1.Applications
Designed for sealing high viscosity and high temperature process medium
2.Structure Features
Rotary metal bellows
Good self balance performance
Fork type torque driving
In accordance with technical specification of API682 C
3.Operating Parameters
Temperature: -75°C to +425°C
(-100°F to +800°F)
Pressure: Single: to 25bar
Double-ply: to 40bar
Speed: to 25m/s