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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
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,
PERFLUORO-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
37.5 bar
Maximum allowable fluid temperature
150 °C
Minimum allowable fluid temperature
-15 °C

Sectional Drawings

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