type 58U John crane

O-ring Pusher seals | Heavy-duty Cartridge Seal for Boiler Feed Circuit Applications

type 58U John crane

Features mechanical seal type 58U

  • 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
  • An unbalanced seal with the advantage of being very short and fits within the DIN 24960 L1K operating length when used with a suitable seat

Recommended Applications type 58U

  • Process pumps
  • Other rotating equipment

About Mechanical seal type 58U

A DIN seal for general low- to medium-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.

Operating range mechanical seal type 58U

  • Temperature Limits

    -40°F to 445°F/-40°C to 230°C


  • Pressure Limits

    247 psi(g)/17 bar(g)


  • Speed Limits