Chinese Translation Japanese Translation Korean Translation English Translation

        Ball Valves
        Butterfly Valves
        Check Valves
        Control Accessories
        Gate Valves
        Globe Valves
        H.P. Butterfly Valves
        Plug Valves
        Polymer Valves
        Knife Gate Valves
        Pressure Relief

        Rotary Process

        Safety &

        Slurry Valves
Control Accessories


  Available Rotary Process Valves from
    Ivalsa Engineering

   Neles Jamesbury



Rotary Process Valves

The triple offset, metal-seated Vanessa rotary process valve is the ideal solution to achieve perfect shut-off in oil, gas, offshore, chemical and petrochemical applications. Rotary process valves are available as wafer, lugged, double flanged, welded and are also suitable for cryogenic services.

  • Manufactured to DIN or ANSI standards
  • Bi-directional, zero leakage according to API 598
  • Inherently firesafe
  • Size range from 3" - 84"
  • Pressure range from ANSI class 150 to 1500 and PN 10 to PN 160
  • Temperature range from -425 to +1500F

   Ivalsa Engineering & Services Co., Ltd.
   99/108 Moo4 Watcharaphol Rd., Kwang Klong-Tanon, Khet Saimai,
   Bangkok Thailand 10220
   Tel. 66(0) 2993 0762 , Fax. 66(0) 2993 0763 , Mobile 66(0) 89924 1633