China Suppliers Factory 75 Ground Spring Door Closer with High-Quality Shaft Head and Two-Stage Speed Regulation
Parameters
| Product brand | Chengda |
| Product name | 75 floor spring |
| Maximum door weight | 150 kg |
| Cover material | stainless steel |
| Movement material | cast iron |
| Scope of application | 8-12 tempered glass, plastic steel doors and wooden doors. |
| Main functions | the door leaf can be opened at a maximum of 135 degrees in one direction, turned at 90 degrees and positioned at 115 degrees. |
| Axle heads can be selected | Domar head, Crown head, large square head and thin square head. |
| Product features | After 500,000 opening and closing tests, it is safe and lossless. |
| Thickness of cover plate | 1.0mm-1.2mm |
| Size of cover plate | 358*105*60mm |
| Panel treatment | bright, brushed, matte black, gold |
| Door positioning | 90 degrees and 135 degrees positioning. |
| Delivery period | 15-20 days. |
| Applicable door width | 1300mm. |
| Framed door fittings | optional |
| Trademark | Customizable |
| 304 stainless steel panel | waterproof and rust-proof, exquisite workmanship, thickened panel, beautiful and durable. |
| Two-stage adjustment | two-speed adjustment, the ground spring adopts two-stage speed regulation, and the regulating valve is suitable for fine adjustment. |
| High-toughness spring | The fatigue strength of the spring is improved by various tests to avoid compression deformation or even fracture. |
| Adjustable position of shaft core | there are adjusting screws near the ground spring to adjust the height of the shaft core. |
| High-quality movement painting | automatic painting, uniform distribution, rust resistance and scratch resistance, and prevention of surface oxidation. |
| Movement | hydraulic movement, imported hydraulic oil, smooth door opening, no oil leakage. |
| Panel treatment | the panel design is chamfered, which is beautiful, waterproof and dustproof, and is not easy to deform. |
Product Description
The floor spring is a device for the automatic door closing system, which is usually installed at the bottom of the door or on the ground. It controls the closing speed and strength of the door through the force of the spring, thus increasing the safety and convenience of the door. The floor spring can be applied to all kinds of doors, including wooden doors, metal doors and glass doors. Its design can be adjusted according to different requirements to meet the size and weight requirements of different doors. Ground spring is widely used in commercial buildings, offices and public places, and is an important device to ensure the safety and convenience of doors. When installing the floor spring, it is necessary to select the appropriate model according to the weight and size of the door, and ensure that the installation is firm and the adjustment is appropriate to achieve the best closing effect.
Installation steps of floor spring
Frequently Asked Questions
What is the maximum door weight the Chengda 75 floor spring can support?
The Chengda 75 floor spring is designed to support a maximum door weight of up to 150 kg, making it suitable for heavy-duty commercial and residential doors.
What types of doors are compatible with this floor spring?
It is highly versatile and compatible with 8-12mm tempered glass doors, plastic steel doors, and standard wooden doors.
How durable is the Chengda 75 floor spring?
The product has passed 500,000 opening and closing cycles in durability testing, ensuring long-term safety, reliable performance, and lossless operation.
Does this floor spring offer adjustable closing speeds?
Yes, it features a two-stage speed adjustment system. The regulating valve allows for fine-tuning of the door closing speed to ensure smooth and controlled operation.
What is the standard delivery period for orders?
The standard delivery period for the Chengda 75 floor spring is 15 to 20 days.