Description

Performance: On the top of valve there are electric signal devices which will output signal that is closed incorrectly to the fire control center, while the valve are closed *5% incorrectly( 1/4 of full-gate). Output signal is stable historically. So this signal butterfly valve is best facility for fire sprinkler system. Model No.: WBSX, XDF Nominal diameter: DN******0 Nominal pressure: PN1.**2.5Mpa Applicable temperature: ≤*0°C Applicable medium: water Electric current, voltage: DC/AC Valve body material: cast iron, cast steel. Valve plate material: ductile cast iron, stainless steel Valve handle material: middle-carbon steel, stainless steel Valve seat material: nitrile rubber