Approaching The Pressure Value (Increasing Pressure) - WIKA CPB5000HP Betriebsanleitung

Pressure Balance High-Pressure
CPB5000HP

3.2.2 Approaching the pressure value (increasing pressure)

We recommend unscrewing the spindle pump completely when you start to record
measurement values, (turning anticlockwise) to allow enough volume for
measurements. The low-pressure and high-pressure shut-off valve must be opened
during this process.
 The system must first be filled with oil and pre-compressed.
 For this the valves must be in the basic position:
 Low-pressure shut-off valve closed
 High-pressure shut-off valve opened
 Then run the initial pressure pump for several strokes. The pressure increases to a maximum of
about 50 bar (depending on the volume of the connected test specimen).
 The high-pressure shut-off valve must be closed after pre-pressure generation.
 After that, increase the pressure by turning the built-in spindle pump clockwise.
After generating initial pressure, the high-pressure shut-off valve must always
be closed, before pressure is increased using the spindle pump. An integrated
safety overflow valve (adjusted to approximately 100 bar) additionally protects
the low-pressure circulation from any errors on the operator's part.
WIKA Operating Instructions Pressure Balance High-Pressure Version 2.5
GB
Weight pieces
Piston cylinder system
with bell
.
18