Performance parameters:
b
b
b
b Model
b
b Applicable temperature
b ~ (℃)
b Valve body, valve cover
b Cast iron
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b Valve stem
b Chrome stainless steel
b Valve seat, valve disc
b Bronze
b diaphragm
b nitrile rubber
product description
type~ emergency shut-off valve
is a A valve used to adjust the direction of water supply in a water supply system where fire water and domestic water are connected in parallel. When a fire breaks out, a large amount of water is urgently needed for firefighting. The emergency shut-off valve immediately cuts off domestic water to ensure sufficient firefighting water. When the water pressure for firefighting stops and the water pressure decreases, the valve automatically opens to a normally open state to restore domestic water supply. This valve eliminates the need for a separate fire-fighting water supply network in the system, greatly saving construction costs and water consumption.
900X-25 emergency shut-off valve