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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.
Spare Parts
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Main Applications

  • Untreated sewage

Technical Data

Cartridge seal
Yes
Design
Stationary
Balancing
Balanced mechanical seal
Sealing type
Double
Maximum allowable fluid temperature
100 °C

Benefits

  • 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.

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Founded in 1871 in Frankenthal (Germany), KSB has been one of the leading suppliers of pumps and industrial valves for over 150 years. With more than 16.000 employees worldwide and its own sales and marketing, manufacturing facilities and service operations, KSB develops and produces custom-fit pumps for various applications.

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