How to Guide

17
Thermo-Cycling:
Fittings and pipe assembled and immersed into varying temperatures. A constant air pressure of 100 psi will
be applied to the assembly cycling between water reservoirs and ambient air 1000 times as listed below:
Copper, PEX, CPVC
Nominal Tubing Size
Condition
Temperatures
Duration
All
Water immersion at
180°F
2 m
Air immersion at
ambient
2 m
Water immersion at
60°F
2 m
Air immersion at
ambient
2 m
Mechanical Separation:
Fittings and pipe assembled with longitudinal weight below:
Copper, PEX, CPVC
Nominal Tubing Size
Longitudinal Load Lbf
Duration
3/8
80
1 hr
1/2
120
1 hr
3/4
215
1 hr
1
375
1 hr
1-1/4
550
1 hr
1-1/2
785
1 hr
2
1320
1 hr
Hydraulic Shock:
Fitting and pipe assembled subject to water hammer every two seconds as below:
Copper, PEX, CPVC
Nominal Tubing Size
Hydraulic Shock
Pressure PSI
Cycles
All
375
1000
8/6/2014