DORMAKABA BTS75V Floor Spring Door Closer

The dormakaba BTS75V (formerly Dorma) is a highly adaptable, universal floor spring door closer designed for both single and double-action doors. Suitable for door widths up to 1100mm and leaf weights up to 120kg, this concealed floor spring is a versatile choice for a wide range of applications.

This non-hold open model features an adjustable spring strength (size EN 1 to 4), allowing the closing force to be individually regulated to suit your specific door requirements. It also incorporates a mechanical backcheck to protect the door and surrounding walls from damage caused by forceful opening.

Designed for concealed installation, the BTS75V provides a clean, unobtrusive aesthetic while remaining virtually maintenance-free. It is fire-tested for up to 1 hour on timber doors and up to 4 hours on metal doors, making it a reliable and safe choice for commercial and residential environments.

Technical Specifications

• Brand: dormakaba
• Manufacturer Reference: BTS75V
• Strength Size: EN 1 to 4 (adjustable)
• Max Door Width: 1100mm
• Max Door Weight: 120kg
• Fire Tested: 1 Hour Timber & 4 Hours Metal
• Handing: Reversible
• Hold Open: No
• Adjustable Latch Action: Yes
• Backcheck: Yes
• Dimensions: 285mm (L) x 82mm (W) x 50mm (H/D)
• Weight: 3.26kg

Key Features

• Universal Application: Suitable for single or double-action doors, depending on the accessories used.
• Adjustable Closing Force: Spring strength can be easily regulated to ensure smooth and reliable closing.
• Integrated Backcheck: Helps prevent damage to the door and wall by cushioning violent opening.
• Concealed Design: Installed flush with the floor for a sleek, minimalist appearance.
• Low Maintenance: Virtually maintenance-free, requiring only routine dusting and cleaning.
• Fire Rated: Certified for use on 1-hour timber and 4-hour metal fire doors.