W01-R58-4044 Firestone Air Rubber Bellows 12''X2 Double Convoluted Type Air Spring

Product Description

Model Name: GUOMAT Air Bellow,Air Spring

Model Number: 12X2
min Height :75 mm
Max Height :300 mm
Stroke : 225 mm

OEM Number

Firestone Bellows Number: 12x2

Firestone Bellows Number: 12''x2

Firestone Part Number: W01-R58-4044

Firestone Part Number: W01 R58 4044

Firestone Part Number: W01R584044

Firestone Part Number: W01-r58-4044

Firestone Part Number: W01 r58 4044

Firestone Part Number: W01r584044

Dunlop Springride Number: 12X2

Dunlop Number: SP 256NB

Rubber Air Spring Bellows Only

One of the core uses of the single bellows (rubber part) of industrial air springs is to provide customers with an economical and efficient repair option. When the airbag body (rubber part) is damaged and other parts (such as upper and lower covers/pistons) are still intact, only the bellows can be replaced, thus saving costs.

One of the main failure modes of air springs is aging, wear, cuts, cracks, bulging or fatigue damage to the rubber bellows. In many cases, the metal or plastic upper and lower covers, pistons, fasteners and other structural parts are usually intact. If customers can only buy the entire air spring assembly for replacement, it means discarding those metal/plastic parts that are still intact, which is a waste of resources.

The price of a single bellows is much lower than the price of the entire air spring assembly. Replacing a single bellows can usually save 40% - 60% or even more costs, depending on the model and size of the air spring. This is a considerable saving for industrial customers who use a large number of air springs or large and expensive models.

Important Prerequisites and Precautions

Replaceability: Not all air spring designs support easy replacement of the bladder alone. Some designs may be integrated or have special sealing structures, making it very difficult or uneconomical to replace the bladder. Before purchasing a single bladder, customers need to confirm that their original air spring model supports the replacement of the bladder alone and that they can purchase a replacement bladder of the exact matching model.

Installation professionalism: Replacing a bladder is not a simple "slip on". It usually involves:

• Proper removal of the old bladder (special tools may be required).
• Thoroughly clean the sealing surfaces and grooves of the upper and lower covers.
• Make sure the new bladder is installed in place and the sealing edge is fully embedded in the groove.
• It may be necessary to tighten the bolts in a specific order and torque.
• Perform a rigorous air tightness test after installation. Improper installation can cause leakage or even failure, posing a safety hazard. It is recommended that the operation be performed by trained personnel or in accordance with the detailed instructions provided by the manufacturer.

GUOMAT 12X2 Rubber Air Bellow Real Pictures

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.