Suspension Air Spring 2B12-440 / 2B12440 Bellows No. 578923315 Cross FD 331-26 480

Suspension Air Spring 2B12-440 / 2B12440 Bellows No. 578923315 Cross FD 331-26 480

Assembly Weight: 13.4 lbs

Design Height: 9-11 inches

Minimum Jounce Height: 3.55 inches

Loading Capacity at 20 psig: 1,240 lbsf

Loading Capacity at 60 psig: 3,720 lbsf

Loading Capacity at 90 psig: 5,580 lbsf

Operating Temperature: 57Cº to -54Cº

❶Nut / Blind Nut

Top Cover Plate Screw (Nut) Tooth : 1 pcs X 1/2-13UNC

Top Cover Plate Combination Nut : 3/4-16UNF

Screw Center Distance of Top Cover Plate : 157 mm / 6.2 inches

Bottom Cover Plate Screw (Nut) Tooth : 2 pcs X 2X1/2-13UNC

Screw Center Distance of Bottom Cover Plate : 157 mm / 6.2 inches

❷ Gas Hole / Air inlet / Air Fitting

Gas Hole / Air inlet : 1/4-18NPT , Combination Stud/Air Inlet Stud

❸ Cover Plate

Top Cover Plate Diameter (Width): 224.5 mm / 9.00 inches

Bottom Cover Plate Diameter (Width): 224.5 mm / 9.00 inches

❹Rubber Bellows

Rubber Bellows MAX Diameter : 343 mm / 9.7 inches

Compressed Height: 104 mm / 4.1 inches

Maximum Height: 363mm / 14.3 inches

Working Stroke : 259 mm / 10.2 inches

❺ Bumper block / Buffer block

With Bumper Block

❻ Girdle Hoop / Girdle Ring

With Girdle Hoop :One Pieces of Girdle Hoop

GUOMAT Air Springs can last at least twice lifetime, always as much as four times longer than steel springs!

1. They almost do not need to maintain.
2. Increase the service life of tires and brake pads.
3. Let you pull anything; Eliminate expensive admission cost.
4. Greatly reduce the breakage of the other vehicle components and maintenance.
5. Back to you in the scrappage, truck and trailer with air suspension is more valuable.
6. Allow the perfect load balancing between axles; Allow you to run in one of the largest legal restrictions.
7. Reduce the discomfort and driver fatigue risk; Improve the efficiency of the driver's safety, and loyalty
8. To provide smooth to load, reduce the cost of expensive insurance claims and packaging.

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.

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.