靜壓箱、排煙防火閥、止回閥、風(fēng)閥、風(fēng)口、散流器系列Smokeproof & Fireproof Damper Check Valve Air Diffuser Series
安裝在風(fēng)道系統(tǒng)中,工作原理是極易熔合金的溫度控制，利用重力作用和執(zhí)行機(jī)構(gòu)的作用關(guān)閉或開啟閥門,在一定時(shí)間內(nèi)能滿足
耐火穩(wěn)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.