Systems' Accessories
Chapter
11
AfiMilk MPC Installation Manual
107
Range of Shut-off Milk Valves
These Normally Open valves replace the traditional clamp valve. The main
advantage of such diaphragm valve is refraining from clamping the hose
during operation thus maintaining hose diameter (Clamp valves cause
diameter reduction to hoses).
Normally Closed Vacuum-Operated Valve
When there is a vacuum in the milk line, the valve is closed. When
the valve’s control input is connected to a vacuum source, it opens.
Normally Open Air-Operated Valve
When there is a vacuum in the milk line, the valve is kept open. When
the valve’s control input is connected to a source of compressed air, it
closes.
Normally Open Vacuum-Operated Valve
When there is a vacuum in the milk line, the valve is kept open. When
the valve’s control input is connected to a vacuum source, it closes.
Vented
Closed
Controlled
vacuum
Open
Open
Vented
Closed
Controlled
air
Controlled
vacuum
Closed
Open
Vented
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