Top Entry Ball Valves - Valbart
Product Brand
Valbart™
Type
Ball Valves
SubType
Top Entry Ball Valves
About this product

Valbart top entry ball valves are in-line repairable and ensure bi-directional sealing with two independent floating seats. They feature a double block and bleed, fire safe design and an anti blow-out stem.

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  • Increased efficiency enabled by independent ball and stem, which minimizes side thrust caused by pressure on the ball
  • Improved safety assured by anti-static design that guarantees electrical continuity between all metallic components
  • Simplified in-line inspection and maintenance made possible by top-entry design
  • Compliance with the most severe pollution-control regulations owing to low-emission valves
  • Used whenever it is required to perform maintenance activities without removing the valve from the line
  • Less potential leakage paths than bolted bonnet side-entry valves
  • API 6D/6A
  • ASME B16.34
  • NACE MR0175
  • API 6FA/API 607/API598

Size Range:

  • 2 to 56 (API 6D Valves)
  • 1 13/16" to 16 3/4" (API 6A Valves)

Pressure Class Range:

  • Class 150 to 2500
  • 2000 psi to 10000 psi

Seating Material: Soft or Metal

Standard

  • Cast or forged components-bolted body design
  • Seals: O-Ring + graphite fire safe
  • 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

Cryogenic (-196 °C)

  • Cast or forged components-bolted body design
  • Seals: Lip-seal + graphite fire safe
  • Soft seated/Metal seated
  • Self relieving or double piston effect seats
  • Double block bleed
  • Extended bonnet
  • Fire-safe
  • Anti-static automatic
  • Cavity relief

High Temperature

  • Cast or forged components-bolted body design
  • Seals: spiral wound or graphite
  • Metal seated
  • Self relieving seats
  • Double block bleed
  • Extended bonnet
  • Fire safe
  • Anti-static automatic
  • Cavity relief



 

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