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4EYS Mechanical seal according to DIN EN 12756

Mechanical seal according to DIN EN 12756 4EYS

For the Etanorm SYT/Etabloc SYT/Etaline SYT pump type series. Single, unbalanced component seal, dynamic design. Solid primary rings designed to maintain an optimum lubricating film between the seal faces also at high pressures and temperatures. 4EYT variant in tandem arrangement also for use as a double mechanical seal.
Spare Parts
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Main Applications

  • Heat transfer systems
  • Hot water circulation

Technical Data

Cartridge seal
No
Design
Dynamic
Balancing
Unbalanced mechanical seal
Sealing type
Single
Maximum allowable fluid temperature
140 °C

Benefits

  • In combination with the pump's design, the seal can be used for fluid temperatures of up to 350 °C. The complete Etanorm SYT application range can thus reliably be covered with this mechanical seal.
  • With the multi-spring arrangement the axial spring force is evenly distributed over the entire circumference of the primary ring. This minimises wear and contributes to a long seal life.
  • The solid primary ring is designed to maintain an optimum lubricating film between the seal faces also at high pressures and temperatures.

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