Recommended applications
Centrifugal compressors, screw compressors, fans. Toxic, harmful, flammable medium. Petrochemical, chemical, power, oil gas, natural gas industry.
Product features
● Face to back, multiple springs, balanced, cartridge seal
● Gas-lubricated, non-contacting, wear-free operation, low leakage, long life, self-adjusting
● Designed to prevent the product leakage into the atmosphere 
● Spring energized rings used under high pressure
● Ability to operate in low speed by using special materials of seal ring
● Bi-directional grooves for operating in clockwise or counterclockwise rotation
● Zero leakage, zero emissons, no environmental pollution
● Cartridge designs to allow easy installation and maintenace
● Modular designs allowing easy part replacement, low maintenance cost
Operating limits
● Pressure: 0~450bar
● Temperature: -150~260℃
● Sliding velocity: ≤200m/s 
● Shaft diameter: 40~300mm