent thickness” calculation must first be done: *Equivalent Thickness (in) For. The pipe is used to transport water. 99 - Contains standard schedules of piping up to 80 Piping Databse - Flanges - $3. Insulation Thickness Calcualtion - posted in Refining, Hydrocarbons, Oil, and Gas: Dear All, I am working to calculate the thickness of insulation for process pipes carrying super heated as well as staturated steam I have forlmulia to calculate it but I want to know basic refrence for this topis any one have good book or literature please share me. Extent of Pipe Insulation 8. ISO 12241 for the calculation of the insulation thickness and ISO 23993 for the conversion factor. Hence for Insulation between 0 to 50 mm we could have Standard standout of 150 mm ( 6 Inch) But when insulation is 100 mm then standout must increase to 200 mm (8 inches) Clearance (100 mm) = Standout (200 mm) - Insulation Thickness (100 mm) Similarly if insulation is 150 mm then standout must increase to 250 mm (10 inches) so on and so forth. Please fill all required fields. 2011-10-08 An Excel Spreadsheet as a Minimum Pipe Wall Thickness Calculator. minimum pipe wall thickness calculator excel spreadsheet. I need to calculate the insulation thickness needed for CHW pipes and ducts. Pyrogel XTE is the most effective high-temperature insulation material in the industrial market, typically 2-5 times thinner than other widely used insulation products. Includes 53 different calculations. +thickness). Deflection value for the selected length SS pipe Pipe. Pipe Length. Armacell has completely revised its technical calculation program and for the first time also provides ArmWin for use on mobile devices such as smartphones. Add the R-values of all materials used in the application (including any air gaps) and calculate the reciprocal. CINI cross reference list. 5 • Application of Hot Insulation 15 4. It is very useful to calculate an insulation thickness for a given cool-down time with the Excel solver. Detail information about behind the back calculations is given at the end of this calculator. minimum pipe wall thickness calculator excel spreadsheet. The main purpose of ISOWTC insulation thickness calculator is to minimize the loss of heat energy pin BASICS OF PIPE STRESS ANALYSIS: A PRESENTATION-Part 1 of 2 – What. … View Full Source. 3 Deflection at ther center of a simple Check For Result there is a deflextion thus the condition for the maximum bending stress. (7) When calculating the maximum number of conductors permitted in a conduit or tubing, all of the same size (total cross-sectional area including insulation), the next higher whole number shall be used to determine the maximum number of conductors permitted when the calculation results in a decimal of 0. heatlossinsulatedpipe. During simultaneous discharges, ﬂows from taps should not be less than the minimum ﬂow rates shown in table 5. This pipe thickness calculator calculates required pipe thickness for a process pipe based on ASME B31. Minimum insulation resistance value. 0 enables you to design installations with best economic and environmental fit by calculating for example operational costs, CO2-savings, amortisation of insulation work and economic thickness calculations. 0 enables you to design installations with best economic and environmental fit by calculating for example operational costs, CO 2-savings, amortisation of insulation work and economic thickness calculations. There may be an additional voltage drop due to the inductance of the bar. xls 69 KB W-AHPCorrect04. Formula to calculate the wall thickness for pipe - Answers. For an example calculation, we need a few assumptions. 5 inches of insulation thickness. considering 1 linear meter of pipe. with tape of the same material as the insulation facing. the physical properties (e. The key components of the design conditions for the wall thickness calculation are the design pressure and the design temperature. 5 - Pre-Insulated by Series-3 package Occurring Pipe Heat Loss. It is the user's responsibility to ensure their product is designed and manufactured to resist all forces applied. xls 144 KB 196. Select the pipe schedule (NPS or ISO), pipe diameter and wall thickness, or use the user defined option. ISO 12241 for the calculation of the insulation thickness and ISO 23993 for the conversion factor. The weight per meter of pipe is often necessary to know to calculate loads in structures. 8 Two separate computer programs are described in this practice as a guide for calculation of the heat loss or gain, and surface temperatures, of insulated pipe and equipment systems. Thickness: 1/2 inch or more Heat resistance: Gas pipe : 250°F or more / Liquid pipe : 160°F or more 3. 68 Pipe Outside Diameter from Pipe Charts, mm D 273. Equations displayed for easy reference. 