Industrial Rubber O-Ring Seals
O-rings are among the most widely used sealing components in industrial equipment, hydraulic systems, pneumatic assemblies, pumps, valves, and mechanical devices. Due to their simple structure, excellent sealing efficiency, and cost-effective performance, rubber O-rings are ideal for both static and dynamic sealing applications.
SHAANXI GOLD-STONE manufactures high-performance industrial O-rings using advanced elastomer formulations and precision molding technology. Our sealing products are designed to provide reliable leakage prevention, pressure stability, chemical resistance, and long service life in demanding industrial environments.
From miniature precision seals to extra-large industrial O-rings, we provide customized sealing solutions for global industrial applications.
Reliable Sealing Performance for Industrial Systems
In hydraulic and mechanical systems, inadequate sealing may lead to:
- Oil leakage
- Pressure loss
- Equipment failure
- Media contamination
- Increased maintenance costs
- Reduced operational efficiency
SHAANXI GOLD-STONE O-rings are engineered to maintain stable sealing performance under varying pressure, temperature, and media conditions. Precision manufacturing ensures dimensional accuracy, excellent elasticity, and long-term sealing reliability.
Our O-rings are suitable for static sealing, reciprocating motion sealing, and low-speed rotary sealing applications.
Key Features of SHAANXI GOLD-STONE O-Rings
Excellent Sealing Performance
The elastic sealing structure creates reliable contact pressure between mating surfaces, effectively preventing fluid and gas leakage.
Wide Temperature Resistance
Different rubber compounds allow operation across extremely low and high temperatures.
Oil & Chemical Resistance
Suitable materials are available for hydraulic oils, fuels, chemicals, steam, gases, and aggressive industrial media.
High Pressure Capability
O-rings can operate in medium and high-pressure sealing systems when combined with appropriate backup ring designs.
Excellent Elasticity & Compression Recovery
Advanced rubber formulations provide stable sealing force and reduced permanent deformation.
Precision Manufacturing
Accurate molding technology ensures dimensional consistency and reliable sealing quality.
Long Service Life
High wear resistance and aging resistance help reduce maintenance frequency and equipment downtime.
Technical Parameters
Working Pressure
| Sealing Type | Bore Size | Pressure Condition |
| Static Seal | < 50 mm | No backup ring required below 10 MPa |
| Static Seal | > 50 mm | No backup ring required below 5 MPa |
| Static Seal | / | Backup ring recommended above 5 MPa |
| Static Seal | / | Special retaining ring supports up to 50 MPa |
| Dynamic Seal | / | No backup ring required below 5 MPa |
| Dynamic Seal | / | Backup ring recommended above 5 MPa |
Backup rings help prevent O-ring extrusion in high-pressure sealing applications.
Motion Speed
| Motion Type | Maximum Speed |
| Reciprocating Motion | 0.5 m/s |
| Rotary Motion | 0.5 m/s |
Proper lubrication and material selection are recommended for dynamic sealing systems.
Temperature Range
Operating Temperature
-60°C to +310°C
The actual operating temperature depends on the selected rubber material and working medium compatibility.
Compatible Industrial Media
SHAANXI GOLD-STONE O-rings are suitable for:
- Hydraulic oils
- Lubricating oils
- Petroleum products
- Water and steam
- Industrial gases
- Chemical fluids
- Air systems
- Refrigerants
Extra-Large O-Rings
Large-diameter rubber O-rings are manufactured using advanced segmented vulcanization technology, improving structural stability and bonding strength for oversized sealing applications.
Advantages of Large O-Rings
- Improved dimensional stability
- Excellent sealing integrity
- Strong chemical resistance
- Reduced mold investment cost
- Faster production cycles
- Custom large-diameter manufacturing capability
Maximum Specifications
| Item | Specification |
| Maximum Inner Diameter | 1900 mm |
| Maximum Cross Section | 20 mm |
| Inner Diameter Tolerance | ±0.008 |
| Cross Section Tolerance | ±0.02 |
Large O-rings are widely used in heavy industrial equipment, large valves, mining systems, and pipeline sealing applications.
MINI O-Rings for Precision Sealing
Miniature O-rings are produced using precision molds and high-accuracy rubber processing technology for micro-sealing applications.
Mini O-Ring Specifications
| Item | Specification |
| Minimum Inner Diameter | 0.5 mm |
| Maximum Cross Section | 0.5 mm |
These miniature seals are suitable for:
- Precision instruments
- Medical devices
- Electronic equipment
- Pneumatic control systems
- Compact hydraulic components
Available Rubber Materials
SHAANXI GOLD-STONE supplies industrial O-rings in multiple elastomer materials according to operating conditions.
FKM (Fluororubber )
- Excellent chemical resistance
- Outstanding heat resistance
- Suitable for aggressive industrial media
NBR (Nitrile Rubber)
- Excellent oil resistance
- Cost-effective hydraulic sealing material
- Widely used in industrial equipment
HNBR
- Enhanced mechanical strength
- Improved heat and abrasion resistance
- Suitable for heavy-duty hydraulic systems
EPDM Rubber
- Excellent resistance to water and steam
- Strong weather and ozone resistance
VMQ Silicone Rubber
- Wide operating temperature range
- Excellent flexibility at low temperatures
- Suitable for food-grade and medical applications
Industrial Applications of O-Ring Seals
SHAANXI GOLD-STONE O-rings are widely used in:
- Hydraulic systems
- Pneumatic systems
- Oil & gas equipment
- Industrial pumps
- Valve sealing systems
- Chemical processing equipment
- Automotive components
- Construction machinery
- Agricultural equipment
- Mining machinery
- Aerospace auxiliary systems
- Water treatment systems
These sealing products provide reliable leakage prevention and stable performance in demanding industrial operating conditions.
Custom O-Ring Manufacturing Solutions
SHAANXI GOLD-STONE provides OEM and custom sealing solutions based on customer requirements.
Customization Services
- Custom O-ring dimensions
- Special rubber formulations
- High-temperature sealing solutions
- Chemical-resistant compounds
- FDA-grade materials
- High-pressure sealing designs
- Large-diameter O-ring production
- Precision micro O-ring manufacturing
Why Choose SHAANXI GOLD-STONE
SHAANXI GOLD-STONE specializes in industrial sealing technology and precision rubber manufacturing for global industrial customers.
Our Advantages
- Advanced rubber compounding technology
- Precision molding equipment
- Stable product quality
- Strict dimensional control
- OEM & ODM manufacturing capability
- Fast custom production support
- Professional export experience
We provide reliable sealing products for industrial, hydraulic, automotive, chemical, and energy applications worldwide.