DORMA BTS80 Floor Spring Size 4 - Hold Open

Heavy duty floor spring
Power size 4
Interior and exterior doors up to 1100mm or 300kg max
Backcheck - Ideal for high traffic doors as it offers resistance when the door is opened with excessive force, preventing damage to doors
Delayed action - Ideal for care homes and hospitals as this feature slows down the closing speed of the door
Dual handed for push or pull side mounting
Hold open floor springs should not be used on fire doors

Specifications

Action: Single/Double
Hold Open Function: Yes
Max Door Weight (kg): 300
Max Door Width (mm): 1100
Option: Hold Open
Power Size: EN 4
Size (mm): 341 x 78 x 60
Type: Floor Spring
Range: BTS75/BTS80
Material: Mild Steel
Pack Quantity: 1

Overview

• DORMA BTS80 Floor Spring Size 4 - Hold Open
• Heavy duty floor spring
• Power size 4
• Interior and exterior doors up to 1100mm or 300kg max
• Backcheck - Ideal for high traffic doors as it offers resistance when the door is opened with excessive force, preventing damage to doors
• Delayed action - Ideal for care homes and hospitals as this feature slows down the closing speed of the door
• Dual handed for push or pull side mounting
• Hold open floor springs should not be used on fire doors