Product Summary

In hydraulic systems, sealing reliability is critical to prevent leaks and maintain pressure. Our custom hydraulic rubber O-rings are designed for high-pressure environments, often used in pumps, valves, and cylinders. We offer a wide range of materials including NBR, FKM, HNBR, and more, with custom hardness and dimensions to ensure a precise fit. Our manufacturing processes are ISO9001 and IATF16949 certified, guaranteeing quality and consistency for demanding hydraulic applications.

With 20 years of experience, our engineers provide effective sealing solutions that withstand extreme pressures and temperatures. Whether your system uses mineral oil, synthetic fluids, or water-glycol, we can select the optimal material to ensure long service life.

Key Selling Points

• High-Pressure Endurance: Materials and geometries selected for superior compression resistance and burst strength.
• Chemical Compatibility: NBR and FKM options resist hydraulic fluids, oils, and greases.
• Custom Fit: Custom dimensions and hardness avoid extrusion and ensure reliable sealing.
• Temperature Versatility: Available in materials that perform from -40°C to +200°C depending on type.
• Certified Manufacturing: ISO9001 and IATF16949 ensure strict process control.
• Engineering Support: Our team assists with gland design and material selection.

Technical Specifications

Models and Options

We offer several types:

• Hydraulic O-Ring
• Static Seal O-Ring
• Dynamic Seal O-Ring
• Pneumatic O-Ring

Materials and Structure

Recommended materials for hydraulic sealing:

• NBR: Economical choice for petroleum-based fluids.
• FKM: For high temperatures and aggressive chemicals.
• HNBR: Improved mechanical strength and heat resistance.
• EPDM: Suitable for water and brake fluids.

O-rings are molded to precise tolerances to handle high pressure without extrusion.

Applications

• Hydraulic pumps and motors
• Control valves and manifolds
• Heavy machinery
• Automotive transmissions
• Agricultural equipment
• Industrial presses

Customization

Our customization capabilities include hardness, size, color, and physical properties. We can also provide anti-extrusion rings if needed. Contact us with your hydraulic system specifications for a tailored solution.

FAQ

Inquiry Information

Request a quote:
Tommy Liu / Victor Hang
Email: tommyliu@longrunrubber.com / hang@longrunrubber.com
Tel/WhatsApp: +86 13006697998
Address: 7# factory building, No. 27 Songbailing Avenue, The start-up area of China-South Korea Huizhou Industrial Park, Zhongkai High-tech Zone, Huizhou, Guangdong, 516302, China.

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