Guangzhou Guomat Air Spring Co., Ltd.
| Payment Terms | T/T,Western Union,Paypal or Others,L/C,D/A,D/P,MoneyGram |
| Supply Ability | 1000pcs/week |
| Delivery Time | 3-8 Working Days |
| Packaging Details | Strong Carton Box or as Customers Requirement |
| Trademark | AIRSUSTECH |
| Product Number | 2B4.5×2P |
| Color | Black |
| Bellows Type | Single Convolution |
| Dunlop | 4 1/2''×2 |
| Material | Rubber and Steel Plate |
| Sample | Available |
| Quality | 100% Tested |
| Brand Name | AIRSUSTECH |
| Model Number | 2B4.5×2P |
| Certification | ISO/TS16949:2009 |
| Place of Origin | Guangzhou, China |
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Product Specification
| Payment Terms | T/T,Western Union,Paypal or Others,L/C,D/A,D/P,MoneyGram | Supply Ability | 1000pcs/week |
| Delivery Time | 3-8 Working Days | Packaging Details | Strong Carton Box or as Customers Requirement |
| Trademark | AIRSUSTECH | Product Number | 2B4.5×2P |
| Color | Black | Bellows Type | Single Convolution |
| Dunlop | 4 1/2''×2 | Material | Rubber and Steel Plate |
| Sample | Available | Quality | 100% Tested |
| Brand Name | AIRSUSTECH | Model Number | 2B4.5×2P |
| Certification | ISO/TS16949:2009 | Place of Origin | Guangzhou, China |
| High Light | 85mm air spring actuator ，pneumatic air suspension actuator ，Norgren PM31042 air actuator | ||
Full Stroke 85MM Air Spring Actuator Norgren PM/31042 Pneumatic Air Suspension
The Specifications of AIRSUSTECH 2B4.5×2P
[1] Min. compressed height: 65 mm
[2] Maximum height: 150 mm
[3] Working stroke: 85 mm
[4] Port size: G3/8
[5] Threaded hole type: 3×M6
[6] Cover plate diameter: 110 mm
[7] Maximum diameter of rubber bellows: 125 mm
[8] Installation space: 140 mm
[9] Center distance diameter: 93 mm
The Technical Parameters of 2B4.5×2P Air Spring
Vibration isolation - dynamic characteristics values
| Pressure P [bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V[l] |
| Force (Load) [kN] | 1.1 | 1.5 | 2.0 | 2.4 | 2.8 | 3.2 | 0.7 |
| Spring Rate [N/cm] | 440 | 560 | 680 | 805 | 925 | 1040 | |
| Natural Frequency [Hz] | 3.2 | 3.0 | 3.0 | 2.9 | 2.9 | 2.8 |
Pneumatic application - static characteristic values
| Pressure p | [bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol.[l] |
| Height H [mm] | 140 | 0.8 | 1.1 | 1.5 | 1.8 | 2.2 | 2.5 | 0.74 |
| 120 | 1.4 | 1.9 | 2.4 | 2.9 | 3.4 | 3.9 | 0.66 | |
| 100 | 1.8 | 2.5 | 3.1 | 3.7 | 4.4 | 5.0 | 0.54 | |
| 80 | 2.3 | 3.1 | 3.8 | 4.6 | 5.4 | 6.2 | 0.40 |
Critical Guidelines for Air Bellow Installation and Operation
1. Thrust Management
• Pre-Installation Check: Inspect bellows for transport or storage damage before assembly
• Safety First: Never inflate until fully secured to prevent uncontrolled expansion
2. Clearance Requirements
• Maintain sufficient operational clearance around the bellow
• Utilize full metal contact surfaces for force distribution
• Mandatory Lateral Guidance: All air bellows require side guides for stability
• Deactivation Protocol: Fully deflate before removal or disassembly
3. Environmental Protection
• Prevent continuous contact with:
Hydraulic oils / Lubricants / Solvents / Metal debris / Welding sparks
• Special Media Consultation: Contact AIRSUSTECH for applications involving unusual chemicals (provide concentration/temperature details)
4. Safety Stops
• Essential Protection: Install mechanical stops at both compression and extension extremes
• Damage Prevention: Stops prevent overtravel-induced structural failure
Product Images
Company Details
Business Type:
Manufacturer,Agent,Exporter
Year Established:
2005
Total Annual:
6999900-7999900
Employee Number:
159~179
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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