HA-DCFA type gas emergency cut-off solenoid valve is a safety emergency cut-off device for gas pipelines. It can be connected to a gas leak alarm system or to fire control and other intelligent alarm control terminal modules, etc., to achieve automatic or manual emergency shut-off of the gas source on site or remotely to ensure gas safety. The valve will close automatically when harmful strong vibration occurs. Valve opening must be manually intervened and manually opened to meet safety management specifications and meet the characteristics of accident handling.
Applicable gas: natural gas; petroleum liquefied gas; artificial gas, etc.
Valve closing method: DC pulse drive / manual
No corrosive gas
Driving voltage: DC9V ～ DC12V. (Pulse)
Body material: brass alloy (HPb59-1)
Drive current: <2A (pulse)
Sealing material: NBR rubber
Valve closing time: less than 1 second
Working environment temperature: -10 ℃ ～ ＋ 50 ℃
Maximum working pressure: 5kPa
Explosion-proof mark: ExmⅡT6
Connection method: G1 / 2 ”(DN15A) / G3 / 4” (DN20A)
Outlet length: 0.4 meters
Valve opening mode: manual reset
Gas solenoid valve installation diagram