Description:
The HD Floorspring is a heavy-duty door control solution designed to support doors weighing up to 300kg. With power adjustable sizes 3–6, it provides maximum flexibility to suit a wide variety of door applications. Featuring adjustable hold open (HO) and delayed action (DA) functions, this floorspring ensures smooth, controlled, and safe door operation in high-traffic environments. Constructed from premium materials and finished in Satin Stainless Steel, it delivers both durability and a sleek, modern appearance. Ideal for commercial, public, and industrial buildings, this floorspring combines strength, performance, and style, making it a reliable choice for heavy doors requiring precision control and long-lasting functionality.
The HD Floorspring is a heavy-duty door control solution designed to support doors weighing up to 300kg. With power adjustable sizes 3–6, it provides maximum flexibility to suit a wide variety of door applications. Featuring adjustable hold open (HO) and delayed action (DA) functions, this floorspring ensures smooth, controlled, and safe door operation in high-traffic environments. Constructed from premium materials and finished in Satin Stainless Steel, it delivers both durability and a sleek, modern appearance. Ideal for commercial, public, and industrial buildings, this floorspring combines strength, performance, and style, making it a reliable choice for heavy doors requiring precision control and long-lasting functionality.
The Lockwood ST8011SSS double action floor closer has been specifically designed to meet the exacting requirements of double or single action pivoted doors with a door leaf weight up to 300kgs. Innovative design enables onsite flexibility over a wide range of applications. Designed and manufactured to world class standards which enables the highest possible quality, efficient and reliable performance. Multi functional designs offer the specifier, stockist or the installer outstanding versatility and low inventory levels.
Standard Features
Power adjustment
Turning the screw valve the power can be adjusted from EN size 3-6; closing force ranges from 24Nm to 60Nm
Adjustable Closing Speed
Closing 175deg - 15deg,
Latching speed 15deg - 0deg
Hold Open
By setting the HO valve the door can be set to hold open the door at any angle from 85deg to 170deg opening, to release door manually pull door closed.
Delayed Action
Adjusting this valve controls the closing time of the door between 170deg - 85deg
Back Check
The integrated mechanical back check
function offers optimum protection for doors and walls. With these standard features built into one product this means there is only one model to specify and stock to cover a wide range of applications.
Construction
Standard Features
Power adjustment
Turning the screw valve the power can be adjusted from EN size 3-6; closing force ranges from 24Nm to 60Nm
Adjustable Closing Speed
Closing 175deg - 15deg,
Latching speed 15deg - 0deg
Hold Open
By setting the HO valve the door can be set to hold open the door at any angle from 85deg to 170deg opening, to release door manually pull door closed.
Delayed Action
Adjusting this valve controls the closing time of the door between 170deg - 85deg
Back Check
The integrated mechanical back check
function offers optimum protection for doors and walls. With these standard features built into one product this means there is only one model to specify and stock to cover a wide range of applications.
Construction
- Cast iron body
- Three thermodynamic valves for consistent performance
- Built in pressure relief valve
- Cement box hot zinc plated steel
- Universal cover plate
| Model No | ST8011SSS |
|---|---|
| EAN | 9311847122529 |