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Type (lever type) deluge alarm valve:
The deluge valve device is a lever structure with an anti-return function and is a standard product with symbol B. Deluge valve devices are widely used in type systems (open sprinklers on the side pipes of the system), such as deluge systems, water curtain systems and water mist systems. The opening of the deluge valve device is to release the pressure in the diaphragm chamber of the deluge valve and use the pressure on the water supply side to open the valve disc. The pressure release in the diaphragm chamber can be carried out in various ways, namely electrical guidance, wet guidance and dry guidance.
Technical parameters:
< Nominal diameter
< Rated working pressure
< Valve body height
< Flange outer diameter
< Flange screw hole diameter
< Number of screw holes and directness
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