Our Nitrile Rubber Seal Ring is made from high-quality NBR (Nitrile Butadiene Rubber), known for its excellent resistance to oils, fuels, and other petroleum-based substances. It offers strong mechanical properties, good wear resistance, and long service life, making it ideal for demanding sealing applications.
Material: Nitrile Butadiene Rubber (NBR)
Color: Typically black, custom colors available
Hardness: 60~90 Shore A
Temperature Range: -40°C to +120°C (short-term up to 135°C)
Key Features:
Excellent oil and fuel resistance
Good mechanical strength and flexibility
Moderate resistance to heat and aging
Customizable size and shape
Applications:
Automotive engines and fuel systems
Hydraulic and pneumatic equipment
Industrial machinery
Oil and gas pipelines
Agricultural and construction machinery
This seal ring ensures reliable sealing performance under medium pressure and temperature environments, suitable for both dynamic and static applications.
E-mail:info@rubbersealpro.com
WhatsApp:+86 188 5323 2260
| Raw material | Nature rubber/ NBR/ EPDM/ Silicone rubber/ Foam rubber |
| Quality assurance | ISO 9001 |
| Customize different performance | Inflaming retarding/ Insulation/ Anti UV/ Anti-corrosion/ Grease proofing/ Wear-resisting/ Anti-age |
| Usage temperature range | -60ºC to 230ºC |
| Shore A Hardness | 20° to 85° |
| Various applications | Static & Dynamic Sealing Auxiliaries Lip Seals (Rotary Shaft Seals) Bellows Seals (Flexible Compensation Components) Gaskets & Bushings Special Application Rubber Seals |
| Packing | Available packaging: boxes, display cards, printed materials, trays, wooden crates, or custom requests. |
| Production lead time | 1-4 weeks |
| Property | Typical Applications | Rubber Material |
| Oil Resistance | Hydraulic systems, fuel pump seals | NBR |
| High-Temp/Chemical Resistance | Chemical reactors, high-temp oil pumps | FKM, FFKM |
| Low-Temp/Weather Resistance | Cryogenic pumps, outdoor equipment | Silicone, EPDM |
| High Wear Resistance | Slurry pumps with particulate media | PU |
| Food/Medical Safety | Food filling machines, medical sterilization equipment | Medical-grade Silicone, EPDM |
Lip Seals (Rotary Shaft Seals)
Application: Installed between rotating shafts and cavities for dynamic sealing, preventing lubricant leakage or ingress of dust/water.
Rubber Products: Lip seals (with or without metal frames).
Materials: NBR (general oil resistance), PU (high wear resistance), FKM (fuel/high-temperature resistance).
Working Conditions: Used in motors, gearboxes, pumps, etc., with shaft speed ≤5,000 rpm, pressure ≤1 MPa, temperature -30°C to 150°C.
Bellows Seals (Flexible Compensation Components)
Application: Act as elastic compensation mechanisms in mechanical seals to adjust for shaft axial movement or eccentricity, ensuring sealing surface contact.
Rubber Products: Rubber bellows (molded or hydraulically formed).
Materials: Silicone (low-temperature/weather resistance), EPDM (water/ozone resistance), FKM (chemical resistance).
Working Conditions: Suitable for cryogenic pumps (e.g., LNG pumps, -196°C), chemical agitators (acid/alkali resistance), with displacement compensation ±5 mm and pressure ≤2 MPa.
Gaskets & Bushings
Application: Static sealing for end covers and flange joints in mechanical seals, or as auxiliary wear-resistant bushings.
Rubber Products: Flat gaskets, corrugated gaskets, wear-resistant bushings.
Materials: NBR (general sealing), PTFE-coated rubber (strong chemical resistance), EPDM (water/steam resistance).
Special Application Rubber Seals
High-Pressure Conditions: FFKM seals for ultra-high pressure (>100 MPa) and strong corrosion (e.g., concentrated hydrochloric acid, liquid oxygen), used in oil drilling mechanical seals.
Food & Pharmaceutical Grade: Medical-grade silicone seals, non-toxic and steam-sterilizable (135°C), for mechanical seals in pharmaceutical reactors.
Aviation-Grade: Radiation-resistant silicone seals for aircraft engines, enduring high temperatures (260°C) and speeds (>10,000 rpm), compliant with MIL-S-8802.
Core Advantages & Material Selection
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info@rubbersealpro.com
