PU O-Rings (Polyurethane)
PU O-Rings for high wear resistance and dynamic sealing applications, widely used in hydraulic and pneumatic systems. Available in standard and custom sizes with OEM manufacturing support.
Product overview
Product details
Polyurethane (PU) O-Rings offer excellent abrasion resistance and mechanical strength, making them suitable for demanding dynamic sealing applications.
They are widely used in hydraulic cylinders, pneumatic systems, and industrial equipment where frequent movement and high wear conditions exist.
Key Features
- Excellent abrasion and wear resistance
- High mechanical strength and elasticity
- Superior performance under high pressure and dynamic conditions
- Good resistance to oil and hydraulic fluids
- Long service life in demanding industrial environments
Technical Specifications
- Material: Polyurethane (PU)
- Temperature Range: -30°C to +80°C (up to 100°C short-term)
- Color: Yellow, green, or custom
- Application: Dynamic and high-pressure sealing
- Certification: ISO / RoHS / REACH available
Size Range
Available in standard sizes with custom inner diameter (ID), outer diameter (OD), and cross section (CS) supported.
Applications
- Hydraulic systems (cylinders, pumps, valves)
- Pneumatic systems
- Construction and heavy machinery
- Automotive components
- Industrial equipment with dynamic sealing requirements
Material Advantages
Compared with NBR, PU offers better abrasion resistance and mechanical strength. Compared with EPDM, PU provides superior wear resistance and pressure tolerance. However, PU has lower high-temperature resistance than FKM.
Customization
- Custom inner diameter (ID), outer diameter (OD), and cross section (CS)
- Custom colors for identification or branding
- Custom packaging and private labeling
- Tooling development with fast turnaround
Why Choose Us
- Over 10 years of experience in sealing manufacturing
- Fast response within 24 hours for inquiries and quotations
- Full OEM support with custom tooling and production
- ISO certified quality management system
- Reliable lead times: standard sizes 5-10 days, custom orders 10-20 days
Frequently Asked Questions
What are PU O-Rings mainly used for?
They are widely used in dynamic sealing applications, especially in hydraulic and pneumatic systems.
What temperature range can PU O-Rings withstand?
Typically -30°C to +80°C, with short-term resistance up to 100°C.
How does PU compare to NBR?
PU offers much better wear resistance and mechanical strength, making it ideal for dynamic applications.
Can you produce custom sizes?
Yes, we support custom sizes based on drawings or samples.
Interested in PU O-Rings (Polyurethane)?
Send us your requirements for a fast quotation and technical support.