Single Convoluted SP2008 Dunlop Air Spring 4.5×1 AIRSUSTECH Air Bellow Bag

OEM NO.

Specifications and Detailed Technical Parameters:AIRSUSTECH 1B4.5×1

Operation mode: single action

Stroke length: 40 mm
Stomatal size: G3/8
Nominal diameter: 4-1/2"
Operation mode: single action
Working pressure: 0 ... 8 bar
Working temperature: -30 ... 50°C
Stroke length: 80 mm
Theoretical power: 5750 N
Certification-REACH: available on request
Certification-RoHS compliant: available on request

Size-Diameter: 125.0 mm
Size-Length: 65.0 mm
Size-weight: 0.950 kg
Size-Unit of Measurement: EA

The related picture of 4.5×1

Production air spring steps

1. Rubber mixing: sports and rubber processing

2. Making rubber bellows: usually one layer of rubber inside, two layers of cord in the middle, and one layer of rubber on the outside. Then connect them together by fixing the mold.

3. Use molds to make other molding accessories, such as plastic parts, iron seats, aluminum seats, iron plates and other hardware accessories

4. Bellows and other accessories are mechanically assembled to make air springs.

5. Air tightness test: Fill the produced air spring with air every time, and then put it into water to test whether it is bubbling and leaking.

6. Quality monitoring: blasting test, fatigue test. The blasting pressure of the air spring in the GUOMAT factory is as high as 30 atmospheres, and the fatigue resistance reaches 3 million times, reaching international standards.

7. Packaging and transportation: Qualified products are usually packaged in carton boxes. Some special solid wooden boxes are required, and others are labelled and packaged according to customer requirements.

Guangzhou Guomat Air Spring Co., Ltd. is located in Guangzhou, about 15min’s drive from Baiyun Airport. Our mainly products are air spring, rubber bellows, air suspension spring, air suspension compressor and refitted suspension system. They are widely used in bus, truck, cabin, vehicles’ seat, luxurious car and industrial machine field.

AIRSUSTECH is another brand of Guangzhou Guomat Air Spring Co., Ltd. 

AIRSUSTECH is focus on industrial air spring.

GUOMAT Factory gate：

Established in 2008, Our company covers 20,000㎡ and is located in Taihe Town Baiyun District. With the rapid development of our company, we are equipped with modernized workshop and advanced rubber air springs equipments now. We are the first company who started air spring business and has become one of the largest air spring manufacturing bases in China.

In 2017, we launched a collaboration with High Tech of US customers to customize the products of our customers and the logo of our customers. Every year, there are about 10,000 orders. In continuous cooperation, the products meet the international inspection standard ISO/TS16949:2009, and the customers are very satisfied with the products produced. This is our high recognition from American customers and also gives us Great motivation.

In 2018, we started cooperation with German GmbH, mainly industrial air springs, which are suitable for industrial equipment. We have successfully developed and produced the natural air-seal of the skin to reach the 700mm flanged air spring, the customer's annual demand is a few hundred.

With the development of business and demand for customers, our company introduced business with TomLog Corporation in 2010, our strategic cooperative partner in Taiwan. Then we developed air compressor program and air spring related business, in 2015, America Goodyear Corporation met with the transfer of shares in the North American plant, our company was granted with sale agent for air springs in China, providing more choice for our customers. Our company adopts the most advanced domestic air spring processing equipment and international production technology. Combined with unique production process, our company strictly execute international standards for production and spare no efforts to create the world-class products. We will endeavor to make air spring widely used at home and abroad, and let more and more customers to enjoy the best damping effect.