TM 55-1520-240-23-6
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TEST PRESSURE REDUCING VALVE (AVIM)
(Continued)
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INTEGRITY PRESSURE TEST
1.
Connect test setup No. 1 to INLET port (1) of
valve (2).
2.
Apply pressure to INLET port (1) until valve (2)
is free of air.
3.
Reduce pressure at INLET port (1) to 0 psi.
4.
Install pressure plugs in OUTLET port (3) and
RETURN port (4).
5.
Apply 4500 psi pressure to INLET port (1).
Maintain pressure for 2 minutes. Check valve
(2). There shall be no external leaks.
6.
Reduce pressure at port (1) to 0 psi.
7.
Disconnect test setup from port (1).
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