McCalc® Fusion Pressure Calculator
Use McElroy's fusion pressure calculator to quickly find the right fusion pressure for your job. To properly fuse pipe the fusion pressure must be adjusted so the pipe manufacturers recommended interfacial pressure is achieved.
We have several convenient ways to calculate fusion pressure. You can use our online tool below, download the Fusion Pressure Calculator App for your mobile device, or order a sliding calculator.
Wondering how it all works? Learn how to calculate fusion pressure.
McCalc Mobile App
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Learn To Calculate Fusion Pressure
Using a 28 Machine from Chart A (at right) we will determine our gauge pressure.
= 8" IPS
OD of Pipe
DR of Pipe
IFP = 75 PSI
= 30 PSI
= Outside diameter
= Wall thickness
= Dimensional ratio
= Manufacturers recommended interfacial pressure
= Total effective piston area
= Force required to move pipe
Total effective piston area
||High Force Standard
||Medium Force High Velocity
||Low Force Extra High Velocity
Step 1. - Calculating Wall Thickness:
To determine wall thickness we will be using the Example (above).
| = Wall thickness
Now the Example and the formula above we will calculate the wall thickness.
Step 2. - Finding Total Effective Piston Area
Use Chart A (above) to find the TEPA of your machine.
TEPA = 4.710 (we are using the 28 as an example)
Step 3. - Calculating Gauge Pressure
Using the information we have gathered from above.
|(OD - T) x T x PI x IFP
|+ DRAG = Gauge Pressure
Step 4. - Completed Formula
Now using all the information and the formula above we will find the gauge pressure.
|(8.625 - .784) x .784 x 3.1416 x 75
| + 30 PSI =