Black HNBR 70 Material O-rings,AS568 Series Standard,Low Temperature -40℃ Rubber Ring,Refrigeration Valve Sealing Part
1. Product Description:
The o-ring is a round rubber seal ring.
2. Product Application:
Seal: Prevent liquid or gas leakage in various mechanical equipment to ensure the sealing of the system, such as is widely used in pipeline connection, valves, pumps and other components.
Cushion: It can play a buffer role between some motion components, reduce vibration and impact.
3. Commonly Used Material:
| Material: | Temperature: |
| NBR | -40 to 100 ℃ |
| FKM | -20 to 200 ℃ |
| FFKM | -20 to 320 ℃ |
| HNBR | -40 to 150 ℃ |
| AFLAS | -30 to 175 ℃ |
| VMQ/SILICON | -70 to 220 ℃ |
| FVMQ | -60 to 175 ℃ |
| EPDM | -50 to 150 ℃ |
| CR | -40 to 120 ℃ |
| SBR | -40 to 110 ℃ |
| PU | -40 to 90 ℃ |
| PTFE | -100 to 280 ℃ |
| IIR | -20 to 120 ℃ |
| ACR | -25 to 150 ℃ |
4. Specification:
Size calculation:OD=ID*2*C/S
AS568 standard size:
| AS0xx to AS4xx | c/s |
| AS0xx | 1.78mm |
| AS1xx | 2.62mm |
| AS2xx | 3.53mm |
| AS3xx | 5.33mm |
| AS4xx | 6.99mm |
5.FAQ:
1. How to choose materials?
The selection of materials needs to be used according to the environment, including the medium, temperature, pressure, etc.
2. How to deliver the goods?
for small order, we can deliver by express, such as DHL, FEDEX, UPS,TNT.etc.
for large order , we can deliver by air or by ship .
3. Are you a manufacturer ?
Yes.We are specializing in the production of various hydraulic and pneumatic sealing products. Its quality system certification has passed ISO 9001:2015, and the materials used comply with REACH and RoHS regulations. Accept customization and OEM production.
4. Do you provide samples ? is it free?
Yes, we will offer the sample for free charge but you need to pay the cost of freight.
5. How is the quality?
All manufacturing processes confirm to the ISO-9001:2015 system, 100% inspection before shipment.
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Black HNBR Low Temperature O Rings AS568 Standard Refrigeration Valve Sealing Parts Images
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