Black HNBR 70 O-Rings AS568 Standard -40°C to 150°C Temperature Range Refrigeration Valve Seals
Price:
Negotiate
MOQ:
100PCS
Delivery Time:
7-10 days
Brand:
DZK
Product Description
Product Overview
Black HNBR 70 Material O-rings designed for refrigeration valve sealing applications, manufactured to AS568 series standards with low temperature resistance down to -40°C.
Applications & Functions
Sealing Function
Prevents liquid or gas leakage in various mechanical equipment to ensure system integrity. Widely used in pipeline connections, valves, pumps, and other critical components.
Cushioning Function
Provides vibration and impact absorption between motion components, extending equipment lifespan.
Material Specifications & Temperature Ranges
| Material | Temperature Range |
|---|---|
| NBR | -40 to 100°C |
| FKM | -20 to 200°C |
| FFKM | -20 to 320°C |
| HNBR | -40 to 150°C |
| AFLAS | -30 to 175°C |
| VMQ/SILICON | -70 to 220°C |
| FVMQ | -60 to 175°C |
| EPDM | -50 to 150°C |
| CR | -40 to 120°C |
| SBR | -40 to 110°C |
| PU | -40 to 90°C |
| PTFE | -100 to 280°C |
| IIR | -20 to 120°C |
| ACR | -25 to 150°C |
Technical Specifications
Size calculation formula: OD = ID × 2 × C/S
AS568 Standard Cross-Section Dimensions
| AS568 Series | Cross-Section (C/S) |
|---|---|
| AS0xx | 1.78mm |
| AS1xx | 2.62mm |
| AS2xx | 3.53mm |
| AS3xx | 5.33mm |
| AS4xx | 6.99mm |
Quality Assurance & Manufacturing
Manufactured with ISO 9001:2015 certified quality systems. All materials comply with REACH and RoHS regulations. Every unit undergoes 100% inspection before shipment.
Customization & OEM Services
We accept custom orders and OEM production to meet specific application requirements.
Sample Policy
Samples available free of charge with freight costs covered by customer.
Shipping Options
Small orders: DHL, FedEx, UPS, TNT express delivery
Large orders: Air or sea freight available
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Xiamen Dezhengkai Sealing Technology Co., Ltd
Location
No55 north pingcheng road.Haicang district,Xiamen City,Fuiian Province.China.
Contact Person
Gao