Purchase Qty. Reference FOB Price
10-99 Pieces US$380.00
100-199 Pieces US$280.00
200+ Pieces US$200.00
Product Description
Product Description forede Alarm Check Valve The wet alarm valve is a one-way valve that only allows water to flow into the sprinkler system in one direction and alarms at a specified flow rate. The wet alarm valve usually equals the water pressure before and after the valve disc (the water passes ...