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TYPE 21

TECHNICAL FEATURES

  • UNBALANCED
  • SINGLE SPRING – NON-CLOGGING
  • BI-DIRECTIONAL
  • ELASTOMER BELLOWS

MATERIALS

  • ROTARY FACES: CARBON GRAPHITE, SILICON CARBIDE, TUNGSTEN CARBIDE
  • STATIONARY SEATS: CERAMIC, SILICON CARBIDE, TUNGSTEN CARBIDE, STAINLESS STEEL
  • BELLOWS: BUNA, VITON, EPDM, AFLAS, NEOPRENE
  • METAL PARTS: 304 STANDARD OR 316 STAINLESS STEEL OPTION AVAILABLE
OPERATING LIMITS

DIMENSIONS = 0.375” – 3.000”
MAX PRESSURE = 150 PSI / 10 BAR
MAX TEMPURATURE = 160°C / 320°F
VELOCITY = 13 M/S - 2600 FPM





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