UNICON 4000L – Lined Ball Valve


  • Size Range : ½” to 8”
  • Pressure Ratting : 150# Class
  • End Connections : Flanged RF
  • PFA Lining Thickness : 3 mm to 4 mm
  • Leakage Class : Class VI (soft seated)
  • Flow Characteristics : ON-OFF, Throttling
  • Temperature Range : -30°C to 180°C


  • UNICON 4000L lined ball valves are ideally suited for corrosive mediums, requiring reliable performance, tight shut‐off, constant torque and minimal maintenance.
  • The valves successfully handle a multitude of corrosive application in industries such as Chemical, Petro‐chemical, Pharmaceutical, Pulp and Paper Industry.
  • Application
    • Highly corrosive fluids and gases such as, Hydrochloric acid, Sulphuric acid, Nitric acid and Phosphoric acid
    • Adhesive, paper industry and fuel transport
    • Wet and dry chlorine
    • Semi-conductor applications


  • High quality PFA lining materials cover a wide range of corrosive applications
  • Full bore offers high Cv value equal to the pipe
  • Bubble tight shut-off precision machined ball and seats
  • The self-adjusting packing is maintenance free and helps provide a leak-free stem seal
  • Specific anti blow-out shaft design which cannot be affected by the media according to API 609
  • PFA lining offers highest corrosion resistance


  • Pneumatic / Electro – Pneumatic / Smart E/P – Positioners
  • Air Filter Regulator
  • Solenoid Valve
  • Limit Switch
  • Proximity Switch
  • Manual Override

For more information, specific application advice or to order,

Please contact us on +91 8367005552 or +91 9063008734

email: info@sigmaautomation.co.in