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4KBL Component mechanical seal

Component mechanical seal 4KBL

For the KWP-Bloc pump type series. Single, balanced component seal, dynamic design.
Spare Parts

Main Applications

  • Waste water containing stringy material and abrasive particles

Technical Data

Cartridge seal
No
Design
Dynamic
Balancing
Balanced mechanical seal
Sealing type
Single
Maximum allowable fluid temperature
100 °C

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Benefits

  • The single balanced mechanical seal is suitable for applications with a high solids content.
  • Dynamic design; multiple springs located outside the fluid handled. The springs are insensitive to contamination and provide uniform surface pressure across the seal faces, thus ensuring a long service life.
  • Easy to install, no adjusting dimension required The pump's shaft protecting sleeve is integrated in the mechanical seal.

Technical Data

Maximum allowable axial movement
1.5 mm
Minimum allowable axial movement
-1.5 mm
Component type series
KSB KWP-BC [A]
Cartridge seal
No
Maximum allowable dynamic pressure
25 bar
Design
Dynamic
Balancing
Balanced mechanical seal
Sealing type
Single
Mtrl metallic compon.mech.seal
1.4462
Mtrl mech.seal spring
1.4571
Mtrl Secondary seal inboard
FKM,
FFKM
Mtrl Mating ring inboard
Q1 [SIC, DRUCKLOS GESINTERT],
U2 [TUNGSTEN CARBIDE, NI-BINDER]
Mtrl Primary ring inboard
Q1 [SIC, DRUCKLOS GESINTERT],
U2 [TUNGSTEN CARBIDE, NI-BINDER]
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
100 °C
Minimum allowable fluid temperature
-15 °C

Sectional Drawings

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