Solar SF 2-way zone valve with limit switch DN 25 230V

The zone valves are installed in closed circuits in Heating and solar systems.
With manual operation, lockable in centre position
• With integrated limit switch


Technical 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 temperature: 5°C to 130°C
• Operating pressure max.: 10 bar
• Valve body, cover: Brass
• Return spring: stainless steel
• Cable length: 1000 mm
• Differential pressure max.: 0.9 bar
• Water with up to 50% glycol

• Differential pressure max.: 0.9 bar

• Connections: Internal thread

Mode of operation:
If the power supply is activated, the servo motor pushes the ball (against the spring force) from A to a middle position in roughly 10 seconds. When no current is applied, the return spring pulls the ball back to A in roughly 4 seconds.

Permitted installation positions:
motor at the top or on the side!