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UNITAS S Cartridge seal

Cartridge seal UNITAS S

Single balanced cartridge seal in stationary design. Designed for universal use in the seal installation spaces of various pump manufacturers. Pump-specific seal variants available with centring diameter on the seal cover, ensuring an optimum radial installation position of the mechanical seal in KSB pump type series.
Spare Parts

Main Applications

  • Universal use

Technical Data

Cartridge seal
Yes
Design
Stationary
Balancing
Balanced mechanical seal
Sealing type
Single
Maximum allowable fluid temperature
220 °C

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Benefits

  • Given the stationary design, the springs are located outside the fluid handled and thus protected from contamination.
  • Increased axial movement
  • For universal use; further sizes and pump-specific variants on request

Technical Data

Maximum allowable axial movement
1.5 mm
Minimum allowable axial movement
-1.5 mm
Component type series
KSB MegaCPK [B],
KSB Omega [A]
Cartridge seal
Yes
Maximum allowable dynamic pressure
25 bar
Design
Stationary
Balancing
Balanced mechanical seal
Sealing type
Single
Modular type series
KSB UNITAS S [A]
Mtrl metallic compon.mech.seal
1.4501,
1.4571
Mtrl mech.seal spring
2.4610
Mtrl Secondary seal inboard
FKM,
EPDM,
FFKM
Mtrl Mating ring inboard
Q1 [SIC, DRUCKLOS GESINTERT]
Mtrl Primary ring inboard
A [CARBON, METAL-IMPREGNATED],
B [CARBON, RESIN-IMPREGNATED],
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
220 °C
Minimum allowable fluid temperature
-40 °C

Sectional Drawings

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