Contitech FD 331-26 541 Double Convoluted Rubber Pneumatic Parts AIRSUSTECH Air Ride Springs


OEM NO.

Contitech:FD331-26 541

Contitech:FD331 26 541

Contitech:FD 331-26 541

Contitech:FD 331 26 541

Continental: FD 331-26 541

2B7550 specifications and Tecnical Data

1. Nut/blind nut Top plate screw (nut) teeth: 1/2-13UNC; 3/4-16UNC
Top plate screw center distance : 157mm
2. Bottom cover plate screw (nut) teeth: 2 x 3/8-16UNC
Bottom plate screw center distance : 157 mm
2. Air hole/air inlet/air fitting air hole/air inlet: 1/4-18NPT
The Screw is combined with the Air Inlet
3. Top plate diameter (width): 224.5mm, bottom cover diameter (width): 224.5 mm
4. Rubber bellows Max. diameter: 343mm
5. Min height: 104mm
Max. height: 363mm
6. Bumper block/bumper block with bumper
7. Belt loop/Girdle ring/girdle hoop: with one piece of belt loop/girdle hoop/girdle ring

Min. pressure: 0 bar

Return force to min.height: ≤300N

Overall weight with clamped plates: 5.1kg

Vibration isolation - dynamic characteristic values

Design Height H: recommended 240mm, minimum 220mm

Pneumatic application-static characteristic values

Force F[KN]

Rubber air springs are divided into three categories according to shape: capsule type, membrane type and sleeve type. According to the sealing structure, it is divided into four categories: pressure self-sealing type, rim clamping type, hoop sealing type and hybrid type.

This one is a bladder air spring. It can be used in many industrial equipment, such as presses, commercial washing machines, etc.

During transportation and storage, it should be kept as dry and cool as possible. At the same time, avoid exposure to the sun, prohibit contact with acids, alkalis, oils and other organic solvents, and keep away from heat sources.

The related picture of 2B7550 air spring/pneumatic cylinder

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.