Advanced Sealing Technology
Under high-speed and high-frequency operating conditions, sealing performance is a key factor determining the reliability and service life of a solenoid valve. Each opening and closing cycle subjects the sealing system to repeated compression, friction, temperature variation, and exposure to different process media.
To ensure long-term sealing stability, Supai develops sealing solutions through integrated material formulation, precision manufacturing processes, and strict verification standards. Material selection and design focus on critical performance indicators such as media compatibility, thermal aging resistance, compression set, elastic recovery, wear resistance, and chemical corrosion resistance.
Through continuous engineering optimization and validation under real operating conditions, Supai sealing systems maintain stable sealing performance and low leakage even during long-term high-frequency operation, ensuring reliable performance across a wide range of industrial environments.
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Professional Vulcanization Technology
Formulations tailored to operating conditions: modified sealing formulations are developed based on specific application requirements, including resistance to oil, water, and high temperatures.
Performance-driven material selection: material selection focuses on key performance indicators such as resilience, compression set, media compatibility, and dimensional consistency.
Process-controlled service life: a stable and controllable vulcanization molding process ensures reliable sealing performance, low leakage, and extended service life.
Conventional Sealing Materials
High stability and long service life.
Suitable for general air systems and light oil/gas applications.
Wide adaptability across operating conditions.
Ultra-low Temperature Sealing (-55℃)
Maintains flexibility even at -55℃.
No hardening and no cracking at low temperatures.
Designed specifically for air valves, extreme cold outdoor equipment, rail transportation applications.
Standard NBR Seals
Wear-resistant and oil-resistant, with strong resistance to air-compressor condensate.
High elasticity with excellent resistance to aging.
Suitable for low-temperature environments and rail transportation applications.
HNBR High-Temperature, High-Durability Sealing
Excellent resistance to heat, oil, and chemical corrosion.
Minimal deformation during high-frequency operation.
FKM Fluororubber Seals
Excellent resistance to oil, acids, and corrosive media.
Suitable for long-term operation in high-temperature environments up to 100 °C.
Extremely low gas permeability.
High-Rebound Sealing
Extremely fast elastic recovery for stable high-frequency operation.
No collapse and minimal deformation.
Maintains stable sealing performance in environments with dust, humidity, and condensate.
