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Type 6

Low-pressure Elastomer Bellows Unitized Seal Head for Small-diameter Pumps

This compact, unitized, single-spring, elastomer bellows mechanical seal is designed for use in small centrifugal water pumps, deep- and shallow-well jet pumps, pool and spa pumps and wastewater pumps.

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6 lg


  • One-piece unitized design enhances production line installation and allows for ease of replacement.
  • Precision surface finish optimizes the service life and reliability. Materials designed to meet the broadest range of applications.
  • Elastomer drive ring grips shaft to provide positive sealing and drive without set screws or drive pins.
  • Full convolution elastomer bellows provides maximum flexibility in compensating for shaft movement and wear.
  • Coil spring and ferrules provide consistent face loading through extreme working conditions.


Temperature Limits

-40°F to 400°F/-40°C to 205°C (depending on materials used)

Pressure Limits

ID: 7.20 psi(g)/0.5 bar(g)

OD: 75 psi(g)/5 bar(g)

Speed Limits


Up to 3600 rpm, depending on configuration and shaft size

Recommended Applications

  • Process Pumps
  • Other Rotating Equipment

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