Motorized Gas Valve Actuator - Class A, Auto Shut-Off, DN 40-250, 8 bar

The HONEYWELL KROMSCHRODER - ACT, VK, AVK T59SR /B is a valve actuator intended for use with compatible gas and air systems. Classified as a Class A gas shut-off valve to EN 161 standards, it includes an automatic shut-off mechanism that is actuated upon loss of power. The actuator capable of performing slow opening and rapid closing functions as specified and is certified for use in the EU.

Key features include:

• Two-step operation (VK..Z)
• GGG 40 housing option for specific system compatibility (VK..G)
• Optional drives rated for operation at higher pressures are available
• Explosion-protected variants certified according to applicable standards for zone 1 and 2
• Nominal diameters from DN 40 to DN 250
• Threaded or flanged connection options
• Pressure range: max. 230 mbar up to max. 8 bar
• Mains voltage compatibility: 100 V AC to 220/240 V AC
• Housing materials: AlSi or GGG 40; electrical connections via terminals or standard plug/socket
• Available variants include flow adjustment, position indicator, holding relay for manual restart, and Viton valve disc seal