4ESD Pump-specific cartridge mechanical seal

Pump-specific cartridge mechanical seal 4ESD

For the Etanorm-R pump type series. Double, balanced cartridge seal, stationary (inboard) and dynamic (outboard) design.
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
Double
Max allowed fluid temp TSG
140 °C

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Benefits

  • Inboard seal in stationary design, outboard seal in dynamic design. The double mechanical seal's cartridge can be operated with either unpressurised buffer fluid or pressurised barrier fluid.
  • The springs are located outside the fluid handled.
  • G 1/4" barrier fluid inlet, outlet and drain connections

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
25 bar
Design Mechanical seal
Stationary
Mechanical seal type
Balanced mechanical seal
Sealing type Mechanical seal
Double
Mtrl metallic compon.mech.seal
1.4571
Mtrl mech.seal spring
1.4571
Mtrl Secondary seal outboard
FKM,
EPDM,
K/M1 [FFKM/FKM, DOUBLE PTFE WRAPPED (FDA)]
Mtrl Secondary seal inboard
FKM,
EPDM,
K/M1 [FFKM/FKM, DOUBLE PTFE WRAPPED (FDA)]
Mtrl Mating ring outboard
B [CARBON, RESIN-IMPREGNATED]
Mtrl Mating ring inboard
Q1 [SIC, DRUCKLOS GESINTERT]
Mtrl Primary ring outboard
1.4122
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
37.5 bar
Max allowed fluid temp TSG
140 °C
Min allowed fluid temp TSG
-40 °C

Sectional Drawings

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