BeaconMedaes VerusLab 4107 9021 88, Инструкции по установке, эксплуатации и обслуживанию

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Figure 3A.7 Purge Assembly Components
Purge Solenoid
Valve
Electric Actuator
Isolation Valve
Vacuum Gauge
Manual
Adjustable
Purge Valve
During initial operation, verify that the purge
process is operating satisfactorily (see Figure
3A.7):
1. The electric isolation valve closes and isolates
the vacuum pump from the process stream.
2. The purge solenoid valve opens and allows
fresh air to enter the pump. Make sure that
the manual adjustable purge valve on the
inlet side of the purge solenoid valve is used
to set the rate of air that passes through the
purge system during a purge cycle. Set the
manual adjustable purge valve to a point
where the pump achieves a vacuum level of
approximately 20” Hg or more on the gauge
located at the pump inlet during the purge
cycle.
Lubricated Rotary Vane Laboratory Vacuum Systems
4107 9021 88.01 3A-5