Custom Size EPDM Rubber O Ring, Leak-Proof EPDM O-Ring, Various Rubber Materials for Valve, Pump and General Industrial Sealing

Our EPDM O-rings are precision molded from high-quality ethylene propylene diene monomer rubber, delivering dependable sealing performance for demanding industrial environments. We also supply O-rings made of NBR, Silicone, and FKM to accommodate different working media and temperature requirements.

EPDM material features outstanding resistance to ozone, UV rays, weather aging, hot water, and steam. It retains stable elasticity and reliable sealing performance over a broad temperature range, effectively stopping gas and liquid leakage.

These EPDM O-rings are widely used in water treatment, HVAC, plumbing, pneumatic equipment, and automotive cooling systems. Custom sizes and hardness options are available for industrial wholesale and engineering projects.

• Made of premium EPDM rubber; alternative materials NBR, Silicone, and FKM are available for various working conditions
• Excellent resistance to ozone, UV light, and weather aging — ideal for long-term outdoor service
• Superior hot water and steam resistance, ideal for water and aqueous medium sealing
• Good elasticity and compression recovery, maintaining tight sealing under repeated pressure
• Wide operating temperature range with stable sealing performance in both low and high temperature environments
• Leak-proof performance that effectively prevents gas and liquid leakage
• Custom sizes, cross-sections, and hardness can be produced to meet diverse industrial demands
• Good compatibility with polar fluids such as alcohols and ketones

• Water treatment systems: sealing for water pumps, valves, pipe joints, and filter assemblies
• HVAC industry: air conditioning, heating, and refrigeration pipeline connections
• Pneumatic equipment: air cylinders, air compressors, and air control valves
• Automotive parts: engine cooling circuits and windshield washer systems
• Plumbing & sanitary industry: faucets, showers, and potable water pipeline seals
• Outdoor machinery & solar equipment: working environments exposed to ozone and UV rays
• General industrial equipment: machinery for hot water, steam, and polar chemical media

Product technical support and services for the EPDM O-ring include:

• Assistance with product selection and compatibility
• Guidance on installation and maintenance
• Troubleshooting assistance for any issues
• Recommendations for optimal usage and performance
• Training programs for proper handling and application

The EPDM O-rings are carefully packaged in a sealed plastic bag to protect them from dust and moisture during storage and transportation.

Our EPDM O-rings are shipped in sturdy cardboard boxes to prevent damage during transit. Each box is labeled with the product name and quantity for easy identification.