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Siemens VKF Flanged Butterfly Valves

Siemens VKF Flanged Butterfly Valves

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


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.

Technical Documentation

VKF Flanged Butterfly Valves Technical Documentation