Ningbo WeiWo Electromechanical Tech Co.,Ltd.
| Payment Terms | T/T, Western Union |
| Supply Ability | 1,000,000pcs per month |
| Delivery Time | 10 working days |
| Packaging Details | According to customer’s demand |
| Product Name | Banded Piston |
| Material of piston | Fe - C - Cu |
| Material of bands | PTFE |
| Color | black |
| Application | rear shock absorbers |
| Density of bands | 2.15 g/cm3 |
| Outer diameter | 24.945-24.995mm |
| Working Temp. | 260 ℃ |
| Brand Name | WEIWO |
| Model Number | Φ25mm |
| Certification | IATF16949:2016 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union | Supply Ability | 1,000,000pcs per month |
| Delivery Time | 10 working days | Packaging Details | According to customer’s demand |
| Product Name | Banded Piston | Material of piston | Fe - C - Cu |
| Material of bands | PTFE | Color | black |
| Application | rear shock absorbers | Density of bands | 2.15 g/cm3 |
| Outer diameter | 24.945-24.995mm | Working Temp. | 260 ℃ |
| Brand Name | WEIWO | Model Number | Φ25mm |
| Certification | IATF16949:2016 | Place of Origin | China |
| High Light | shock absorber parts ，damper piston | ||
25mm PTFE banded shock piston with HRB70 - 90, density > 6.5g/cm3 with ID 7.1mm
Piston export to Europe market with good quality
pistons are produced by automatic banding machine
100% tested by air gauge
with consistent size and coaxiality
Groovefill requirement for banded piston
The minimum groovefill requirement is valid for the average measurement / groove on both sides
of the piston (0° and 180° on the circumference of the piston)
| BORE SIZE | GROOVE FILL |
| 27 MM | MIN 0,24 MM |
| 30 MM | MIN 0,24 MM |
| 32 MM | MIN 0,30 MM |
| 35 MM | MIN 0,34 MM |
Specifications:
| Physical performance for shock piston | tensile strength | More than 15MPa |
| elongation @ break | More than 200% | |
| shore hardness (bands) | 57 - 61 | |
| density | 2.15 – 2.19 g/cm3 | |
| wear | Less than 50mg | |
| friction coefficient | Less than 0.3 | |
| hardness (sinter piston) | HRB65-85 | |
| Different fillers | carbon fiber | |
| glass fiber | ||
| graphite | ||
| Molybdenum disulfide | ||
| carbon | ||
Description:
New design new technology ptfe + Carbon Fiber Shock Absorber Piston with durability test
1. Size D25* D8 * 11
2. PTFE+CARBON FIBER
3. Band PTFE disc
4. New design
5. Density of sinter piston: 6.8g/cm3
6. Material: C=0.3-0.6%, Cu=3-5% balance: Fe
7. Hardness for sinter piston is HRB65-85
Materials of PTFE disc:
1. PTFE+BRONZE
2. PTFE+CARBON FIBER
3. PTFE+GLASS FIBER
4. OTHER FILLERS or other material according to customer’s demand
Applications:
In car or motorbike front or rear shock absorbers
Competitive Advantage:
1. Consistency in size.
2. Infrared ray detect the out diameter in automatic banding machines
3. Produce PTFE disc by us, can control the quality itself.
Picture show:
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Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
2010
Total Annual:
8,000,000.00-12,000,000.00
Employee Number:
100~150
Ecer Certification：
Active Member
Our company was set up in a beautiful city Ningbo, which is closed to Ningbo seaport and airport. Weiwo is a specialized company that is engaged in producing auto spare parts, designing and manufacturing electromechanical & machinery spare parts, hydraulic motor and hydraulic valves with differe... Our company was set up in a beautiful city Ningbo, which is closed to Ningbo seaport and airport. Weiwo is a specialized company that is engaged in producing auto spare parts, designing and manufacturing electromechanical & machinery spare parts, hydraulic motor and hydraulic valves with differe...
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