Directional Valve Endurance Test

UL Test:

The pump directional valve is subjected to a 6000 cycle endurance test followed by an external leakage test at 110% of the maximum operating pressure. The valve should not leak..

NFPA Test:

The pump directional valve is subjected to a 5000 cycle endurance test followed by an external leakage test at 110% of the maximum operating pressure. The valve should not leak.

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