ST 6150 ST 6151 ST 6152 Motorized valve with emergency closing

Emergency closing system for motorized valves MV
53.. / MV 54.. / MV 59.. series two-way or three way design.

• Approved by German Technical Inspectorate (TÜV) as safety functional device for steam and water in heating systems.
• closes at power failure
• closes smoothly even at large differential pressures
• adjustable closing time for ST 6152 automatic automatic return to closed loop control possible