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4KC Pump-specific cartridge mechanical seal

Pump-specific cartridge mechanical seal 4KC

For the KWP pump type series. Single balanced cartridge seal in stationary design.
Spare Parts
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Main Applications

  • Waste water containing stringy material and abrasive particles

Technical Data

Cartridge seal
Yes
Design
Stationary
Balancing
Balanced mechanical seal
Sealing type
Single
Maximum allowable fluid temperature
200 °C

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Benefits

  • This single cartridge seal includes the shaft protecting sleeve for the pump and can be fitted without adjusting dimension.
  • Given the stationary design, the springs are located outside the fluid handled and thus protected from contamination.

Technical Data

Maximum allowable axial movement
1.5 mm
Minimum allowable axial movement
-1.5 mm
Component type series
KSB KWP-NC [A]
Cartridge seal
Yes
Maximum allowable dynamic pressure
16 bar
Design
Stationary
Balancing
Balanced mechanical seal
Sealing type
Single
Mtrl metallic compon.mech.seal
1.4501,
1.4462
Mtrl mech.seal spring
1.4571,
2.4610
Mtrl Secondary seal inboard
FKM
Mtrl Mating ring inboard
Q1 [SIC, DRUCKLOS GESINTERT]
Mtrl Primary ring inboard
Q1 [SIC, DRUCKLOS GESINTERT]
Direction of rotation
Bi-directional
Maximum allowable sliding velocity
20 m/s
Spring design
Multiple springs
Maximum allowable static pressure
24 bar
Maximum allowable fluid temperature
200 °C
Minimum allowable fluid temperature
-40 °C

Sectional Drawings

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