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4WS Pump-specific cartridge mechanical seal

Pump-specific cartridge mechanical seal 4WS

For the WKT, WK, WL, WKS pump types series. Single balanced cartridge seal, dynamic design.
Spare Parts
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Main Applications

  • Handling condensate in power stations

Technical Data

Cartridge seal
Yes
Design
Dynamic
Balancing
Balanced mechanical seal
Sealing type
Single
Maximum allowable fluid temperature
220 °C

Benefits

  • The balanced cartridge seal 4WS is available with a throttling bush for connection of a gas or steam quench as standard.
  • Suitable for suction pressures up to -1 bar.
  • High temperatures are accommodated by the 4WSC seal with cooled mating ring. A variant with pumping ring for Plan 23 is also available.