Recommended applications
Centrifugal pumps, screw pumps and other special pumps.
Product features
● API 682 Category 2 and 3, Type B, Arrangement 1 seal
● Single, metal bellows, balanced, stationary, cartridge seal
● Various types of pump rings available
● Absence of dynamic O-Ring eleminates seal face hang-up
● Floating throttle bushing 
● Cartridge designs to allow easy installation and maintenace
● Modular designs allowing easy part replacement, low maintenance cost
Operating limits
● Pressure: 0~25bar
● Temperature: -40~176℃（260℃）
● Sliding velocity: ≤25m/s
● Shaft diameter: 20~110mm