Trunnion Mounted Ball Valves - VW1

The Valbart VW1 is a API 6D-compliant, welded-body valve that seals off both seats at the same time and allows bleeding of the entrapped cavity pressure (double block and bleed) with the ball in the closed position.

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  • Reduced fugitive emissions made possible by welded-body construction, which eliminates leak paths
  • Greater process control and safety assured by dual independent floating seat design, guaranteeing sealing power at any pressure level
  • Economical performance due to low torque requirements
  • Simplified seal verification made possible by double block and bleed feature

Other Features:

  • Forged components welded body design
  • Soft seated, metal seated
  • Self relieving and double piston effect seats
  • Double block bleed
  • Antistatic design
  • Anti blow out stem

  • API 6D
  • ASME B16.34
  • NACE MR0175
  • API 6FA/API 607/API598

Size Range:

  • DN 50 to 1600
  • NPS 2 to 56 (API 6D Valves)

Pressure Class Range:

  • PN 20 to 420
  • Class 150 to 2500

Seating Material: Soft or Metal


 

Standard

  • Forged components-welded body design
  • Seals: O-ring
  • Soft seated/metal seated
  • Fittings: Stem and seat greaser
  • Self relieving or double piston effect seats
  • Double block bleed
  • Fire-safe
  • Anti-static automatic
  • Cavity relief

Low temperature

  • Forged components-welded body design
  • Seals: Lip-seals
  • Soft seated/metal seated
  • Fittings: Stem and seat greaser
  • Self relieving or double piston effect seats
  • Double block bleed
  • Fire-safe
  • Anti-static automatic
  • Cavity relief

Underground

  • Forged components-welded body design
  • Seals: O-ring
  • Soft seated/metal seated
  • Fittings: Stem and seat greaser
  • Self relieving or double piston effect seats
  • Double block bleed
  • Fire-safe
  • Anti-static automatic
  • Cavity relief
  • Stem extension

Documents & Support

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