Model Sequence 1220M and 1220M-3 "3-in-one" Modulating Fire/Smoke Dampers are already engineered to supply high quality containment in fire and smoke circumstances. The addition of volume Command utilizing a modulating actuator eliminates the need and price of the individual Regulate damper. Watch Solution Particulars Never straight away open entirely upon https://heavy-duty-stainless-stee36678.blog-mall.com/37689394/dampers-for-industrial-sector-secrets