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Brand Name : WEIWO
Model Number : 20*41*3.4/11.4
Certification : IATF16949:2016
Place of Origin : China
MOQ : 1000pcs
Price : negotiation
Payment Terms : T/T, Western Union
Supply Ability : 20,000pcs per month
Delivery Time : Two weeks for new samples
Packaging Details : Standard exporting package
Product Name : oil seal
material : NBR
tensile strength : 14.2MPa
tear strength : 59.56
Elongation @ break : 265%
Application : shock absorber
NBR rubber oil seal national skeletion with Shore A 80 applied in shock absorber
 
 
Specifications:
| ITEM | SPEC | TEST METHOD | RESULT | 
| MAIN LIP | ø18.20±0.35 | PROJECTOR | 18.12-18.16 | 
| DUSTPROOF LIP | ø18.90±0.30 | PROJECTOR | 18.64-18.72 | 
| OD | ø32+0.3/+0.1 | CALIPER | 32.18-32.20 | 
| HEIGHT (1) | 10±0.20 | CALIPER | 10.10-10.16 | 
| HEIGHT (2) | 15±0.30 | CALIPER | 15.20-15.24 | 
 
Description:
 
Our company is specialized in producing shock absorber parts: oil seal, Piston, Rod Guide, base valve.
 
piston rod,  valve disc, stamping parts and other sinter parts.
 
Equipment Advantages:
 
Automatic Hydraulic Machines
 
Automatic Mechanical Pressers
 
Vacuum Furnaces
 
Sintering furnace
 
CNC tooling machine
 
Properties:
| ITEM | SPEC | RESULT | STANDARD | |
| Shore A | 80±5 | 84 | GB/T531-1999 | |
| Tensile strength | ≥12MPa | 14.2 | GB/T528-1998 | |
| Elongation @ break | ≥150% | 265 | ||
| Compression deformation | Max+50 | 19 | GB/T7759-1996 | |
| 100℃ * 70 h Sample B type | ||||
| Tear strength right angle | ≥30 | 59.56 | GB/T529-1999 | |
| air oven aging test | Hardness change point | 0~+10 | +3 | GB/T3512-2001 | 
| Tensile strength change rate | Max-20 | -2 | ||
| Elongation @ break change rate | Max-50 | -6 | ||
| oil resisitant 100℃ * 70 h (IRM901) | Hardness change point | -50~+10 | +3 | GB/T1690-1992 | 
| Volumn change rate | -10~+5 | +1 | ||
| oil resisitant 100℃ * 70 h (IRM903) | Hardness change point | -10~+5 | -2 | GB/T1690-1992 | 
| Volumn change rate | 0~+20 | +4 | ||
| Brittleness Temperature | ≤-40℃ | -40℃ | GB/T1682-1994 | |
| Rubber standard: HG/T2810-2008 WA8533 | ||||
                                                                          
We can also produce different valve seat with different dimensions.                                                
 
Some dimensions of compression valve seat are below:                                
ØD  | ØD1  | ØD2  | Ød  | H  | H1  | H2  | h  | 
28  | 23.8  | 22.1  | 16  | 11  | 4.3  | 2.5  | 3  | 
29.8  | 25.8  | 22.1  | 16  | 11.5  | 4.3  | 2.5  | 3.5  | 
33  | 28.3  | 22.1  | 16  | 15  | 7.3  | 3  | 4  | 
34  | 29.1  | 22.1  | 17  | 16  | 9.5  | 3.5  | 4  | 
35  | 30.8  | 22.1  | 16  | 15  | 7.3  | 3  | 4  | 
 
Sintered Parts                              
1. Professional Fe/Cu based powder metallurgy parts manufacturer                                
 
2. Process flow: Mixing--Compacting--Sintering--Re-sizing--ultra sonic cleaning--vacuum oiling--Packing                            
 
3. High precision, low noise, wear resistance, energy saving, environment protection, high efficiency and low cost.                                
 
4. High quality guarantee: electronic balance to ensure density, test equipments to ensure crushing
 
strength, QC and PQC to ensure close tolerance and accurate dimension.                            
 
5. Design ability: Developed different models of gear, bearing, bushing, structural parts etc.     
 
can produce according to drawings or samples.
 
Applications:
 
1. Automotive Part
 
2. Motorcycle Part
 
3. Pump Parts
 
4. Locomotive Parts
 
5. Machinery Parts
 
6. Tool Parts
 
Competitive Advantage:
 
High quality guarantee:
 
(1) Electronic balance ensure density
 
(2) Test equipments to ensure crushing strength
 
(3) QC an PQC to ensure close tolerance and accurate dimension
 
Design ability:
 
Develop different models of gear, bearing, bushing, structural parts etc. can produce according to
 
drawings or samples.
 
Picture show:
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                        Automatic Hydraulic Machines Rubber Sealing Element Engine Oil Seal NBR Shore A80 14.2MPa Images |