Gravitas Solutions

The DORMA BTS 75 V is a highly adaptable floor spring suitable for all standard single and double action doors with widths up to 1100mm and 120kg door weight. This floor spring is enhanced by its adjustable closing force of EN 1-4 individually regulated by means of an adjustment bolt.

Key Features

• For single and double action doors
• Adjustible spring strength
• Universal application range
• Concealed installation

The BTS 80 FLB is a free swing door closer that allows the user to comfortably move the door without any direct resistance from the door closer. Ideal for any situation where users may experience difficulty in operating doors, the BTS 80 FLB allows ease of access while offering peace of mind, for in the event of a fire alarm or any interruption to the power source, the unit automatically closes the door, allowing a proactive fire barrier to be created.
Hold open device successfully third party tested to BS EN1155
CERTFIRE Approved CF127

Successfully tailored to satisfy the special requirements governing floor springs for double action doors, the BTS 65 also offers a particularly shallow design and thus all the advantages of a reduced installation depth. With two closing ranges and a choice of models, the BTS 65 can fulfil virtually any application requirement while providing all the reliability associated with assured quality from dormakaba.

The DORMA BTS 84 EN4 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 1100mm (W) with a max. 100kg leaf weight.