多玛 DORMA 地弹簧 BTS80 型号︰ DORMA BTS 80 **︰ 多玛 DORMA 原产地︰ 德国 较少订量︰ 1 件 产品描述 DORMA BTS 80 – Max. door weight: 300 kg – Closing force optionally EN 3, 4, 6 – Non-handed model for RH (ISO 5) and LH (ISO 6) – Closing speed adjustable (1) – Mechanical backcheck, from approx. 80° (2) – Optional adjustable hydraulic hold-open or delayed action, approx. 75°-180° (3) DORMA BTS 80 F – Max. door weight: 300 kg – Closing force optionally EN 4, 5, 6 – Closing speed adjustable (1) – Mechanical backcheck, from approx. 80° (2) – Adjustable latch action (3) DORMA BTS 80 EMB As DORMA BTS 80 F, but additionally with electro-hydraulic hold-open (4) DORMA BTS 80 FLB As DORMA BTS 80 F, with closing function in the event of an alarm. (1) Free-moving door during normal operation (2)