4STQ Pump-specific cartridge mechanical seal

Pump-specific cartridge mechanical seal 4STQ

For the Sewatec/Sewabloc and Amarex KRT pump type series. Double, balanced cartridge seal, stationary design. Springs located outside the fluid handled in the oil reservoir.
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주 사용 용도

  • Untreated sewage

기술 데이터

Cartridge seal
Yes
Design Mechanical seal
Stationary
Mechanical seal type
Balanced mechanical seal
Sealing type Mechanical seal
Double
Max allowed fluid temp TSG
100 °C

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혜택

  • Double mechanical seal in tandem arrangement, can be installed as one unit, bi-directional and balanced.
  • Stationary design, springs located outside the fluid handled in the oil reservoir The springs are insensitive to contamination and provide uniform surface pressure across the seal faces, thus ensuring a long service life.
  • Tailored to the seal installation space and requirements of the pump.

기술 데이터

Max allowable axial movem TSG
2 mm
Min allowable axial movem TSG
-2 mm
Component type series
KSB Amarex KRT [B],
KSB Sewabloc [B],
KSB Sewatec [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
Double
Mtrl metallic compon.mech.seal
1.4122
Mtrl mech.seal spring
1.4571,
2.4610
Mtrl Secondary seal outboard
FKM
Mtrl Secondary seal inboard
FKM
Mtrl Mating ring outboard
Q1 [SIC, DRUCKLOS GESINTERT],
U2 [TUNGSTEN CARBIDE, NI-BINDER]
Mtrl Mating ring inboard
Q1 [SIC, DRUCKLOS GESINTERT]
Mtrl Primary ring outboard
Q1 [SIC, DRUCKLOS GESINTERT]
Mtrl Primary ring inboard
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
20 bar
Max allowed fluid temp TSG
100 °C
Min allowed fluid temp TSG
-40 °C

단면도

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