
The HD-85 Single Cylinder Floor Spring for Wood/Aluminium/Glass Door can be adapted to almost any installation. The door closer's compact body allows it to be used in areas where larger closers cannot be used. Its versatility allows for installation in thin slab concrete substructures. It is suitable for virtually any floor covering or threshold application.
FEATURES
● Not suitable for fire doors
● Heavy duty floor spring for double or single action doors
● Power size 2-6
● Height, lateral and length adjustment
● Supplied with accessory pack
● Ideal for outdoor heavy-duty doors
● Mechanical backcheck
SPECIFICATIONS
| Name | ● Single Cylinder Floor Spring for Wood/Aluminium/Glass Door |
| Model | ● HD-85 |
| Maximum opening angle | ● 360° |
| Maximum door weight | ● 320kg |
| Maximum door width | ● 1400mm |
| Hold open | ● 90°/130° |
| Closing force | ● EN2-6 |
| Pressure relief valve | ● Yes |
| Engine cylinder | ● Single |
| Door opening efficiency | ● 80% |
| Position adjustment | ● Front and rear left and right, lifting |





WHY CHOOSE US
GEKRONE floor springs are certified by the world's most difficult American Standard ANSI Grade1 2 million times test.
GEKRONE is the main drafting unit of the standard "Hydraulic Floor Spring".
GEKRONE has 4 national invention patents and dozens of utility model patents related to floor springs. The technical strength is strong.
Our Service
OEM/ODM service:We have a strong R&D team and can provide various designs to meet your needs.Also we can produce the products according to customers' requirements Such as Customized packaging, customized labels.
Delivery service:Fast delivery, if it is an order we have stock, it will take 7 days, if it is an order we don't have stock, it will take 30-45 days.
Quality control and after-sales service:There will be strict product inspection before shipment.If there is a problem, We will provide you with solutions.
FQA
Q: Are you a trading company or a manufacturer?
A: We are a professional manufacturer of door control hardware for many years.
Q: Can you provide samples for quality inspection?
A: Yes, we are willing to provide samples, but the courier cost will be borne by you.
Q: What is the payment method of your factory?
A: T/T is the best.
Q: Where is your factory?
A: Our factory is located in Jiangsu Province, and we also have factories in Zhejiang and Anhui, which are very close to Shanghai. You are warmly welcome to visit our factory at your convenience.