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| The system should be pressure tested before concealing the pipe line to check any leakage at joints.. |
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Temperature Pressure De-Rating Factor : The operating pressure of PVC pipes will be reduced as the operating temperature increases above 23°C (73° F). To calculate this reduction, multiply the operating pressure with the correction factor shown below at a operating temperature of system :
Operating Temp °C (F) |
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PVC |
100% |
90% |
75% |
62% |
50% |
40% |
30% |
22% |
Dimension and water pressure rating at 23°C of Plain Pipes as per ASTM D 1785 compound grade equivalent to PVC 1120/2120
Click here to view Water pressure rating |
