154mm PM/31021 Industrial Air Spring Single Convolution 2-3/4" Compact PM 31021

PM/31021 Industrial Air Spring Norgren Air Bellows Single Convolution Nominal Diameter 2-3/4"

PM/31021 Description:

Norgren Imported PM/31021 this kind of triple Convoluted Air Spring which is produced by Norgren. It can replace bellows Number 2-3/4" ; PM/31021 air spring not only use in truck and trailer,but also as Vibratory conveyors,such as Large drying machines,Centrifugal separators,Coordinate measuring tables and machinery and Commercial laundry machines.

PM/31021 Specifications and Detail Technical Parameters

❶Nut / Blind Nut

Top Cover Plate Screw (Nut) Tooth : 6pcs X M10

Bottom Cover Plate Screw (Nut) Tooth : 6pcs X M10

❷ Gas Hole / Air inlet / Air Fitting

Gas Hole / Air inlet : G3/8

❸ Cover Plate

Top Cover Plate Diameter (Width): 154 mm

Bottom Cover Plate Diameter (Width): 154 mm

Material top and bottom plate:steel

❹Rubber Bellows

Diameter max at 7 bar:165MM

Stroke of Rubber Bellows:55 m

❺ Bumper block / Buffer block

Without Bumper Block

❻ Girdle Hoop / Girdle Ring

With Girdle Hoop :no Girdle Hoop

ITEM: PM/31042
Frictionless operation
No maintenance or lubrication
Ideal for short stroke, high-force applications
High vibration isolation level
Easy, compact installation
Operation: Single acting
Stroke length: 80 mm
Port size: G3/8
Nominal diameter: 4-1/2"
Number of convolutions: 2

Medium: Air Compressed
Port size: G3/8
Operation: Single acting
Operating pressure: 0 ... 8 bar
Operating temperature: -30 ... 50 °C
Stroke length: 80 mm
Theoretical force: 5750 N
Range: PM/31000

The drawing of ​PM/31021:

Other kinds of model air bellows:

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.