The DORMA BTS 84 EN2 floor spring is a double action, compact and resistant hydraulic spring. Designed specially for the aluminium and toughened glass door industries. Includes cement box.

The BTS 84 has many of the features of the other DORMA BTS closers with the addition of reduced depth with an array of complimentary accessories.

This model is hold-open at 90¡.

No mechanical backcheck.

Suitable for installation on doors up to 850mm (W) with a max. 100kg leaf weight.

Extended spindles - Refer FAQ