4STC Component mechanical seal

Component mechanical seal 4STC

For the Sewatec, Amarex KRT and AmaCan pump type series. Single, balanced component seal, stationary design. The springs are located outside the fluid handled.
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Main Applications

  • Untreated sewage

Technical Data

Cartridge seal
No
Design Mechanical seal
Stationary
Mechanical seal type
Balanced mechanical seal
Sealing type Mechanical seal
Single
Max allowed fluid temp TSG
200 °C

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Benefits

  • Single component seal, stationary design.
  • The springs are located outside the fluid handled and therefore protected from contamination.
  • The primary ring of the seal has been secured against falling out, making installation in vertically installed pumps easier.

Technical Data

Max allowable axial movem TSG
2 mm
Min allowable axial movem TSG
-2 mm
Component type series
KSB Amarex KRT [B],
KSB Amacan [A],
KSB Sewatec [B]
Cartridge seal
No
Max allow.dynamic pressure TSG
14 bar
Design Mechanical seal
Stationary
Mechanical seal type
Balanced mechanical seal
Sealing type Mechanical seal
Single
Mtrl metallic compon.mech.seal
1.4501,
1.4571
Mtrl mech.seal spring
1.4571,
2.4610
Mtrl Secondary seal inboard
FKM,
EPDM
Mtrl Mating ring inboard
Q1 [SIC, DRUCKLOS GESINTERT]
Mtrl Primary ring inboard
A,
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
16 bar
Max allowed fluid temp TSG
200 °C
Min allowed fluid temp TSG
-40 °C

Sectional Drawings

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