D&D FS-S9300 Universal Floor Spring | Similar to Dorma BTS 84
40mm shallow design floor spring for double/single action doors. Supports 60-250kg, adjustable closing speed, suitable for steel, glass & heavy doors.
Universal floor spring, similar to Dorma BTS 84
FS-S9300 series
Similar to Dorma BTS 84 floor spring
The FS-S9300 floor spring is designed for double action doors, but it is also no problem for single action doors. The FS-S9300 floor spring has an overall depth of 40 mm only to be easily suited individual requirements.
The specially shallow design of FS-S9300 floor spring allows it to be installed very effectively in the floor, the floor spring can meet almost any requirement with assured quality standards.
Features
- For steel doors, glass doors and heavy doors
- Fixed or interchangeable spindle
- Suitable for single and double action doors
- 100% Made in Taiwan with reliable quality
- Non-handed
- Two separated valves to adjust closing speed (15 ~ 130 degree) and latching speed (0~15 degree)
- Thinner body thickness of 40 mm for a wide range of applications
- To avoid oil leakage, the speed adjustment valves cannot be backed out of floor spring while speed adjustment.
- High grade cast iron mechanism body is housed within a galvanized steel loose box in zinc protected and painted for corrosion resistance.
- Internal mechanism components utilize heat treated high alloy steels and bearing for optimum efficiency.
- Stable hydraulic fluid suits for any climate and provides constant lubrication.
- Closer mechanism is totally immersed in hydraulic fluid.
Specification
- With fixed spindle
- Optional interchangeable spindle from 5 to 50mm
- Mechanical Hold-open: 90 degree, 105 degree or no hold-open
- Maximum opening angle: 130 degree
- Max. Door Weight for different models: 60 kgs, 70 kgs, 90 kgs, 105 kgs, 120 kgs, 150 kgs and 250 kgs
- Door width: 750~1,400 mm
- Cement case: L306 x W108 x H40 mm
- Cover plate: L324 x W130 mm
- Adjustment in cement case: L7 x W10 x H4 mm
- Optional standard arm and offset arm
- Optional back check function
- Optional adjustable top pivot
- With satin stainless steel cover (polished one optional)
- For single and double action doors
Packing details
- 1 set in 1 box
Applications
- Suitable for metal doors, timber doors and glass doors
- For heavy traffic doors
- E-catalogue Download
Floor Spring
Our floor hinges mount in the floor directly under the pivot point and are completely concealed. The floor spring can be set to return the door to a closed...
Download- Related Products
Concealed floor spring for light traffic doors
FS-C9100 series
The FS-C9100 floor spring is designed for light traffic door. The compact design and low profile...
Details
Floor Spring for double swing door
FS-T9200 series
The FS-T9200 floor spring has a wide range of applications, no matter light or heavy traffic...
Details
Floor Spring, similar to New Star 200
FS-S9400 series
The FS-S9400 floor spring applies for single and double action doors, is the most popular Japanese...
Details
Floor hinge for max. 300 kg door
FS-S9500 series
The FS-S9500 floor spring is designed for heavy doors, supporting a maximum door weight of up to 300 kg. Additionally,...
Details
Free swing mini pivot
FS-T0006 series
The FS-T0006 is a free heavy Pivot Hinge without spring. The mini pivot can work with steel...
Details
Popular Products
How Can You Install Floor Springs in Shallow Floor Depths Without Compromising Door Performance?
Our FS-S9300 floor spring solves your shallow floor installation challenges with just 40mm body thickness while supporting doors up to 250kg. The dual-valve adjustment system gives you precise control over closing and latching speeds, ensuring code compliance and smooth operation in high-traffic commercial projects. Contact us for technical specifications and installation guidance tailored to your building requirements.
Built with heat-treated high alloy steels and precision bearings, the internal mechanism is totally immersed in stable hydraulic fluid suitable for any climate, providing constant lubrication and optimum efficiency. The 306mm x 108mm x 40mm cement case dimension and included satin stainless steel cover plate (polished option available) make installation straightforward while maintaining aesthetic appeal. Optional features include back check function and adjustable top pivot for enhanced door control. Ideal for heavy traffic applications in commercial buildings, retail spaces, hotels, and public facilities, this floor spring meets assured quality standards with 100% Made in Taiwan reliability, making it the perfect alternative to Dorma BTS 84 specifications.