Siemens offers multiple control valve options. VKF41’s are available from sizes 1-1/2” DN40 to 8” DN200, each with a manual handle option:

VKF41…C for Air, Natural Gas, or other clean gases:

  • Butterfly valves designed for fitting between counter-flanges
  • Disk with metallically tight shutoff, (< 0.7% leakage)
  • Angle of rotation 85°

VKF41…H High Temperature butterfly valve for flue gas recirculation:

  • 550 deg F maximum gas temp
  • Angle of rotation 360°

VKF41…B Biogas butterfly valve:

  • Designed for Bio Gas control valve applications
  • Angle of rotation 360°

Technical Literature:
VKF41
VA…VKF Valve-Actuator Assemblies (VA-3000)