Single Coil Spring Unbalanced Seal

Single spring pusher seals

Single Coil Spring Unbalanced Seal

  • Shaft10 to 100 mm
  • Pressure10 bar (max)
  • Temperature−20 to 150 °C

The Single Coil Spring Unbalanced Mechanical Seal is a rugged, cost-effective sealing solution designed for low-to-medium pressure applications. Featuring a thick, heavy-duty single coil spring, this pusher-type seal resists clogging and easily accommodates shaft misalignment, making it highly reliable in harsh, dirty environments.

Generally used in

Refineries, fertilizer plants, nuclear plants and petroleum pipelines.

Material configurations
Seal facesCarbon / TC / SiC vs Ceramic / SiC
Secondary sealsViton / PTFE / GFT / PTV / EPDM / NBR
Metal partsSS-316, SS-304, 904L, Alloy 20, Hastelloy
Operating capabilities
Shaft diameter10 to 100 mm
Pressure10 bar (max)
Temperature−20 to 150 °C
Speed2900 rpm (max)

Custom sizes and material combinations are made to your drawing. Confirm duty conditions with us before ordering.

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