EZ-1® Metal Bellows Seals | John Crane Mechanical Seals
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General-purpose Single Cartridge Metal Bellows Seal

The EZ-1® universal package adapts easily to most media, as key markets include chemical, pulp and paper, wastewater, food processing and power generation. The benefits of the EZ-1 include: flush port versatility; corrosion-resistant Alloy-20 or Alloy C-276 bellows; availability with hard faces for abrasive media; unique design that minimizes the number of O-rings; enlarged seal chamber version available; and self-centering, slide-on-and-tighten cartridge design for fast and easy installation.



  • California Residents: PROPOSITION 65 WARNING
  • Fits ANSI standard and enlarged bore seal chamber and DIN pumps.
  • Compact and easy to install.
  • Only one moving part: the bellows.
  • Eliminates O-ring "hang-up" problems.
  • Self-cleaning bellows design.
  • No small springs to clog.
  • Flush-port versatility.
  • Available in Alloy-20 or Alloy C-276.
  • Available with hard-face combination for abrasive services.


Temperature Limits

-20°F to 400°F/-30°C to 200°C

Pressure Limits

Vacuum to 300 psi(g)/20 bar(g)

Speed Limits


Recommended Applications

  • 流程泵
  • 其他转动设备

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