Description
Bermad FP 400E-1M Hydraulically Controlled Deluge Valve
The Bermad Model FP 400E-1M Classic Deluge Valve includes a Manual EasyLock Reset for latching the valve open in response to an electric, hydraulic, pneumatic, or electro-pneumatic signal. The Deluge Valve resets to the closed position only upon local manual reset activation.
Operation
The BERMAD Model FP 400E-1M is suitable for systems that include wet pilot lines with closed fusible plugs (thermal releases), and piping systems with a wide variety of open nozzles.
The typical wet pilot line is installed in a covered area and connected to the valve trim. In the SET position, the line-pressure supplied to the main valve’s control chamber via the priming line and through an EasyLock Manual Reset, is trapped by the EasyLock internal check valve, by the closed wet pilot line, and by a closed Manual Emergency Release.
The trapped pressure holds the main valve’s diaphragm and plug against the valve seat, sealing it drip-tight and keeping the system piping dry. Under FIRE or TEST conditions, water is released from the control chamber through the opened thermal release of the wet pilot line, or the Manual Emergency Release.
he EasyLock prevents line-pressure from entering the control chamber, allowing the main valve to latch open and water to flow into the system piping and to the alarm device.
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