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4RPS Pump-specific cartridge mechanical seal

Pump-specific cartridge mechanical seal 4RPS

For the RPH-RO pump type series. Single balanced cartridge seal in stationary design.

Main Applications

  • Seawater

Technical Data

Cartridge seal
Yes
Design
Stationary
Balancing
Balanced mechanical seal
Sealing type
Single
Maximum allowable fluid temperature
100 °C

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Benefits

  • The single cartridge seal features a quench connection for flushing out leakage on the atmospheric side.
  • Tailored to the seal installation space and requirements of the RPH-RO pump type series
  • A floating throttling ring provides additional safety.

Technical Data

Maximum allowable axial movement
1.5 mm
Minimum allowable axial movement
-1.5 mm
Component type series
KSB RPH-RO [A]
Cartridge seal
Yes
Maximum allowable dynamic pressure
70 bar
Design
Stationary
Balancing
Balanced mechanical seal
Sealing type
Single
Mtrl metallic compon.mech.seal
1.4501,
1.4462
Mtrl mech.seal spring
2.4610
Mtrl Secondary seal inboard
FKM
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
100 bar
Maximum allowable fluid temperature
100 °C
Minimum allowable fluid temperature
-15 °C

Sectional Drawings

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