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4K Component mechanical seal

Component mechanical seal 4K

For the KWP pump type series. Single, balanced component seal, stationary design. The seal can optionally also be operated with unpressurised quench liquid.
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Main Applications

  • Waste water containing stringy material and abrasive particles

Technical Data

Cartridge seal
No
Design
Stationary
Balancing
Balanced mechanical seal
Sealing type
Single
Maximum allowable fluid temperature
150 °C

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Benefits

  • The seal is tailored to the seal installation space of the pump and therefore perfectly suitable for fluids with a high solids content.
  • Stationary design; multiple springs located outside the fluid handled The large springs are insensitive to contamination and provide uniform surface pressure across the seal faces, thus ensuring a long service life.
  • Can optionally also be operated with unpressurised buffer fluid

Technical Data

Maximum allowable axial movement
2 mm
Minimum allowable axial movement
-2 mm
Component type series
KSB KWP-NC [A]
Cartridge seal
No
Maximum allowable dynamic pressure
25 bar
Design
Stationary
Balancing
Balanced mechanical seal
Sealing type
Single
Mtrl metallic compon.mech.seal
1.4501,
1.4539,
1.4462
Mtrl mech.seal spring
1.4571,
2.4610
Mtrl Secondary seal inboard
FKM,
EPDM,
K/M1 [FFKM/FKM, DOUBLE PTFE WRAPPED (FDA)]
Mtrl Mating ring inboard
Q1 [SIC, DRUCKLOS GESINTERT],
U1 [TUNGSTEN CARBIDES, CO-BONDED]
Mtrl Primary ring inboard
Q1 [SIC, DRUCKLOS GESINTERT],
U1 [TUNGSTEN CARBIDES, CO-BONDED]
Direction of rotation
Bi-directional
Maximum allowable sliding velocity
16 m/s
Spring design
Multiple springs
Maximum allowable static pressure
37.5 bar
Maximum allowable fluid temperature
150 °C
Minimum allowable fluid temperature
-15 °C

Sectional Drawings

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