SA-Fire - Model VD/D/EP - Electro-Pneumatic Deluge Valve
From Deluge Valve
The valveMod.VD/D/EPis a deluge valve with electro-pneumatic actuation available in diameter sizes from 2” (DN 50) to 10” (DN 250)
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Product Details
The deluge valves Mod.VD/D/EPare used to control water or foam/water flow in water sprayor foam fire protection systemsmonitored byelectricfire detectionsystem. The control trim is also provided with a connection for an optional pneumatic heat detection line, for the pneumatic activation of the deluge valve. When equipped withthe relevantaccessories (pressure switch, water motor alarm), they canprovide actuation of fire alarms upon system operation.
In normal operating conditionsthe deluge valve electro-pneumaticVD/D/EPis held closed by the water pressure in the control chamber. In fire conditions water is released from the control chamber through the opening of the solenoid valve in the control trim, and the valve latches open under the effect of the water supply pressure.The valve can be manually open through the emergency manual release on the control trim.The trim is also provided with a connection for an optional remote emergency manual release line and another connection for an optional remote air control line.
The deluge valve electro-pneumatic is recommended for thoseapplications where it is preferable to keep the solenoid valve dry, such as those with sea water or foam concentrate.The deluge valve electro-pneumaticMod. VD/D/EPis available in vertical or horizontal configuration. It is designed for external resetting, without opening the valve.The cover plate allows in-line maintenance and field replace of thediaphragmto be performed.
The materialsof construction make itsuitable for beingused withsea water or water foam solution within industrial harsh environments & offshore applications.
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