3/4-Way Trunnion Type Soft/Metal Seat Ball Valve
T/L-Port Full Bore Flanged Ends ASME CLASS 150/300 PN16/40

The JCT/JCTM trunnion-mounted 3/4-way ball valves are designed for the most complex flow control equations. Our unique 4-seat design with many alternatives of soft and metal seats allows the JCT/JCTM Series to withstand the toughest operating conditions in the fields of Oil & Gas, Refineries, Power Generation, Pulp & Paper, Mining, Petrochemical and Chemical industries, etc.


Applicable Standards

  1. Body Material: Standard in WCB, CF8, CF8M. Other materials are available according to requirements.
  2. Nominal Size: 1-1/2” to 8” (DN40 to DN200)
  3. Pressure Rating: ASME CLASS 150/300 DIN PN16/40
  4. End Connections: RF
  5. Temperature Range: Soft Seat: -20~356°F (-29~180°C) / Metal Seat: -20~932°F (-29~500°C)
  6. Flanged Dimensions: ASME B16.5 / EN 1092-1
  7. Body Pressure Test: API 598
  8. Seat Leakage Test: Soft Seat: API 598 / Metal Seat: ANSI/FCI70-2 Class V
  9. Casting: MSS-SP-25 / MSS-SP-55



Product features

  1. Trunnion ball design keeping the torque stable and low, even at a high pressure drop.
  2. Robust 1-PC trim combining ball & stem (size 4” and below), to increase the valve life cycle.
  3. Oversized stem design preventing any deformation from high pressure or high temperature.
  4. Unique 4-seats design ensuring a perfect balance and an optimum position of the ball.
  5. Spring loaded design keeping the seat in tight contact with the ball, even at a low pressure.
  6. Many options of soft and metal seats to meet the requirements of all using conditions.
  7. Fire safe design.
  8. Anti-blowout stem design.
  9. Anti-static design.
  10. ISO 5211 Mounting Pad design.
Product Spec
  • DNV-CECertificate 2017.04.15
  • DNV-ISO 9001-2008 Certificate 2017.02.25