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Page Title:
Table IV. List of Defects for Preparation for Delivery |
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|  MIL-V-18318B
TABLE IV
LIST OF DEFECTS FOR PREPARATION FOR DELIVERY
4.7.4
Outlet pressure - The valve shall be preset with an outlet pressure
in the 400 psi pressure range. A pressure of 1800 psi shall be applied to the valve inlet
and a flow of 150 liters per minute shall be maintained through the valve for a period of
30 seconds. The flow shall then be stopped on the outlet side of the valve and the pressure
in the outlet side of the valve shall be noted. The above test procedure shall be repeated
with the valve outlet pressure preset in the 70 psi pressure range. The valve shall pass
the requirements specified in 3.7.3.
For qualification inspection, tests shall be conducted as
specified in 4,6.3.
4.7.5
P r e s s u r e relief - A pressure of 1800 psi shall be applied to the
inlet of the pressure regulating valve. An increasing pressure shall then be applied to
the outlet of the valve until the relief valve opens. The relief valve opening pressure
shall be noted. The valve outlet pressure shall then be decreased until the relief valve
closes. The relief valve closing pressure shall be noted. The valve shall pass the
requirements specified in 3.7.4. The valve shall then be subjected to and pass the leakage
test.
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