San Francisco

Compact elastomer bellows seals

Mechanical seal SAN FRANCISCO (compact elastomer bellows seals)

Technical features

  • Single seal
  • Unbalanced
  • Bi-directional
  • Spring enclosed
  • Elastomer bellows

Operating limits

  • P = 87 PSI
  • T = -95 to 320°F
  • V = 32 ft/s
Description Materials
Primary rings silicon carbide, tungsten carbide, carbon graphite, phenolic graphite
Mating rings silicon carbide, ceramic, tungsten carbide
Secondary seal NBR, EPDM, Viton
Metal parts Stainless 304
Mechanical seal SAN FRANCISCO (technical drawing)

Product description

Compact, unitized, single spring, elastomer bellows seal. The factory-assembled, one piece design permits fast, easy installation and the full-convolution elastomer bellows provide maximum flexibility in compensating for shaft movement and wear. 

Stationary Seats

  • BR6 (standard)
  • FR4 (monolithic)
  • FR5 (insert)
product detail [pdf: 157.27 KB]

complete catalog [pdf: 5.71 KB]

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