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
  • METAL PARTS: 316 SS
  • SPRINGS: Hastelloy C-276

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

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