Hot-selling Single Cylinder Floor Spring
Model:HD-208Max Door Weight:≤100kg
Max Door Width:800~1000mm
- Product Details
- PRODUCTS ADVANTAGE
Anhui Haida Door Control Equipment Co., Ltd. is one of the most experienced manufacturers and suppliers of hot-selling single cylinder floor spring in China. With abundant experience, we warmly welcome you to wholesale bulk high quality products in stock here and get free sample from our factory. Customized orders are welcome.

FEATURES
Closing Moment and Closing Speed: The force generated by a door closing device that acts upon during the closing operation. It helps to adjust closing force according to width at a weight of the door
Adjustable Closing Speed: By turning the Valve Screw the flow of Liquid can be altered for adjustment of Closing speed.
Latching Speed: A speed control operable to increase the closing speed and thus the safe closing of the door, for example, to overcome door seals, door locks and high air pressure.
Continuously Adjustable Latching speed ensures perfect latching of all kinds of locks.
Latching speed valve: By turning the Valve Screw the flow of Liquid can be further altered for adjustment of Latching speed.
SPECIFICATIONS
FLOOR SPRING TYPE | ●HD-208 |
APPLICABLE STANDARD | ●EN1154 & ISO9001 |
CLOSING FORCE | ●EN3 |
MAXIMUM OPENING ANGLE | ●116° |
MAXIMUM DOOR WIDTH | ●800-1000mm |
MAXIMUM DOOR WEIGHT | ●100kg |
HOLD OPEN | ●90° |
SPEED CONTROL | ●Two section speed control |
LATCHING SPEED ADJUSTMENT | ●0-20° |
CLOSING SPEED ADJUSTMENT | ●20°-90° |
ENGINE CYLINDER | ●Single |
DIMENSIONS | ●268*113*48mm |
TESTED TO | ●500,000cycles |



Why Choose Us
1. The world's biggest floor spring manufacturer in China.Daily production over 15,000PCS
2. The factory has three production bases located in ZHEJIANG, ANHUI, JIANGSU three provinces. The area covers 72,000 square meters.
3. Over 33 years of producing experience. Ripe production process.
4. Impeccable testing system covered from raw material, components,semi-finished products.
5. HEINDA has its own national test laboratory (Intertek Satellite Lab)to make sure the growth of our company.
FAQ
Q: What is the minimum quantity?
No MOQ,We can sell even 1PCS
Q: How long is the delivery time?
10 to 30 days, depending on your order quantity
Q: Can you send samples before placing the order?
Yes, sure. we can provide samples for quality checking.
Q: Do you provide OEM service?
Yes, we do
Q: How about the payment terms?
T/T,D/P,L/C,Paypal,Western union and cash all acceptable.
Q: How about your quality warranty?
When the products got problem during our warranty period, we will provide
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