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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
X2CRNIMOCUWN25-7-4,
X1NICRMOCU25-20-5,
X2CRNIMON22-5-3
Mtrl mech.seal spring
X6CRNIMOTI17-12-2,
NIMO16CR16TI
Mtrl Secondary seal inboard
FLUORINATED RUBBER,
ETHYLENE-PROPYLENE-DIENE-RUBBER,
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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