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Cast HF Acid swing check valves


Features and benefits

  • All of the critical areas of castings are of RT quality in accordance to B16.34
  • Bonnet joint is precision machined and has a special surface finish for extended service life.
  • Monel® seat is single seal welded-in using state-of-the-art metallurgical technology to ensure zero leakage behind and around the seat, preventing in-service corrosion.
  • Fully encapsulated gasket design with metal-to-metal body to bonnet contact for optimal and controlled gasket compression.
  • Body wall thickness is in accordance to higher limits of API 600/594 offering one of the highest corrosion resistance capacities in the market.
  • HF Acid detecting paint allows for an immediate visual detection when exposed to acid or acid vapors to ensure valve integrity
  • Non-rotating disc is fastened securely to disc hanger with a lock nut and cotter pin. All parts are accessible from top for easy servicing.
  • Cage unit design with no body penetration by hinge pin.
  • For greater sizes (6’’ and above) top lid is delivered with 2 extended studs for easy handling and valve maneuver.
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