靜壓箱、排煙防火閥、止回閥、風閥、風口、散流器系列Smokeproof & Fireproof Damper Check Valve Air Diffuser Series
安裝在風道系統中,工作原理是極易熔合金的溫度控制，利用重力作用和執行機構的作用關閉或開啟閥門,在一定時間內能滿足
耐火穩定性和耐火完整性要求,起排煙或防火作用。
Installed in the ventilation or air-conditioning system, thefire-resisting damper will close or open valves to prevent fireorsmoke, under the control of easily fusible alloy or signalcontroller.
