Google use cookies for serving our ads and handling visitor statistics. From a simplistic standpoint, the best pipe size is obviously the smallest size that will accommodate the application at hand. Only emails and answers are saved in our archive. STEAM PIPE SIZE SELECTION USING HOFFMAN SELECTION TOOL. 0000002113 00000 n 0000023403 00000 n If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. SOLUTION: Since this is a medical office building we will shoot for a velocity of 4000 to 6000 FPM. Using the Hoffman selection program, we get the following solution. Steam is a compressible gas where mass flow capacity of pipe lines depends on steam pressures.

You can target the Engineering ToolBox by using AdWords Managed Placements. Pipe sizing – one pipe counterflow systems a) Mains are sized one size larger than they would be for parallel flow piping. 325 40 In process applications, we use 8000 to 12000 FPM. Optimum can mean 0000004935 00000 n Download Sizing Steam Pipes Chart in pdf-format. North America • Latin America • India • Europe / Middle East / Africa • China • Pacific Rim armstronginternational.com Designs, materials, weights and performance ratings are approximate and subject to change without notice.

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Let’s look at this required data. Let’s assume for a moment that the system operates at 5 PSIG. The column headings 1/4,1/2,1, etc refer tot hepressure drop, in pounds per square inch for 100 feet of pipe or equivalent piping 2. Many programs have an input cell for the velocity required but do not offer any guidance.

Ft. /Lb. �n5= �?� (ϰ�öm���آpݖ`�J���}_��ST bP����6׫e��v��L��ݭ,���Z�fJ���V3�8n˸j��+D,x��O�c�Ý`�ғ�V&=t֍;�-�wY�c�S�g�H�-D�Uլ[,�Z��+~�TJ嚦'����g蠟Z���& ��*. For example, let’s assume the steam heating system is low pressure, which means it is 15 PSIG or less. startxref Avoiding Pump Cavitation in Open Systems Series, How To Develop Cooling Tower Life Cycle Cost Series, Parallel Pumping in Condenser Water Applications Series. Steam line pipe design & calculatin Once the pipe size solution is offered by the program, the engineer will check the pressure drop per 100 feet to make sure it provides the correct pressure to the equipment. F. PARALLEL FLOW SYSTEMS 1. 0000003031 00000 n

0000001782 00000 n We don't collect information from our users. Steam pipes can be sized with the table and diagram below - pressure in bar, velocity in m/s and capacity in kg/h. 0000017754 00000 n 0000011479 00000 n The steam pressure is the expected MINIMUM steam pressure.

0000838888 00000 n Register to have the latest blog sent to your email address. Pipe Sizing Steam and Condensate Return Lines. Steam pipe sizing is easy with today’s sizing programs. 0000009723 00000 n This is a good range to keep pressure drop down as well as minimizing velocity noise in the pipe. 0000006506 00000 n 0000001963 00000 n The engineer selects a 4” steam pipe size with a velocity of 4700 FPM and a pressure drop of 0.7 PSIG per 100 feet. Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse! Pressure drop should always be checked. The engineer is required to make sure that all equipment, including the pipe, can handle the MAXIMUM steam pressure the system will see. 0000778828 00000 n The boiler may have a 15 PSIG pressure relief valve and it is possible that the pressure in the system could rise to almost 15 PSIG before the valve opens. Most 15 PSIG systems do not operate anywhere close to 15 PSIG. Introduction to Steam System Design - Introduction and review of thermodynamic fundamentals. The capacity is simply the maximum flow rate in pounds per hour or PPH. 2.02 PIPE A. 0000001120 00000 n 0000002806 00000 n Please read AddThis Privacy for more information. The answer is a pipe size and a pressure drop per 100 feet of pipe… %PDF-1.3 %���� 0000413471 00000 n

First, heat is conducted from hot steam through the walls and insulation surrounding the pipe to the outer surface. Steam pipe size calculation.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Steam is a compressible gas where mass flow capacity of pipe lines depends on steam pressures. 0000003923 00000 n

0000413374 00000 n Steam velocities of 25 m/s are in general sufficient for most saturated steam applications. 0000722546 00000 n 2, 3/10/09 4 The Owner and Designer are responsible for compliance with the personnel and process qualification requirements of the codes and standards. PROBLEM: What steam pipe size do I need for 4300 PPH of steam at 60 PSIG minimum pressure in a medical office building. By Chad Edmondson (JMP) and Norman Hall (RLD). 0000008886 00000 n When using a sizing program to select steam pipe sizes, the engineer or contractor is asked to fill in the capacity, the steam pressure, and the velocity required. This is normally in a plant where the velocity noise may not be such as issue. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected. Steam pipes can be sized with the table and diagram below - pressure in bar, velocity in m/s and capacity in kg/h.. Sizing Steam Pipes - Imperial units ; Download Sizing Steam Pipes Chart in pdf-format

JMP is excited to announce our new technical HVAC magazine! The Optimum Pipe Size Optimum pipe size denotes the best pipe size.

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