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4HG Component mechanical seal

Component mechanical seal 4HG

For the HGM-RO pump type series. Single, balanced component seal, dynamic design.

Main Applications

  • Seawater

Technical Data

Cartridge seal
No
Design
Dynamic
Balancing
Balanced mechanical seal
Sealing type
Single
Maximum allowable fluid temperature
220 °C

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Benefits

  • Tailored to the seal installation space and requirements of the pump. The shaft protecting sleeve is integrated in the mechanical seal.
  • Dynamic design with multi-spring arrangement, robust and practical seal design.
  • The modular seal design facilitates installation without assembly fixtures or adjusting dimension, ensuring optimal pre-loading of the mechanical seal.

Technical Data

Maximum allowable axial movement
2 mm
Minimum allowable axial movement
-2 mm
Component type series
KSB HGM-RO [A]
Cartridge seal
No
Maximum allowable dynamic pressure
6 bar
Design
Dynamic
Balancing
Balanced mechanical seal
Sealing type
Single
Mtrl metallic compon.mech.seal
X2CRNIMOCUWN25-7-4
Mtrl mech.seal spring
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
25 bar
Maximum allowable fluid temperature
220 °C
Minimum allowable fluid temperature
-40 °C

Sectional Drawings

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