Kromschröder's VK valve is a motorized gas valve designed to secure and control gas and air supply to burners and gas appliances. This hydraulically operated safety valve meets Class A requirements in accordance with EN 161 and features an automatic shut-off function. The system operates on the fail-safe principle: the valve is closed in the event of a power failure, opens in a controlled slow manner and closes immediately in the event of a failure.

• Application: Suitable for natural gas, town gas, LPG, air and biologically produced methane as well as hydrogen
• Nominal diameters (DN): Available from DN 40 to DN 250
• Connections: Available with threaded or flanged connections
• Maximum pressure (pe): Depending on the model, ranging from a maximum of 230 mbar to 8 bar
• Housing: Made of AlSi or GGG 40 material, suitable for heavy industrial applications
• Voltage: 100 V AC to 220/240 V AC
• Special editions:
  • VK..Z: For two-step operation
  • VK..G: With GGG 40 housing, suitable for steam boilers and outdoor installations
  • VK..H: Equipped with more powerful drives for higher pressures.
  • VK..X: Explosion-proof design for use in Zone 1 and 2 hazardous environments.