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 |
GWJ metal-cased hydraulic wiper seals effectively block dust, dirt, sand and metallic debris from infiltrating the piston rod end pin. A unique feature (see Figure 1) is its specialized dust-exclusion lip design. Refer to the GWJ seal specifications below for full details.
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HWS Single Acting Wiper Seal is a high-performance polyurethane wiper seal designed for hydraulic cylinders, delivering reliable wiping and contamination control.
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HPIA Double-Acting NBR Piston Seal combines an NBR sealing element, polyester support rings, and POM guide rings for reliable dynamic and static sealing. Ideal for compact hydraulic cylinders requiring excellent wear resistance and pressure retention.
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HRU Composite Mining Rod Seal combines polyurethane sealing elements with O-ring energizers to provide excellent high-pressure resistance, wear performance, and reliable sealing for mining and heavy-duty hydraulic applications.
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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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HPF High Pressure Piston Seal is designed for mining hydraulic supports and heavy-duty cylinders, featuring excellent extrusion resistance, high-pressure performance, and long service life.
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