System Design
April 2020 3-16 06-237619-001
3-14 SELECTOR VALVES
Standard EN12094-5 requires that selector valves be opened within a maximum time span of
3 seconds, the following rules will be used for designing all selector valve systems:
• Always confirm the duration for which the solenoid valve will be kept energized by the con-
trol panel. The solenoid must be energized for the full discharge time.
• A handle shall always be provided with selector valves for manual opening or closing.
Figure 3-3. Typical Distribution Manifold Design
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