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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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Čechy     241 090 213
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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
1.4571
Mtrl mech.seal spring
2.4610
Mtrl Secondary seal inboard
EPDM,
FFKM
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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