4ES Pump-specific cartridge mechanical seal

Pump-specific cartridge mechanical seal 4ES

For the Etanorm-R pump type series. Single cartridge seal in stationary design. The large springs are located outside the fluid handled and thus protected from contamination.
Запасні частини

Main Applications

  • Drinking water
  • Service water
  • Hot water

Technical Data

Cartridge seal
Yes
Design Mechanical seal
Stationary
Mechanical seal type
Balanced mechanical seal
Sealing type Mechanical seal
Single
Max allowed fluid temp TSG
140 °C

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Benefits

  • Stationary, robust seal design
  • The large springs with high axial mobility are located outside the fluid handled and thus protected from contamination.
  • The mechanical seal cover is centred on the pump cover and confines the gasket.

Technical Data

Max allowable axial movem TSG
1.5 mm
Min allowable axial movem TSG
-1.5 mm
Component type series
KSB Etanorm-R [B]
Cartridge seal
Yes
Max allow.dynamic pressure TSG
16 bar
Design Mechanical seal
Stationary
Mechanical seal type
Balanced mechanical seal
Sealing type Mechanical seal
Single
Mtrl metallic compon.mech.seal
1.4571
Mtrl mech.seal spring
1.4571
Mtrl Secondary seal inboard
FKM,
EPDM
Mtrl Mating ring inboard
A [CARBON, METAL-IMPREGNATED],
B [CARBON, RESIN-IMPREGNATED],
Q1 [SIC, DRUCKLOS GESINTERT]
Mtrl Primary ring inboard
Q1 [SIC, DRUCKLOS GESINTERT]
Dir of rotation Mech seal
Bi-directional
Max allow.sliding speed TSG
16 m/s
Spring design Mechanical seal
Multiple springs
Max allow.static pressure TSG
24 bar
Max allowed fluid temp TSG
140 °C
Min allowed fluid temp TSG
-40 °C

Sectional Drawings

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