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VAHN-TECH manufactures superior cast steel check valves in a variety of designs, materials, trims, sizes (2” thru 48”) and pressure classes (150 thru 2500).
Features
  • Check valves designed in accordance with API 6D and API 594. Swing Check Valves, Dual Plates Check Valves and Lift Check Valves available.
  • Body and bonnet castings are precision machined with joint accurately machined.
  • Carbon Steel, Low temperature Carbon Steel, Stainless Steel, Duplex Stainless Steel as well as nickel and exotic alloys available.
  • Check valves option in accordance with API-603 only for stainless steel & nickel alloys
  • Swing Check Valve with top entry design for easy maintenance.
  • Check valves for Cryogenic service with gas column in accordance with BS-6364 upon request.
  • Special closing system can be designed on request from Swing Check valve: slow closing or fast closing swing check valves.
  • Flange dimensions in accordance with ASME B16.5 for valves up to 24” nominal diameter and ASME B16.47 for valves 28" and up.

Specifications

Design Standard

  • API 6D / BS 1868

Size Range

  • 2” - 36”

Flow Bore

  • Full Bore / Reduce Bore

Body Style

  • Bolted Bonnet

Pressure Rating

  • 150 psi - 2500 psi

Working Temperature

  • -196° C ~ +649° C
  • -320° F ~ +1200° F

End Connection

  • ANSI B16.5 - Flange

Documentation

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