4RDQ Pump-specific cartridge mechanical seal

Pump-specific cartridge mechanical seal 4RDQ

For the RDLO pump type series. Double, balanced cartridge seal, dynamic design. Especially designed for applications with negative suction pressure.
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Aplikasi utama

  • Raw water
  • Pure water
  • Service water

Data teknis

Cartridge seal
Yes
Design Mechanical seal
Dynamic
Mechanical seal type
Balanced mechanical seal
Sealing type Mechanical seal
Double
Max allowed fluid temp TSG
130 °C

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Manfaat

  • Double cartridge seal especially designed for applications with negative suction pressure
  • The primary ring is shrink-fitted into the metal primary ring carrier. This ensures even and stable contact.

Data teknis

Max allowable axial movem TSG
2.5 mm
Min allowable axial movem TSG
-2.5 mm
Component type series
KSB RDLO [A]
Cartridge seal
Yes
Max allow.dynamic pressure TSG
16 bar
Design Mechanical seal
Dynamic
Mechanical seal type
Balanced mechanical seal
Sealing type Mechanical seal
Double
Mtrl metallic compon.mech.seal
1.4571
Mtrl mech.seal spring
2.4610
Mtrl Secondary seal outboard
FKM,
EPDM
Mtrl Secondary seal inboard
FKM,
EPDM
Mtrl Mating ring outboard
Q1 [SIC, DRUCKLOS GESINTERT]
Mtrl Mating ring inboard
Q1 [SIC, DRUCKLOS GESINTERT]
Mtrl Primary ring outboard
B [CARBON, RESIN-IMPREGNATED]
Mtrl Primary ring inboard
B [CARBON, RESIN-IMPREGNATED],
Q1 [SIC, DRUCKLOS GESINTERT]
Dir of rotation Mech seal
Bi-directional
Max allow.sliding speed TSG
10 m/s
Spring design Mechanical seal
Multiple springs
Max allow.static pressure TSG
24 bar
Max allowed fluid temp TSG
130 °C
Min allowed fluid temp TSG
-15 °C

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