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2.70 INTAKE AND DISCHARGE PROVISION

2.71

For the Vacuum/Pressure Pump Station Models 79202-30

& 79202-35, the vacuum regulator and vacuum dial gauge

is attached to the bracket. The vacuum regulator allows the

vacuum level to be set between roughly atmospheric

pressure and the maximum vacuum allowed for the pump

model. The regulator allows discharge pressure to be set

between atmospheric and the maximum possible for the

pump model. Model 79202 is equipped with a pressure

port.

Note: Adjusting the vacuum regulators will affect the

performance of the pump.

Intake

2.80 VACUUM GAUGES

2.81

The Vacuum/Pressure Pump Station Models 79202-30 &

79202-35 come with dial vacuum gauges. The vacuum

gauge gives negative pressure - That is pressure below

atmospheric. The reference point for the gauge is

atmospheric pressure. Please keep in mind that

atmospheric pressure tends to vary from day to day. As a

result of this variability, the dial vacuum gauge will indicate

slightly different maximum vacuum readings from day to

day.

Pressure / Exhaust

Vacuum Regulator

Vacuum Gauge