3
PRESSURE REGULATOR IN
THROTTLING MODE
The pressure regulating valve, as shown in Figures 8 and 8A, can be located in
the supply line before the boom control valves. If you choose this location, the
844 will need to be properly programmed to reverse the polarity of the valve.
This step can be found in the System Setup instructions on page 17. When in
throttling mode, the valve should open when the key is pressed, and close
when the key is pressed. Be sure to check this before plumbing the valve
into the system.
FLOW METER
FIGURE 8
T
HROTTLING PLUMBING DIAGRAM
FLOW BASED SYSTEM
TANK
JET AGITATOR
CENTRIFUGAL
PUMP
TANK SHUT-OFF
STRAINER
BOOM SECTIONS
SOLENOID VALVES
THROTTLING
VALVE
PRESSURE
REGULATING
VALVE
AGITATOR
VALVE
5-7”
(12-17 CM)
10-12”
(25-35 CM)
FIGURE 8A
T
HROTTLING PLUMBING DIAGRAM
PRESSURE BASED SYSTEM
SOLENOID VALVES
TANK
JET AGITATOR
CENTRIFUGAL
PUMP
TANK SHUT-OFF
STRAINER
BOOM SECTIONS
THROTTLING
VALVE
PRESSURE
TRANSDUCER
PRESSURE
REGULATING
VALVE
AGITATOR
VALVE
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