Dorma BTS 80EMB Floor Spring

This is an electronic hold open unit, onto the Fire Alarm system. Available in 3 different strengths. Please note that this unit has aproximatly 40mm added to the length below to allow for the plug connector.

Dimensions
Length	Height	Depth
341mm	60mm	78mm

Finish: N/A

Strength: EN 4, EN 5, EN 6

24volt DC Electromagnetic Hold Open
Universal Model to Close from 175° Double Action
Handed Model to Close from 180° Single Action
Adjustable Closing Speed
Adjustable Latching Action
Back Check
Hold Open – Electronic
Max Door Weight 300kg

BTS 80 EMB Unit and Foundation Box EN4, EN5 and EN6
(Universal Model): ALL £411.46 + VAT

Phone London: 020 7242 1777 or Essex: 01277 375 040

View the Floor Spring Unit Accessories Page.
Return to the main products page.

Glossary of Terms

Back Check

Hydraulic braking device which cushions the opening of a door i.e. to stop the door hitting a wall.

Delayed Closure

Contains an extra valve, to allow the door to close at a slower pace i.e. for slow moving traffic.

Single Action

Door opens one way only.

Double Action

Door opens both ways.

Hold Open

Door can be held open.

Non Hold Open

Door cannot be held open.

Strength

The unit strength is determined by the door size, weight, external conditions, degree of opening, use and adjustment of unit.

Non Handed

Suitable for either left or right hand doors.

Handed

Either left handed or right handed.

Adjustable Closing Speed

Speed of door closure can be adjusted.

Adjustable Latching Action

Speed of door can be altered for the last stage of door closure.

Able Door Spring Company. Est. 1978