SKU: 328708
DORMA BTS80 Floor Spring Size 4 - Hold Open
3.0
(3)
27 in stock
Heavy duty floor spring
Buy in bulk & save up to 5%
About this product
- Accessory packs for the DORMA BTS75 and BTS85 Floor Springs
- All pivots, fixings and cover plates for double action doors
- Finish is the floor cover plate finish
- All pivots, fixings and cover plates for single or double action doors
- Finish is the floor cover plate finish
Specification & Documentation
Action
Double Action
Finish
Satin Stainless Steel
Option
To suit BTS80
Type
Accessory Pack
Range
BTS75/BTS80
Material
Mild Steel
About this product
- Accessory packs for the DORMA BTS75 and BTS85 Floor Springs
- All pivots, fixings and cover plates for double action doors
- Finish is the floor cover plate finish
- All pivots, fixings and cover plates for single or double action doors
- Finish is the floor cover plate finish
Specification & Documentation
Action
Double Action
Finish
Satin Stainless Steel
Option
To suit BTS80
Type
Accessory Pack
Range
BTS75/BTS80
Material
Mild Steel
About this product
- 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
Specification & Documentation
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
About this product
- 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
Specification & Documentation
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
About this product
- Accessory packs for the DORMA BTS75 and BTS85 Floor Springs
- All pivots, fixings and cover plates for single action doors
- Finish is the floor cover plate finish
Specification & Documentation
Action
Single Action
Finish
Satin Stainless Steel
Option
To suit BTS80
Type
Accessory Pack
Range
BTS75/BTS80
Material
Mild Steel
About this product
- Accessory packs for the DORMA BTS75 and BTS85 Floor Springs
- All pivots, fixings and cover plates for single action doors
- Finish is the floor cover plate finish
Specification & Documentation
Action
Single Action
Finish
Satin Stainless Steel
Option
To suit BTS80
Type
Accessory Pack
Range
BTS75/BTS80
Material
Mild Steel
About this product
- A range of interchangeable spindles to provide floor clearance in a variety of situations (doors with thresholds, carpeted floors, etc.)
- Standard DORMA spindle on BTS75 and BTS80 will give 8mm clearance
- Spindles are shown in 'Extended By' sizes - therefore a 5mm extension will give 13mm clearance (8mm 5mm)
Specification & Documentation
Action
Single/Double
Size (mm)
10
Type
Spindle Extension
Range
BTS75/BTS80
Material
Mild Steel
Documents
About this product
- A range of interchangeable spindles to provide floor clearance in a variety of situations (doors with thresholds, carpeted floors, etc.)
- Standard DORMA spindle on BTS75 and BTS80 will give 8mm clearance
- Spindles are shown in 'Extended By' sizes - therefore a 5mm extension will give 13mm clearance (8mm 5mm)
Specification & Documentation
Action
Single/Double
Size (mm)
10
Type
Spindle Extension
Range
BTS75/BTS80
Material
Mild Steel
Documents
About this product
- A range of interchangeable spindles to provide floor clearance in a variety of situations (doors with thresholds, carpeted floors, etc.)
- Standard DORMA spindle on BTS75 and BTS80 will give 8mm clearance
- Spindles are shown in 'Extended By' sizes - therefore a 5mm extension will give 13mm clearance (8mm 5mm)
Specification & Documentation
Action
Single/Double
Size (mm)
7.5
Type
Spindle Extension
Range
BTS75/BTS80
Material
Mild Steel
Documents
About this product
- A range of interchangeable spindles to provide floor clearance in a variety of situations (doors with thresholds, carpeted floors, etc.)
- Standard DORMA spindle on BTS75 and BTS80 will give 8mm clearance
- Spindles are shown in 'Extended By' sizes - therefore a 5mm extension will give 13mm clearance (8mm 5mm)
Specification & Documentation
Action
Single/Double
Size (mm)
7.5
Type
Spindle Extension
Range
BTS75/BTS80
Material
Mild Steel
Documents
About this product
- Accessory packs for the DORMA BTS75 and BTS85 Floor Springs
- All pivots, fixings and cover plates for single action doors
- Finish is the floor cover plate finish
Specification & Documentation
Action
Single Action
Finish
Polished Brass
Option
To suit BTS80
Type
Accessory Pack
Range
BTS75/BTS80
Material
Mild Steel
About this product
- Accessory packs for the DORMA BTS75 and BTS85 Floor Springs
- All pivots, fixings and cover plates for single action doors
- Finish is the floor cover plate finish
Specification & Documentation
Action
Single Action
Finish
Polished Brass
Option
To suit BTS80
Type
Accessory Pack
Range
BTS75/BTS80
Material
Mild Steel
About this product
- 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
About this product
- 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
Specification & Documentation
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
Reviews
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These reviews are verified by an independent third party for authenticity.
Dziedzic - 5 years ago
Great floor spring mechanism
After fitting this Dorma spring our client was more than happy with the finished operation of this device.
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