John Crane Type 8B-1 Replacement

FAS Type Y1

John Crane Type 8B-1 Replacement

Features

Technical Features

  • Balanced
  • Multi-spring
  • Bi-directional
  • Dynamic O-ring

Specifications

Materials

  • Rotary faces: Carbon Graphite, Silicon Carbide, Tungsten Carbide
  • Stationary seats: Ceramic, Silicon Carbide, Tungsten Carbide
  • O-rings: Buna, Viton, EPDM, Aflas, Neoprene
  • Metallurgy: 316 SS with Hastelloy C™ springs

Operating Conditions

Dimensions:0.500” – 4.000”
Max Pressure:435 PSI / 30 BAR
Max Temperature:160°C – 320°F
Velocity:25 M/S – 4500 FPM

John Crane Type 8B-1 Replacement Chart Flex-A-Seal John Crane Type 8B-1

Quotes

Quote Request

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

Request A Quote