1, Neoprene=6. FULL_STORM WATER NETWORK CALCULATOR Including Rectangular Pipes and splitting flows into multiple pipes, especially when entering Kerbs etc. 3-2008 …Sample Calculations piping B31. Critical thickness is a concern however in insulating wires. It is important to know how heat is transferred in fish holds. Normally insulation in your case is measured in square meters: Insulation area : pi*(14+2)*25. 1, to find the load duration for the pipe under normal operating conditions that will ensure a cumulative. 14 best Freezing Point - Freezing Time Calculator images on Determination of optimum insulation thickness in pipe for Results and In this study, optimum insulation thickness in pipes. units and U. 27 mm (50 mils) thick polyethylene; other types and thicknesses available on request. The thickness of an insulation system is determined by the most optimal cost structure, with the lowest total annual costs. For an example calculation, we need a few assumptions. steel structures iv. Select the pipe schedule (NPS or ISO), pipe diameter and wall thickness, or use the user defined option. If no protective finish or cladding system is to be installed, the external surface of the insulation should be wrapped with galvanised wire netting of 25mm mesh and 1mm thickness, complying with BS 1485 and the netting joints should be secured with a lacing of 1mm galvanised wire. 1 Heat transmission modes. Pipe Spacing - $1. With over 20 years experience in the development of software for technical. The reason for this is that the insulation manufacturers are trying to make it easier to hit the 270mm thickness sweet spot. First: what's your ambient conditions? Temperature? Air moist? Knowi. If you enter 1 linear foot in line 1, select the size pipe in line 2, and the insulation material in line 6, you can review the default cost for a linear foot for various insulation thicknesses in the “Results” section. Our Micro-Lok® HP fiberglass pipe insulation has a highly consistent fiberglass core that allows for quick, accurate cuts to accommodate fittings and pipe supports. This is the question. The insulation is tailored to fit for copper and iron pipe applications. Denser insulation products generally have more fibers in the same given area and generally have greater insulating power. Space pipes far enough apart to allow for the free circulation of air. Calculate the additional thickness of insulation: a. The range of application of these programs and the reliability. You should take the outer diameter (pipe dia. Thank you for showing interest in buying our book TECHNICAL CALCULATION AND ESTIMATOR'S MANHOURS MANUAL You can buy the electronic v ersion of the Manual containing all the figurest and other relat ed data at the following prices: 1. Estimates of insulation thickness can be made using online tools, but these programs may not consider all relevant parameters, and mistakes can easily be made. (note: Small amounts of powdered lubricant may enter open ends of pipe or tubing. 5 in) minimum; other thicknesses available on request. Also i want to do insulations to a pump,its dimension is 0. Surface temperature of pipe/vessel: Calculations are based on the assumption that the surface temperature of the pipe/vessel is the same as that of the contained fluid. Furthermore, metal pipe cladding is resistant to chemicals. the additional design condition. products means less thickness is required for equivalent heat fl ow • A cost Effective Substitute of Pre-formed Pipe • Insulation - FlexWrap® Pipe and Tank Wrap is an effective alternative to larger sized, pre-formed pipe insulation. Pipe sizing standards may differ around the world, but pipe sizes can be determined using the thickness of the pipe walls and circumference of the pipe. This Excel spreadsheet can be used to calculate the pipe flow rate, required diameter, depth of flow or pipe slope for partially full pipe flow of a viscous liquid. 2 Temp outside pipe surface Ts = 65 149 609 Temp of ambient air Ta = 50 122 582 DT Ts - Ta = 15 Pipe Dia = 60 MM = 0. While movement above the water surface from waves and ripples can make calculating water pressure on the surface difficult, water pressure at lower water depths is easier to calculate. Pipe applications include hot and cold water, hot water heating, high temperature, dual temperature, steam, condensate, and refrigerated lines. Jacketing 1. For this reason, it is more common to use the thermal conductivity value when comparing the effectiveness of pipe insulation, and R-values of pipe. Specifically, the weight of pipes either empty or full of contents, with/without insulation, and with/without ice buildup is determined. MILD CONDITIONS AMBIENT 20ºC R. 1 section 102. Property values used in the Pipe Insulation Calculator were obtained from Tables A. the pipe diameter plus two times the insulation thickness) (m) k is the insulation thermal conductivity (W m-1 K-1) ΔT is the temperature difference between the insulation surface and ambient air T s-T a (K) h s is the insulation-to-air heat surface heat transfer coefficient (W m 2 K-1). 