Type 58B O-ring Pusher Seals | John Crane Mechanical Seals
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Type 58B

General Purpose DIN Balanced, Multi-spring, O-ring Pusher Seal

High-pressure Elastomer O-ring Seal

A DIN seal for general- and high-pressure duties in the processing, refinery and petrochemical industries. Alternative seat designs and material options are available to suit product and operating conditions of applications. Typical applications include oils, solvents, water and refrigerants, in addition to a multitude of chemical solutions.


  • California Residents: PROPOSITION 65 WARNING
  • Complies with European Standard EN 12756, formally DIN 24960, ISO 3069 and API 610 specification
  • A versatile design with multiple material options for the widest range of liquids and temperatures
  • A balanced seal with the advantage of being very short and fits within the DIN 24960 L1K operating length when used with a suitable seat


Temperature Limits

-40°F to 445°F/-40°C to 230°C

Pressure Limits

900 psi(g)/62 bar(g)

Speed Limits


Recommended Applications

  • 流程泵
  • 其他转动设备

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