High-Quality Ground Spring Door Closer Manufacturer in China - Precision Casting, Speed Regulation | Trusted Suppliers & 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
Installation Steps of Floor Spring
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.
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.
Install the floor spring: According to the product manual or installation guide, fix the floor spring in a predetermined position to ensure firm installation.
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.
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.
Frequently Asked Questions
What is the maximum door weight capacity for the Chengda 75 floor spring?
The Chengda 75 floor spring is designed to support a maximum door weight of up to 150 kg, making it suitable for standard to heavy-duty door installations.
What materials are used in the Chengda 75 floor spring?
The floor spring features a high-grade 304 stainless steel cover plate (thickness 1.0mm-1.2mm) for waterproof and rust-proof durability, combined with a robust cast iron movement and hydraulic core.
What types of doors are compatible with this ground spring?
It is highly adaptable and suitable for 8-12mm tempered glass doors, plastic steel doors, and wooden doors, with an applicable maximum door width of 1300mm.
What are the main opening and positioning functions of the door?
The door leaf can open up to a maximum of 135 degrees in one direction, features automatic turning at 90 degrees, and can be positioned firmly at both 90 degrees and 115 degrees.
How reliable is the Chengda floor spring over long-term use?
The product features a high-toughness spring and imported hydraulic oil. It has successfully completed 500,000 opening and closing fatigue tests, ensuring safe, lossless operation without oil leakage.