Dorma Floor Springs

Dorma floor springs are concealed door closers that fit underneath the door.
Available with 90 degree hold open and also for double action doors.

Dorma Floor Spring BTS 75V (Mechanism Only)

BTS 75V replacement mechanism only, Successful independent testing to BS EN 1154 CERTIFIRE approved for fire doors CF127 ITT60/MM/IMM240: CE Marked Completely adjustable closing speeds.

From_ £199.00

From_ £238.80

Dorma Floor Spring BTS 75V (Mechanism Only) with 90 Deg Hold Open

BTS 75V replacement mechanism only with 90 Deg hold open, Successful independent testing to BS EN 1154 CERTIFIRE approved for fire doors CF127 ITT60/MM/IMM240: CE Marked Completely adjustable closing speeds.

From_ £199.00

From_ £238.80

Dorma Floor Spring BTS 75V (Kit for double action doors)

Double action door kit, complete kit WITHOUT the closer mechanism

From_ £110.00

From_ £132.00

Dorma Floor Spring BTS 75V (Kit for LH and RH single action doors)

Kit for single action doors, WITHOUT the closer mechanism

From_ £110.00

From_ £132.00

Dorma Floor Spring BTS 80 (Mechanism Only)

EN 3/4/6 : Max door width: 950mm (EN 3) 1100mm (EN 4) 1400mm (EN 6) Max door weight: 300kg: 2 valve control of closing speed :Fixed backcheck :Adjustable sweep speed : Delayed action : Adjustable hold-open Successful independent testing to BS EN 1154

From_ £369.99

From_ £443.99

Dorma Floor Spring BTS 80 Double Action Kit Finish - Stainless Steel

Double action door kit, complete kit WITHOUT the closer mechanism

From_ £125.00

From_ £150.00

Dorma Floor Spring BTS 80 Single Action Kit Finish - Stainless Steel

Kit for single action doors, WITHOUT the closer mechanism

From_ £115.00

From_ £138.00

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