PFK
Balanced type rotary seal
One-coil spring
Clutch type
VC-ring type (PTFE)
Balanced one-coil spring seal that is hardly affected by corrosion and slurry. This seal uses a PTFE VC-ring, and provides a clutch mechanism to transmit seal rotation torque, thus overcoming the disadvantages of spring-driven seals.
This seal has a knife edge structure for handling high-viscosity liquids.
High-viscosity fluid, fluid containing slurry, crystalline fluid
Pressure: 1.0 MPaG
Peripheral velocity: 15m/s
nominal size: φ22 to φ130
Mechanical seals/Non-Cartridge mechanical seals