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The zone valves are installed in closed circuits in heating and solar systems.With manual override, lockable in centre position- With integrated limit switchTechnical data:- Power consumption: 6W- Electrical connection: 230 V, 50 Hz- Limit switch: 3 A, 250 V (AC)- Protection class: IP 22- Ambient temp. max.: 60°C- Medium temp.: 5°C to 130°C- Max. operating pressure: 10 bar- Valve housing, cover: brass- Return spring: stainless steel- Cable length: 1000 mm- Max. differential pressure: 0.9 bar- Water with up to 50% glycolHow it works: When the power supply is activated, the servomotor (against the spring force) pushes the ball from A to B in about 20 seconds. When de-energised, the return spring pulls the ball back to A.- Connections: Female thread
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