Upgrade your door control system with the robust Dormakaba BTS 75 V floor spring (formerly known as Dorma BTS 75 V). Engineered for maximum reliability, this highly adaptable concealed floor closer is the industry standard for both standard and heavy-duty doors.

Designed for universal application, the BTS 75 V floor closer fits DIN-Left, DIN-Right, and double action doors seamlessly. It handles door weights up to 150kg and widths up to 1100mm, providing a constant, temperature-independent closing process thanks to its superior hydraulic efficiency.

Key Technical Specifications

• Closing Force: Continuously adjustable sizes EN 1-4.
• Closing Time: Two independently adjustable vales (175° – 15° and 15° – 0°) for optimal adaptation.
• Mechanical Backcheck: Integrated backcheck activates at 70° to protect walls and doors from violent opening.
• Hold-Open Option: Available with 90° or 105° constant hold-open versions.

Maintenance and Replacement Parts

Need to increase floor clearance or adapt to carpeted floors? We stock a full range of Dorma BTS 75 V replacement spindles and extensions (up to 50mm). Pair your installation with our universal cover plates (available in brushed stainless steel or brass) and 2300 sealing compound for maximum moisture protection in cement boxes.