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01
High-Quality Ground Spring Door Closer with Two-Stage Speed Regulation - China 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 |
| 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 (Finish) | 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
01
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.
02
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.
03
Install the floor spring
According to the product manual or installation guide, fix the floor spring in a predetermined position to ensure firm installation.
04
Adjust the closing speed and strength
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.
05
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.
Please note: 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)
1. What is the maximum door weight and width that the Chengda 75 floor spring can support?
The Chengda 75 floor spring can support a maximum door weight of up to 150 kg and is applicable for door widths up to 1300mm.
2. What types of doors are compatible with this floor spring?
It is widely applicable for 8-12mm tempered glass doors, plastic steel doors, and wooden doors.
3. How durable is the Chengda 75 floor spring?
The floor spring is designed for high durability and has successfully passed 500,000 opening and closing tests, ensuring safe, lossless, and long-term operation.
4. Can I adjust the door closing speed and shaft core height?
Yes. It features a two-stage speed regulation valve for fine speed adjustments. Additionally, there are adjusting screws near the ground spring to adjust the height of the shaft core.
5. What are the positioning and opening angles of the door leaf?
The door leaf can open up to a maximum of 135 degrees in one direction, turn at 90 degrees, and features dual positioning at 90 degrees and 135 degrees.
6. What materials are used to prevent rust and wear?
The cover plate is made of 1.0mm-1.2mm thick 304 stainless steel, which is waterproof and rust-proof. The movement is cast iron with automatic protective painting to resist scratches, rust, and surface oxidation.