2, June 1999 NORSOK standard 5 of 26 Acoustic insulation Class 6, 7 and 8 The acoustic insulation is defined as the arithmetic average of the insertion loss in the three octaves bands 500 Hz, 1000 Hz and 2000 Hz. Greenfiber Insulation Calculator - easy to follow steps for calculating the perfect amount of insulation needed for your project!. Professional, fast and above all to TechCalc mobile 2. d2 is equal to the pipe diameter + twice the insulation thickness d1 = inner insulation diameter [m]. D o = Diameter of pipe including insulation thickness, feet = OD of bare pipe + 2*insulation thickness D i = OD of bare pipe in feet. pipe insulation calculation xls 3 Vacuum Insulation for cryogenic piping and vessels. xls 68 KB 424. Thermobreak® is a leading flexible thermal insulation material made from physically (irradiation) cross-linked closed-cell, polyolefin foam, factory bonded to pure reinforced aluminium foil and available with a pressure sensitive adhesive backing. This came out handy at many calculations which we requires from time to time while doing piping. the structural adequacy of the subject Legibil 8Wc ity evaluated and peydfor , aUe 9305280306 930522 PDR ADOCK 05000390 Signature p A PDR C Microfilm and store calculations in RIMS Service Center. pipe insulation thickness calculation software. How to Measure Pipe for Insulation. † Type and thickness of insulation † Diameter of pipe or surface area of tank † Outdoor or indoor application † Maximum expected wind velocity (if outdoors). r1 show the outside radius of the pipe r2 shows the radius of the Pipe+ insulation. Flexalen 600. R log (3 e 2R / R ) R log (1 3 e 3R / R 2) h o R 3 1 R hi insulation k pipe k 1 + + + T T inside pipe ambient-L Q = 2 R3 [ ] The surface temperature may be computed from the. All Cinicalc calculations are based on the international standards, i. Determining the R-value for tubular insulation is more complex since the outer surface area of the insulation is proportionately greater than the inner (in contact with the pipe) surface area. Basic alowable stresses in tension for metals (Page 157 - 161) from ASME B31. Determine Pipe Heat Loss Find QP in Table 1 (page 2) for the nominal pipe size and insulation thickness based on ΔT. Code of Practice for Thermal Insulation of Pipe Work and Equipment BS 5970 (In the temperature range –100 °C to +870 °C) Method of Specifying Thermal Insulating Materials on Pipes, Ductwork and Equipment BS 5422 (In the temperature range -40 °C to +700 °C) 1. insulation thickness for a typical. 4 Pipe Material 6 inch 1,250 x 6. This pipe thickness calculator calculates required pipe thickness for a process pipe based on ASME B31. 8 codes: minimum wall thicknesses for: - single element pipes - curved elbows. xls 673 KB 7. Jacketing 1. Duct Insulation - Solving Condensation, Heat and Cold Problems Insulation on Ducts must Protect from Condensation, Radiant Heat and Cold. Conclusion: the x-direction heat flux through insulation is one order of magnitude smaller and, within reasonable approximation, dQ loss travels only perpendicular on the x-direction and is constant in any cylindrical cross section. Fiberglass Pipe Insulation is rated to withstand operating temperatures within the range of -20°F to 850°F. d2 = outer insulation diameter [m]. Extent of Pipe Insulation 8. Sample Problem Statement. But before you travel this audacious path, you need to clarify a few things. 600 W/m K Thermal cond of Pipe= 30. Insulation Thickness Calculations. 99 - Contains standard schedules of piping up to 80 Piping Databse - Flanges - $3. 6°C > Td =22. A minimum of 5 feet of perforated drain pipe of 3 inches minimum diameter shall join to and extend from the "T. 3 plastic pipe diameter, minimum wall thickness and pressure design thickness from pipe schedule or user defined diameter and either wall thickness or dimension ratio (SDR or SIDR) (ASME B31. Thermobreak® is a leading flexible thermal insulation material made from physically (irradiation) cross-linked closed-cell, polyolefin foam, factory bonded to pure reinforced aluminium foil and available with a pressure sensitive adhesive backing. THE ECONOMIC THICKNESS OF INSULATION FOR HOT PIPES a 75 mm thick layer of insulation were used (the insulation thickness must be increased as the pipe temperature increases, to ensure a suitable external surface temperature). save Save Pipe Insulation THK Calculation For Later. Miter all joints and seal with adhesive. Heat loss may be caused by radiation, convection, and conduction through the pipe wall and insulation, if any, and through the fluid film adjacent to the pipe wall. Detail information about behind the back calculations is given at the end of this calculator. ISA_Symbols(1). Minimum insulation thickness Rebate $/ft* Minimum insulation thickness Rebate $/ft* 0. This rubber insulation can fit your copper and iron pipes.