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