GUANGZHOU GUOMAT AIR SPRING CO. , LTD
| Payment Terms | T/T, Western Union,Paypal or Others |
| Supply Ability | 1000pcs/week |
| Delivery Time | 2-8 work days |
| Packaging Details | strong carton box or as customers need |
| Material | Steel cover plate , rubber bellows |
| GUOMAT NO. | PM/31021 |
| Bellows NO . | Springride 2-3/4" |
| Firestone | 2-3/4" |
| Plate Dia. | 154 mm |
| Max Dia. | 165mm |
| Pressure Ability | 0.2-0.8 MPa |
| Air inlet | G 1/4 |
| Stroke | 20 mm |
| Brand Name | Norgren |
| Model Number | PM/31021 |
| Certification | ISO/TS16949:2009 |
| Place of Origin | Guangdong,China |
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Product Specification
| Payment Terms | T/T, Western Union,Paypal or Others | Supply Ability | 1000pcs/week |
| Delivery Time | 2-8 work days | Packaging Details | strong carton box or as customers need |
| Material | Steel cover plate , rubber bellows | GUOMAT NO. | PM/31021 |
| Bellows NO . | Springride 2-3/4" | Firestone | 2-3/4" |
| Plate Dia. | 154 mm | Max Dia. | 165mm |
| Pressure Ability | 0.2-0.8 MPa | Air inlet | G 1/4 |
| Stroke | 20 mm | Brand Name | Norgren |
| Model Number | PM/31021 | Certification | ISO/TS16949:2009 |
| Place of Origin | Guangdong,China | ||
| High Light | PM/31021 Industrial Air Spring ，Single Convolution Industrial Air Spring ，2-3/4" Norgren Air Spring Bellows | ||
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:
| Model | PM/31021 | PM/31022 | PM/31023 | PM/31041 | PM/31042 | PM/31043 | PM/31061 | PM/31062 |
| Cylinder Ø [inch] | 2 3/4" | 2 3/4" | 2 3/4" | 4 1/2" | 4 1/2" | 4 1/2" | 6" | 6" |
| Stroke [mm] | 20 | 45 | 60 | 40 | 85 | 100 | 55 | 115 |
| Air Port | G 1/4 | G 1/4 | G 1/4 | G 3/8 | G 3/8 | G 3/8 | G1/2 | G1/2 |
| Nominal Ø (inch) x convolutions | 2 3/4" x 1 | 2 3/4" x 2 | 2 3/4" x 3 | 4 1/2" * 1 | 4 1/2" * 2 | 4 1/2" * 3 | 6" x 1 | 6" x 2 |
| Installation height min [mm] | 50 | 65 | 80 | 50 | 65 | 100 | 55 | 80 |
| Recomended max working height [mm] | 65 | 105 | 130 | 80 | 135 | 180 | 100 | 170 |
| Installation height max [mm] | 70 | 110 | 140 | 90 | 150 | 200 | 110 | 190 |
| Retracting force to reach min height [N] | 200 | 310 | 300 | 200 | 240 | 140 | 200 | 220 |
Company Details
Business Type:
Manufacturer,Agent,Exporter
Year Established:
2006
Total Annual:
5999900-6999900
Employee Number:
159~189
Ecer Certification：
Verified Supplier
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&rsquo... 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&rsquo...
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