BTS75V Size 1-4 Floor Spring

Product Information

The Dorma BTS75 Floor Springs are designed for versatility and reliability, featuring an adjustable strength size of 1-4. These springs can be utilized on both single and double action doors when paired with the appropriate accessory pack.

Available with or without a 90-degree hold open feature, these floor springs accommodate doors weighing up to 120kg and measuring a maximum width of 1100mm. They are rigorously tested to meet BS EN1154 standards and are CE Marked for quality assurance.

Product Specification

• Fitting: Concealed - Installed into the floor.
• Tested to: BS EN1154.
• Height: 50mm
• Width: 82mm
• Length: 285mm
• Maximum Door Weight: 120kg
• Maximum Door Width: 1100mm
• Strength: Adjustable Size 1-4
• Spindle: Yes - 15mm (not including 3mm collar).
• Adjustable Closing Speed: Yes.
• Adjustable Latch Action: Yes.
• Delayed Action: No.
• Backcheck: Yes.
• Hold Open: Available without hold open or with 90-degree hold open (note: hold open model is not suitable for use on fire doors).
• CE Marked: (Products with factory-fitted hold open do not carry a CE mark).
• Non Handed.

Ordering Options

• BTS75VSA: Single Action Accessory Pack.
• BTS75VDA: Double Action Accessory Pack.