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4EDTMP Pump-specific cartridge mechanical seal

Pump-specific cartridge mechanical seal 4EDTMP

For the RPH pump type series. Single cartridge seal, dynamic design. Specially developed for hot water applications. The seal comes with a floating throttling bush as standard for use with a gas or steam quench.

Main Applications

  • Feed water in power stations
  • Handling condensate in power stations

Technical Data

Cartridge seal
Yes
Design
Dynamic
Balancing
Balanced mechanical seal
Sealing type
Single
Maximum allowable fluid temperature
260 °C

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Benefits

  • Single mechanical seal, specially developed for hot water applications, with hook sleeve and "thermal barrier".
  • The cooled pump cover and cooler (Plan 23) ensure optimum operating conditions in the seal chamber.
  • The mechanical seal comes with a floating throttling bush as standard for use with a gas or a steam quench.

Technical Data

Maximum allowable axial movement
2 mm
Minimum allowable axial movement
-2 mm
Component type series
KSB RPH [B]
Cartridge seal
Yes
Maximum allowable dynamic pressure
63 bar
Design
Dynamic
Balancing
Balanced mechanical seal
Sealing type
Single
Mtrl metallic compon.mech.seal
X6CRNIMOTI17-12-2
Mtrl mech.seal spring
NIMO16CR16TI
Mtrl Secondary seal inboard
ETHYLENE-PROPYLENE-DIENE-RUBBER,
PERFLUORO-RUBBER
Mtrl Mating ring inboard
Q1 [SIC, DRUCKLOS GESINTERT]
Mtrl Primary ring inboard
A [CARBON, METAL-IMPREGNATED]
Direction of rotation
Clockwise rotation
Maximum allowable sliding velocity
23 m/s
Spring design
Multiple springs
Maximum allowable static pressure
63 bar
Maximum allowable fluid temperature
260 °C
Minimum allowable fluid temperature
-40 °C

Sectional Drawings

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