User Manual
Druck DPI612
Page 22 of 105
[EN] English – 109M4017 Revision -
1.10.3
Pressure Release Valve
This is a needle point valve that lets you release the
pressure or vacuum, or seal the system.
Figure 1-5
Pressure
Release Valve
1.10.4
SELECTOR DPI 612 pFlex & pFlexPro (20 & 100 bar)
Before you turn the pressure/vacuum selector to + or -, release all the
pressure. Sudden high pressure in the pump mechanism can cause damage.
This control sets the operation of the instrument (pressure
or vacuum). To prevent a pressure leak, turn it fully
clockwise or counter clockwise.
+: Pressure, - : Vacuum
Figure 1-6
Selector
1.10.5
Pump
DPI 612 pFlex
(20 bar) Pump
When you have set the operation to pressure or vacuum (
See
Section 1.9.4
), seal the system (
See Section 1.9.3
) and use the
pump to set the necessary pressure or vacuum.
You can then make the last adjustments with the volume
adjuster (
See Section 1.9.6
).
Figure 1-7
20 bar Pump
OPEN
CLOSE