Motorized Gas Valve Actuator - Two-Step, Auto Shut-Off, EN 161 Certified

The HONEYWELL KROMSCHRODER - ACT, VK, AVK T5H9Z /B is a valve actuator classified under "Valve Actuators." This unit is intended for use with Class A gas safety valves as specified in EN 161 standards. It includes an automatic shut-off mechanism and is configured to be in the closed position when not energized. The actuator provides two-step operation modes: slow opening and quick closing for controlling the flow of gas or air, and it holds EU certification.

Key features include:

• Two-step operation (VK..Z series)
• Housing options: AlSi or GGG 40 cast iron
• Versions available for higher pressures (VK..H) and explosion-proof zones (VK..X)
• Nominal diameter range: DN 40 to DN 250
• Connection types: threaded or flanged
• Operating pressure range: max. 230 mbar up to max. 8 bar
• Mains voltage compatibility: 100 V AC to 220/240 V AC
• Electrical connection via terminals or standard plug/socket
• Optional versions with flow adjustment, position indicator, holding relay for manual restart, and Viton valve disc seal