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Siemens Combustion Controls – VGK Threaded Butterfly Valves

Available in sizes 1/2″ to 4″ NPT with UL approval and sizes 1/2″ to 3″ Rp with CE approval


VKG… series butterfly valves control the flow of natural gas, propane, butane, or air. Valves are positioned using either a manual kit, crank arm kit, or rotary actuator. VKG threaded butterfly valves are available from sizes 1/2” to 4” NPT with UL approval and sizes 1/2” to 3” Rp with CE approval.


  • Full, medium, or reduced port versions available
  • Shaft supported by precision bearings for repeatable performance
  • Low leakage rate at full closed position without a beveled disk
  • Low pressure loss at the full open position
  • Corrosion-resistant for outdoor applications
  • Clear position indication on a 2″ laser-etched, anodized dial
  • 90° clockwise or counterclockwise rotation


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