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High-Quality 75 Ground Spring Door Closer from China Suppliers - Precision Glass Door Spring Factory
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 |
| Delivery period | 15-20 days. |
| 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
1
Determine the installation position: First, determine the installation position of the floor spring, usually at the bottom of the door or on the ground. Ensure that the installation position will not affect the normal opening and closing of the door.
2
Prepare tools and materials: according to the installation requirements of foundation springs, prepare the required installation tools and fixing materials, such as screws, screwdrivers and electric drills.
3
Install the floor spring: according to the product manual or installation guide, fix the floor spring in a predetermined position to ensure firm installation.
4
Adjust the closing speed and strength of the door: according to the need, it may be necessary to adjust the strength of the ground spring to ensure that the closing speed and strength of the door meet the requirements.
5
Test and adjustment: After the installation is completed, conduct the door opening and closing test to ensure that the installation and adjustment of the floor spring meet the expected effect.
⚠️ It should be noted that the installation steps of the floor spring may be different due to the product model and brand, so it is best to refer to the specific installation instructions of the product before installation.
Frequently Asked Questions (FAQ)
What is the maximum door weight capacity for the Chengda 75 floor spring?
The maximum door weight supported by this floor spring is 150 kg.
What types of doors are suitable for this floor spring?
It is suitable for 8-12mm tempered glass doors, plastic steel doors, and wooden doors with an applicable door width of up to 1300mm.
What materials are used in the construction of the Chengda 75 floor spring?
The cover is made of stainless steel (with a thickness of 1.0mm-1.2mm, featuring a waterproof and rust-proof 304 stainless steel panel option), and the movement is made of cast iron with high-quality rust-resistant painting.
How durable is this floor spring and has it been tested?
It has undergone 500,000 opening and closing tests, ensuring that it is safe, durable, and lossless.
What are the main positioning and adjustment functions of the door spring?
The door leaf can open to a maximum of 135 degrees in one direction, turn at 90 degrees, and position at 115 degrees. It also offers two-stage speed regulation for fine adjustment.
What is the typical delivery period for this product?
The standard delivery period for the Chengda 75 floor spring is 15-20 days.