3B12-304 W01-358-8013 Triple Convoluted Air Bag FT330-29 3B12-306 For Building Gravel Equipment​

Description of 3B12-304 Goodyear Air Spring:

3B12-304 Goodyear Air Spring-Triple Swivel Airbag 3B12-304.
This is a bellows-type Goodyear air spring. The bellows air spring has one, two or three convolutions in the flexible member. Such triple-twist airbags are usually found on lift springs or axles of trucks and trailers, as air travel springs, and can also be used as actuators or insulators in the industry.

3B12-304 Goodyear Technical Parameters

❶Nut / Blind Nut

Top Cover Plate Screw (Nut) Tooth : 2pcsX3/8-16UNC

Top Cover Plate Screw (Nut) Tooth : 2pcsX3/8-16UNC

Screw Center Distance of Top Cover Plate : 157.5mm

Bottom Cover Plate Screw (Nut) Tooth : 2pcsX3/8-16UNC

Screw Center Distance of Bottom Cover Plate : 157.5mm

❷ Gas Hole / Air inlet / Air Fitting

Gas Hole / Air inlet : 1/4 N P.T.F. / 1/4NPTF

❸ Cover Plate

Top Cover Plate Diameter: 231 mm

Bottom Cover Plate Diameter: 231 mm

❹Rubber Bellows

Rubber Bellows MAX Diameter: 330 mm

Rubber Bellows Natural Diameter :300 mm

The Working Stroke : MAX 460 mm to MIN 130 mm

Maximum Height : 460 mm

Minimum Height :130 mm

Compression Height : 330 mm

❺ Bumper block / Buffer block

Without Bumper Block

❻ Girdle Hoop / Girdle Ring

With Girdle Hoop :Two Pieces of Girdle Hoop

Bellows type industrial air spring, triple rotation,
Effective area 330 square centimeters
29 cm maximum stroke,
Crimped bead plate
internal thread,
1/4 NPT, offset
Manufacturer: Goodyear
Compressed height
4.33"
Maximum expansion height
16.9"
The maximum diameter
12.8"
Maximum inflation pressure
120 psi
Maximum stroke
12.57"
Air inlet type
English
Air inlet
1/4"
series
C
lowest temperature
-76°F
Maximum temperature
158°F
Bellows type
Triple convolution
Weight: 13 pounds

3B12-304 Goodyear Cross others OEM

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.