Series 20/21

Bray Logo Bray Series 20/21 Resilient Seated Butterfly Valves

Specifications

Stem Bushing

  • Non-corrosive, heavy duty acetal bushing absorbs actuator side thrust

Stem Seal

  • Double “U” cup seal design is self-adjusting and gives positive sealing in both directions and prevents external substances from entering the stem boren

Pressure Ratings

  • Resilient Seated
    • Metal Disc/Stem, 1-20” (25-500mm) = 150 psi (10.3 Bar)
    • Resilient Molded Disc/Stem, 2-20” (50-500mm) = 100 psi (7 Bar)
  • PTFE Seated
    • Metal Disc/Stem, 2-20” (50-500mm) = 150 psi (10.3 Bar)
    • PTFE Molded Disc/Stem, 2-20” (50-500mm) = 100 psi (7 Bar)
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