BTS75V Size 1-4 Floor Spring

Introducing the Dorma BTS75 Floor Springs, designed for versatility and reliability in door control. With an adjustable strength ranging from size 1 to 4, these floor springs are perfect for both single and double action doors when paired with the appropriate accessory pack.

Available options include models with or without a 90-degree hold open feature, accommodating doors weighing up to 120kg and measuring a maximum width of 1100mm. Each unit is rigorously tested to meet BS EN1154 standards and proudly carries the CE Mark.

Key Features:

• Hold Open: Choose between models with or without the hold open function.
• Back Check: Provides added safety by preventing the door from opening too quickly.
• Adjustable Closing Speed: Customize the speed at which your door closes.
• Adjustable Latch Action: Tailor the latch action to your specific needs.

Product Specifications

• Fitting: Concealed, installed directly into the floor.
• 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)
• Delayed Action: No
• CE Marked: Note that products with factory-fitted hold open do not carry a CE mark.
• Non Handed: Suitable for either left or right-hand doors.

Ordering Options:

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