4 1/2"×1 Dunlop Pneumatic Air Rubber Bellows Cross Norgren PM/31041 Air Suspension

4 1/2"×1 Dunlop Pneumatic Air Rubber Bellows Cross Norgren PM/31041 Air Suspension

Quick Details

Product Features

[1] Maximum Diameter: 125mm
[2] Space Required: 140mm
[3] Minimum Height: 45mm
[4] Maximum Height: 90mm
[5] Total Stroke: 45mm
[6] Static Height: 65mm
[7] Effective Area at Static Height: 65cm²
[8] Bellows Weight: 1 kg

OEM Part Numbers

How Do Industrial Air Springs Work?

1. A rubber air spring is a shock-absorbing device that combines the elasticity of rubber with the compression of air. It is widely used in automotive suspension systems, construction machinery, and medical equipment. Its simple structure consists of rubber filled with air. The air is compressed and deformed to absorb and release energy, providing both cushioning and support.
2. When an external force acts on the air spring, the rubber wall deforms, compressing the air and storing energy. When the force disappears, the air expands, and the rubber returns to its original shape, releasing the energy. This dynamic process enables the air spring to effectively absorb shock and provide a comfortable ride.
3. The advantages of rubber air springs include adjustable volume, rapid response, and durability. They automatically adjust their height based on the load, adapting to varying road conditions in real time, reducing the harsh impact of traditional springs. Because both rubber and air are resistant to wear, maintenance is low and the service life is long.
4. This highly efficient shock-absorbing technology not only improves vehicle comfort and handling but also demonstrates significant value in multiple fields, making it an indispensable component in modern engineering.

The Real Pictures of 1B4.5×1P

Factory Workshop

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.