SS304 Double Action Spring Hinge for Swing Door-DDSS038

Made of high-quality SS304 stainless steel, it has excellent corrosion resistance and structural strength. Its core function is to allow the door leaf to open freely in the range of 180 degrees in both directions, and realize automatic reset and closing through the built-in spring device. Compared with the traditional one-way hinge, this Double Action Spring Hinge greatly improves the efficiency of space traffic, and at the same time ensures that the door leaf can be automatically returned after use. As a professional manufacturer, we are committed to providing high-performance door control solutions for commercial and residential projects, ensuring that every piece of Double Action Spring Hinge has undergone strict quality control to meet the installation requirements of various two-way doors. For further information, please contact us.

Product Overview
Product Name	SS304 Double Action Spring Hinge for Swing Door-DDSS038
Product Model	DDSS038 - 6 inch
Size	3" ,  4",  5",  6",  8"
Material	Stainless Steel 201, 304 or 316
Fitting	Flat tip, ball bearing, fix pin, screws
Finish	Satin stainless steel, Polished stainless steel, Polished brass, Chrome-plated(polish chrome plate&satin chrome plate), Antique brass, Antique copper, Matt black,   Physical Vapor Deposition
Color	Silver,Black, Golden, Antique Brass, Antique Copper
Suitable for	Wooden door, Metal door, Steel door , Fire rated door

Packaging & Shipping
MOQ	500 Pieces
Package	One pair/white box or color box or   Blister card in Standard export carton
Sample time	5-7 working days
Production lead time	30-35 days
Shipping Port	Jiangmen , China   / Shenzhen ,   China .

1.product highlights

Bidirectional opening and closing

The most striking feature of this Double Action Spring Hinge is that it supports the two-way 180-degree free opening of the door leaf. Whether you push the door inward or outward, it can be opened smoothly, which greatly facilitates the traffic demand when holding things with both hands, and is especially suitable for restaurants, kitchens, shopping malls and other high-flow areas.

Automatic closing

Built-in precision spring system can provide stable resilience after the door leaf is opened, ensuring the door body to close automatically and smoothly. This self-closing function can effectively prevent the doors from accidentally opening, help to maintain indoor temperature, reduce energy consumption and improve space privacy.

Convenient adjustment

The product design takes into account the different needs in practical use and provides simple spring tension adjustment function. The installer can easily adjust the closing speed and strength of the hinge according to the weight and frequency of use of the door to ensure the best use effect.

sturdy and durable

SS304 stainless steel and 3.0mm thick plate are used to ensure the long-term durability of the product. Precise bearing structure and surface treatment technology enable this Double Action Spring Hinge to withstand high-frequency use and maintain stable performance for a long time.

2.Product features and advantages

Innovative mechanical structure

This Double Action Spring Hint features a unique dual axis design, combined with a high-precision spring system, to achieve bi-directional opening and automatic reset of the door leaf. Its internal structure has been carefully calculated and optimized to ensure stable performance during repeated use, avoiding the problems of stuttering and wear that ordinary hinges are prone to in bidirectional use.

High quality material selection

We use SS304 stainless steel as the main material, which not only has excellent strength and durability, but also superior rust and corrosion resistance. Even in high humidity or corrosive environments, this Double Action Spring Hint can maintain a long service life and significantly reduce maintenance costs.

Precise tension control

Through an innovative tension adjustment system, installers can precisely control the compression of the spring, thereby adjusting the closing speed and force of the door leaf. This design enables the same Double Action Spring Hint to adapt to doors of different weights, greatly enhancing the product's versatility and practicality.

user-friendly design

The product fully considers the convenience of installation and use during the design process. Clear adjustment markings, standardized installation holes, and smooth edge processing make this Double Action Spring Hint not only easy to install, but also safer and more reliable during use, demonstrating an ultimate pursuit of detail.

3.Application scenarios

Restaurant kitchen entrance and exit

Installing this Double Action Spring Hint on the passage door between the restaurant kitchen and dining area can effectively solve the problem of passage for staff holding dishes with both hands. The bi-directional opening and automatic closing characteristics of the door leaf not only ensure the isolation between the kitchen and dining area, but also ensure traffic efficiency, while helping to maintain indoor temperature and control odor diffusion.

Retail store entrance and exit

Installing this Double Action Spring Hint at the entrances and exits of retail locations such as convenience stores and supermarkets can significantly enhance the customer experience. The bidirectional opening function makes entry and exit smoother, while the automatic closing feature effectively prevents the door leaf from being left open for a long time, avoiding energy loss of air conditioning and enhancing the safety of the store.

Hotel internal passage door

Installing this Double Action Spring Hint in the hotel's employee passages and logistics areas not only meets the needs of high-frequency traffic, but also ensures the relative independence of each functional area. Its durable characteristics are particularly suitable for the 24-hour operation of hotels, reducing maintenance frequency and costs.

Isolation doors in medical facilities

Installing this Double Action Spring Hint in examination rooms, pharmacies, and other areas of hospitals and clinics can achieve barrier free access for medical staff when holding objects with both hands. The automatic closure function also helps maintain hygiene isolation in various areas, meeting the high standards of hygiene and safety required by medical environments.

4.Installation and use guide

Preparation before installation

Before installing this Double Action Spring Hinge, it is necessary to carefully check the size and flatness of the door frame and door leaf to ensure that they meet the installation requirements. Prepare supporting installation screws and tools, including screwdriver, measuring ruler and level meter. According to the weight of the door, choose the appropriate installation position, and ensure that the door leaf keeps an appropriate gap with the ground to avoid friction.

Positioning and fixing

Use measuring tools to accurately mark the installation position of hinges, and ensure that multiple Double Action Spring Hinge are horizontally aligned. Fix the hinge on the door leaf first, and then position it to the corresponding position of the door frame as a whole. In the process of fixing, it is necessary to keep the door leaf in a vertical state, and gradually tighten the screws to avoid position deviation caused by one-time tightening.

Debugging and acceptance

After the installation is completed, carry out opening and closing tests for many times to check whether the door leaf runs smoothly. Adjust the spring tension screw as needed to ensure proper closing speed and strength. Finally, conduct a comprehensive inspection to confirm that all components are firmly installed and the door leaf can run smoothly in all positions, and complete the installation and acceptance.

5.Buyer value

Improve Space Utilization Efficiency

Using this Double Action Spring Hinge can significantly enhance the efficiency of space passage and convenience of use. Its bidirectional opening feature eliminates the limitations of traditional single-direction doors, making it particularly suitable for commercial spaces with high foot traffic. This design not only improves the user experience but also indirectly boosts operational efficiency by optimizing space flow, adding practical value to purchasers' projects.

Reduce Overall Costs

The durable design and high-quality materials of this Double Action Spring Hinge ensure long-lasting use, greatly reducing maintenance and replacement frequency. Its self-closing function also helps save energy consumption, minimizing losses from air conditioning or heating. In the long run, these features will bring significant economic benefits to buyers and their clients, achieving a lower total cost of ownership.

Enhance Project Competitiveness

Choosing this high-performance Double Action Spring Hinge can enhance the overall quality and professionalism of a project. Its refined design and reliable functionality demonstrate attention to detail, which helps purchasers establish a differentiated advantage in the market. This professional image allows them to gain more customer recognition and trust, thereby creating more business opportunities.