Small forged HF acid check valves


Category: HF Acid valves
Product line: API 602 small forged HF acid valves

  • Size range(s)
    NPS 1/2 - 2 (DN 15 - 50)
    Pressure rating
    ASME Class 150 - 800
    Standard connections
    Threaded, Socket weld, Flanged, Butt weld

Features and benefits

  • Available designs: spring actuated piston and ball, and swing check.
  • Bonnet joint is precision machined and has a special surface finish for extended service life.
  • Fully encapsulated gasket design with metal-to-metal body to bonnet contact for optimal and controlled gasket compression.
  • Wide variety of end connections as per client’s needs: flanged, BW, SW, NPT, weld stubs, including other types.
  • Swing check 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.
  • HF acid detecting paint allows for an immediate visual detection when exposed to acid or acid vapors to ensure valve integrity.


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© Velan Inc. All rights reserved.
IgnitionWeb High-Touch Communications