We manufacture and supply OEM-grade compatible Stal O-Rings engineered for demanding compressor environments. These sealing components protect critical assemblies by maintaining consistent barrier integrity under fluctuating pressures. Moreover, each O-Ring supports stable performance through optimized elastomer behavior during continuous mechanical movement. Designed with precision molding processes, the rings deliver reliable sealing efficiency across varied temperature conditions. Consequently, your compressor experiences fewer leaks and reduced maintenance interruptions.
Our production team shapes every O-Ring using advanced injection-molding systems that ensure dimensional uniformity. Additionally, compound blending procedures follow strict formulation ratios that improve elasticity and structural memory. Quality engineers then measure compression set values using calibrated test equipment to verify long-term sealing resilience. Furthermore, specialized curing cycles enhance thermal resistance when exposed to elevated compressor discharge temperatures. These steps allow our O-Rings to perform consistently through extended operational timelines.
Each O-Ring contributes to precise sealing within Stal compressor assemblies by maintaining stable contact pressure. High-grade elastomers resist chemical degradation caused by refrigerants, lubricants, and industrial gases. Along with chemical resistance, the material structure limits swelling, which eventually prevents dimensional distortion. Friction reduction additives integrated into the compound help minimize heat buildup during continuous movement. Ultimately, operators gain improved operational stability, reduced downtime, and longer service intervals.
Wide operational suitability allows our Stal-compatible O-Rings to support refrigeration plants, processing facilities, and cold-chain operations. Petrochemical stations also rely on these components for accurate sealing under dynamic conditions. As a result, maintenance teams benefit from dependable sealing performance across varied machinery configurations.
• Elastomer Type: NBR / HNBR engineered blends
• Hardness Rating: 65–75 Shore A
• Chemical Resistance: Refrigerants, compressor oils, hydrocarbons
• Thermal Tolerance: −30°C to +150°C depending on compound
• Cross-Section Range: 2.0–8.0 mm
• Inner Diameter Options: 15–180 mm
• Tolerance Standard: ISO 3601 Class B
• Surface Profile: Smooth molded finish with micro-polished edges
• Compression Set: ≤18% after 24 hours at test temperature
• Tensile Strength: ≥12 MPa
• Elongation at Break: ≥250%
• Gas Permeability: Low-permeation compound formulation
• Visual Testing: Surface integrity and flash removal verification
• Dimensional Checks: Digital caliper and vision-system measurement
• Cure Assessment: Post-cure stability evaluation
• Compliance Level: OEM-grade Stal equivalent sealing parameters