Power Unit Dump Valve Test

UL Test:

As per NFPA 1936..

NFPA Test:

The power unit is connected to a tool and the hose is pressurized. The pressure is then released and the supply hose to the tool is disconnected. The hose is then pressurized again and then released. The supply hose is reconnected to the tool and the tool shall operate normally. The disconnection and
reconnection of the hose shall determine pass/fail.

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