Forced-operated
How it works:
Forced-operated solenoid valves combine the advantages of direct-operated and servo-operated valves. They work independently of a pressure difference because the piston or diaphragm is directly connected to the solenoid armature, and are also suitable for larger flow rates.
When to vote:
Forced-operated valves are ideal when there is no minimum pressure difference, but larger flow rates need to be regulated. They offer high flexibility under varying pressure conditions.
Advantages:
Independent of pressure differences: Works even at zero pressure and high flow rates.
Flexible use: Suitable for low and high pressures.
Stable control: Provides reliable control under changing pressure conditions.
Disadvantages:
More complex design: The direct coupling of the magnet armature and the membrane increases the number of moving parts.
Larger size: Due to the more complex mechanics, positively guided valves are often larger.
"Maximum flexibility – positively guided solenoid valves for maximum control under varying pressure conditions."
ZIMMER HAMBURG
Since 1958
Typical applications:
Water systems: In systems with varying pressure, e.g. drinking water treatment.
Industrial processes: control under varying pressure conditions.
Air conditioning and heating technology: regulation of large volume flows in HVAC systems.
Maintenance and installation:
Moderate maintenance: The more complex mechanics require regular inspection.
Installation: Can be installed in various systems as no minimum pressure difference is required.
Example model:
Type AL 04: Forced-operated solenoid valve suitable for large flow rates and variable pressure conditions.
Summary:
Forced-operated solenoid valves offer flexibility and reliability under changing pressure conditions. They are ideal for applications where constant control is required even without a minimum pressure difference.
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