Dorma BTS 80 EMB Electromagnetic Hold Open Floor Spring
The Dorma BTS 8o EMB Floor spring is for self-closing doors, with electromagnetic hydraulic hold open allows the doors to be held open and released if the fire alarm should sound. With the correct selection of accessories it enables use in a variety of applications including; single or double action, centre pivoted or off-set pivoted doors.
CE Marked & third party tested to BS EN1155
CERTIFIRE Approved CF127
Call 0203 011 1066 or email info@woodwooddoorcontrols.co.uk for price and availability.
Features:
- Electromagnetc hydraulic hold open
- Selectable hold open between 75 and 180 degrees
- Fixed spring stregth, Power size EN 4/5/6
- Max door width: 1100mm (EN 4) 1250mm (EN 5) 1400mm (EN 6)
- Max door weight: 300kg
- 2 valve control of closing speed
- Fixed backcheck
- Adjustable sweep speed
- Successful independent testing to BS EN 1154
- Suitable for fire doors CERTFIRE approved cert no. 128.
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