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4C/4CN Component mechanical seal

Component mechanical seal 4C/4CN

For the CPK/CPKN pump type series. Single, balanced component seal, stationary design. Multiple springs located outside the fluid handled.
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Main Applications

  • Chemical industry
  • Petrochemical industry

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

  • Tailored to the conical seal installation space of the pump (A-type cover). Suitable for fluids with solids content.
  • Stationary design; multiple springs located outside the fluid handled The large springs are insensitive to contamination and ensure an optimal service life.
  • Can optionally also be operated with unpressurised buffer fluid

Technical Data

Maximum allowable axial movement
1.5 mm
Minimum allowable axial movement
-1.5 mm
Component type series
KSB CPK [9],
KSB CPKN [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,
FFKM
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
37.5 bar
Maximum allowable fluid temperature
150 °C
Minimum allowable fluid temperature
-15 °C

Sectional Drawings

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