John Crane Type 21 Replacement

FAS Type C

John Crane Type 21 Replacement

Features

Technical Features

  • Unbalanced
  • Non-clogging single spring design
  • Bi-directional
  • Elastomeric bellows

Specifications

Materials

  • Rotary faces: Carbon Graphite, Silicon Carbide, Tungsten Carbide
  • Stationary seats: Ceramic, Silicon Carbide, Tungsten Carbide, Stainless Steel
  • Bellows: Buna, Viton, EPDM, Aflas, Neoprene
  • Metallurgy:  304 SS standard,  316 SS options available.

Operating Conditions

Dimensions:0.375” – 3.000”
Max Pressure:150 PSI / 10 BAR
Max Temperature:160°C / 320°F
Velocity:13 M/S – 2600 FPM

John Crane Type 21 Replacement Chart Flex-A-Seal John Crane Type 21

Quotes

Quote Request

Contact sales@flexaseal.com for available seat options or to request a quote.

Request A Quote