280 Degree Fire Valve

280 degrees fireproof valve is used on the smoke exhaust system pipeline, usually open, when fire occurs smoke exhaust, when the smoke gas temperature reaches 280 degrees, the fireproof valve is closed, the interlocking fan is closed.
280 fire-proof valve should be open regularly, also called high temperature fire-proof valve, generally installed in a high temperature environment. 280 fire-proof valve should be open regularly, also called high temperature fire-proof valve, generally installed in a high temperature environment.Ventilation Pipelinetɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n280 kɔfɛAlloy ye gamLɔ̈ɔ̈m, valve ye tɔ̈ɔ̈u, ka lëu bï ya luui24V electrical signal control. Ne 280Valve anti-smokingA dhil tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u280 waatiAlloy ye gamValve ye cɔl melt valve ye cɔl double action valve.