Operation
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313566J
Operation
The operation of the 1093 metering valve is controlled
by an external source. If a control box was purchased,
see the your control box manual for operation instruc-
tions. See
on page 2.
Sequence of Operation
Step 1: Reload
•
The spool shifts to the right
•
Material feed inlet is opened
•
Material is transferred into the metering chambers
by a pressurized feed system
•
The outlet port is blocked
•
The metering rod is retracted to a precise position
determining the volume of each material
Step 2: Shift
•
The balanced spool shifts to the dispense position
•
The material path to the needle is opened
•
The material feed inlet port is blocked
•
The metering rod remains in the retracted position
Step 3: Dispense
•
The metering rod extends
•
Material is dispensed from the metering chamber
into the needle
Upon completion of the dispense stroke, the metering
rod and spool shifts back to the reload position.