DORMA BTS 80 EMB Electromagnetic Hold Open Floor Spring

The BTS80 EMB is an ideal solution in applications where surface applied life safety products cannot be installed or are objectionable due to aesthetics.

Electromagnetic hydraulic hold open feature

The BTS80 EMB Series of floor-concealed door closers provide an electromagnetic hydraulic hold open feature, allowing doors to self-close upon the interruption of electrical current. Once the alarm has been activated or a on a power failure, the BTS 80EMB will close the doors and then perform as a standard floorspring, until the alarm is reset or power restored. The BTS80 EMB includes a selective type hold open with a range of approximately 65° to 175°.

Designed for fire/life safety applications

The BTS80 EMB is specifically designed to be used in fire/life safety applications where the hold open is electrically controlled by a fire alarm contact. The closer is typically placed into the hold open position until a fire alarm condition.

• Fixed Spring Sizes
• Non-handed for single and double-acting doors
• Mechanical backcheck
• Complete with Backcheck
• Max Door Weight 300kg
• EN 4 - Suitable for doors up to 1100mm width
• EN 5 - Suitable for doors up to 1250mm width
• EN 6 - Suitable for doors up to 1400mm width