Plastics & rubber

High Performance Hydraulic Piston Seal Rubber Wear Rings China Factory Suppliers

BK o-ring is a leading China factory and suppliers of hydraulic piston seal rubber wear rings. Made from premium PTFE, FKM, and NBR, our seals offer extreme temperature resistance from -55 to 260C and pressures up to 70Mpa. ISO and TS16949 certified quality for global industrial applications.

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About this product

Product information from the supplier.

Our High-Performance Hydraulic Piston Seal Rubber Wear Rings are engineered to provide superior guidance and support for piston rods in demanding industrial environments. Designed with a focus on reducing friction and preventing metal-to-metal contact, these wear rings ensure the longevity and efficiency of your hydraulic systems across various activity modes and sealing media.

Combining advanced materials like PTFE, FKM, and NBR with a compact and simple design, our wear rings offer exceptional chemical stability and mechanical strength. Whether you are operating in metallurgy, petrochemicals, or engineering machinery, these components deliver reliable performance under extreme pressures and temperatures, ensuring seamless assembly and disassembly for reduced downtime.

Detailed Parameters

Working Pressure0 ~ 70 Mpa Temperature Range-55 ~ 260 ℃
Rotational SpeedMax 0.5 m/s Reciprocating SpeedMax 2.0 m/s
Primary MaterialsPTFE, FKM, NBR, EPDM, Kalrez, HNBR Medium CompatibilityLubricating oil, liquid, and gas
Hardness Range50±5 to 90±5 Shores A Static Seal Pressure≤0.5 to 50 Mpa (Depending on Hardness)
Key FeaturesSelf-lubricating, low friction StabilityHigh chemical, heat, and cold resistance

Key Advantages

Extreme Durability

High mechanical strength and abrasion resistance ensure long-term reliability in high-pressure environments.

Thermal Stability

Operates flawlessly from -55℃ to 260℃, making it ideal for extreme temperature fluctuations.

Low Friction

Self-lubricating properties significantly reduce running friction and wear on mating surfaces.

Chemical Inertness

Excellent resistance to oils, water, steam, and corrosive chemicals for diverse industrial use.

Precision Design

Compact structure and simple design allow for convenient assembly and disassembly in the field.

Custom Versatility

Available in various materials and custom sizes tailored to your specific technical drawings.

Product Gallery

Management Platforms

OEM Excellence

Proven track record of OEM production for global leaders like NOK and Parker since 2005.

Quality Certification

Strict adherence to ISO9001 and TS16949 standards for consistent industrial quality.

Premium Raw Materials

Using imported materials from DuPont, JSR, and Dow Corning for maximum stability.

Mold Capacity

Over 20,000 sets of molds including AS, TM, JIS, and GB standards for rapid delivery.

Advanced ERP Control

Integrated ERP system ensuring comprehensive process control from order to shipment.

Rapid Prototyping

In-house CNC machining center for high-speed mold opening and sample development.

Investment Return Comparison

FeatureStandard Rubber SealsPremium Wear Rings
Service LifeModerateExtended / High-Life
Friction LevelStandardUltra-Low / Self-Lubricating
Temp. ResistanceLimitedExtreme (-55 to 260℃)
Maintenance CostFrequent ReplacementReduced Downtime
System EfficiencyBaselineOptimized Fluid Dynamics

Frequently Asked Questions

Q: How do I choose the correct material for my rubber wear ring?

Material selection depends on your working conditions: PTFE/FKM for high temperature and chemical resistance, NBR for oil resistance, and EPDM for water/steam applications. Please contact our engineers for a professional consultation.

Q: What information is required for a custom rubber part quote?

To provide an accurate quote, we need the material type, exact dimensions (or a product drawing), and the required hardness (Shores A).

Q: What is the typical lead time for samples and mass production?

Sample lead time is generally 7 days, while mass production typically takes 10-15 days, depending on the complexity of the mold.

Q: Are your rubber parts compatible with high-pressure hydraulic systems?

Yes, our wear rings are designed to handle working pressures from 0 up to 70Mpa, providing stability and support in high-pressure hydraulic pistons.

Q: Do you provide free samples for testing?

Yes, free samples are available. For international clients, the samples are free, but we ask that the customer covers the express freight cost.

Q: Which industries commonly use your rubber wear rings?

Our products are widely used in metallurgy, petrochemicals, engineering machinery, light industrial machinery, and various other fields requiring high-performance sealing and guidance.

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