O-rings are one of the most popular sealing solutions. Voneseals offers O-rings in extensive sizes and various materials, suited to countless operating conditions and applications. They are simple to mount and allow for straightforward, budget-friendly seal housing construction.
Item NO.:
OROrder(MOQ):
50Payment:
T/TProduct Origin:
ChinaShipping Port:
ShanghaiProduct Description
O-rings are precision-engineered sealing elements widely used in hydraulic, pneumatic, and fluid power systems to prevent leakage of oil, air, and other media under dynamic or static working conditions. Designed with excellent elasticity and compression set resistance, they ensure long-term sealing reliability even under high pressure, temperature variation, and continuous mechanical stress.
As a core sealing component in modern industrial equipment, this Polyurethane O-ring delivers stable performance in both standard and demanding operating environments, making it a preferred choice for OEM manufacturers and maintenance engineers worldwide.
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Material Options Available in multiple compounds to meet different working conditions:
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Key Features
Technical Data
| Parameter | Standard Specification |
| Working Pressure | ≤ 60 MPa(Subject to cross-section, extrusion gap, operating temperature and whether a back-up ring is installed) |
| Operating Temperature | -30℃~+100℃(hydraulic) |
| -30℃~+80℃(pneumatic) | |
| Operating Speed | ≤ 0.5 m/s |
| Standard Material | Polyurethane P2001 |
HRSD Single Lip Rod Seal is made of high-temperature polyurethane with excellent wear resistance and low-pressure sealing performance. Designed for excavator hydraulic cylinders, it provides reliable leakage prevention and long service life.
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HRD Polyurethane U-Cup Rod Seal features a dual-lip design for excellent sealing performance, low friction, and extended service life. Ideal for hydraulic cylinders, telescopic cylinders, forklifts, construction machinery, and agricultural equipment.
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HPGA Double-Acting PTFE Piston Seal features a PTFE sealing ring, NBR energizer, and nylon backup rings for low friction, anti-extrusion performance, and reliable sealing in heavy-duty hydraulic cylinders. Ideal for double acting hydraulic cylinder piston seals.
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HRB Rod Buffer Seal is a high-performance hydraulic cylinder buffer seal made from polyurethane and nylon. Designed to absorb pressure spikes, protect primary rod seals, and provide excellent wear resistance in heavy-duty hydraulic applications.
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HPK Rubber Piston Seal combines a modified nylon sealing ring with an elastomer energizer for excellent wear resistance, low friction, and high-pressure sealing performance. Ideal for heavy-duty hydraulic equipment operating under demanding conditions.
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HRF Hydraulic Piston Rod Seal is a pressure-energized symmetrical seal with an integrated O-ring for reliable sealing under low-pressure, vacuum, and high-pressure conditions. Suitable for both piston and rod applications in hydraulic cylinders.
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GRM Polyurethane Wiper Seals are custom-engineered as dedicated track pin seals.This durable PU pin wiper seal provides excellent dust, water, and contamination protection while maintaining reliable sealing performance on uneven terrain and heavy-duty applications.
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HRN Hydraulic Breaker Rod Seal delivers excellent low-pressure sealing and outstanding pump-back oil return performance. Featuring an integrated pressure relief groove, it provides reliable sealing for hydraulic breakers, demolition equipment, and heavy-duty hydraulic systems.
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