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Vacuum pump |
An
air pump, which produces a vacuum in the milking system. |
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Vacuum
Line |
A
pipeline which carries only air and forms part of the fixed installation |
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Main
vacuum line |
The
part of the vacuum line between the vacuum pump(s) and the sanitary trap. |
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Milking
vacuum line |
The
part of the vacuum line between the sanitary trap and the milking point(s)
furthest away from the vacuum pump(s), which may also form part of the
cleaning circuit. |
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Pulsation
vacuum line |
The
part of the vacuum line connecting the main vacuum line to the pulsator. |
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Interceptor
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An
interceptor vessel situated in the main vacuum line immediately upstream
from the vacuum pump to prevent liquid or foreign matter from gaining
access to the pump. |
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Vacuum
header tank |
A
vessel situated at the end of the main vacuum line forming a junction from
which the milking and pulsation lines join. This serves as a storage tank
for vacuum, increasing the plants reserve of vacuum. |
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Vacuum
gauge |
A
differential pressure gauge to indicate the level of vacuum in the system.
This can vary between 38kPa for a direct-to-line parlour to 50kPa for a
recorder milking machine. |
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Regulator |
An
automatic valve designed to maintain a steady vacuum, by admitting
atmospheric pressure to the main vacuum line. |
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Sanitary
trap |
The
vessel between the milking system and the air system to prevent
contamination by movement of liquid from one to the other. Usually
transparent for easy visibility and constructed of glass or plastic. |
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Vacuum
tube |
The
connecting tube between milk collecting vessel and a main vacuum line or a
milking vacuum line. |
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Drain
valve |
A
valve, situated at the lowest points of the pipelines to drain liquid from
the vacuum or milk system when not in use. Most often, automatically. |
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Vacuum
tap |
A
manually operated valve to permit the connection of units, or other vacuum
operated devices to a vacuum line. |
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Wash
pipeline |
A
pipeline, which during the cleaning process carries cleaning and
disinfectant solutions from the wash trough or water heater to the milking
vacuum line. The wash pipeline is not usually in circuit during milking,
except with recorder milking machines, where it gives the jars their
milking vacuum. |
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Teat cup
jetters |
An
assembly comprising a tube from the wash pipeline or the milking vacuum
line connected to a manifold and four cups or plugs to which the teat cups
are attached during cleaning. Can also be quick wash type in which the
cluster is lowered onto a fixed assembly of plugs. |
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