29
Components & SystemsProduct Manual - Orca
™
CO
2
Series MicroBulk Delivery System
Anti-Tow Valve
Located at the top of the piping cabinet, the Anti-Tow Valve
is pneumatically connected to the air brakes and can only be
released when the Plumbing Cabinet Doors are closed. The
plumbing cabinet doors can only be closed when the delivery
hoses are stowed back in the storage tubes.
Ticket Printer
Bluetooth Printing
Bluetooth printing is available via kit part
number 21244207. For more information, see the
following documents:
• FLOW_BTP-II - V2_0
• PR8000-V1_0-EN-PRINTER_
COMPATIBILITY_DATA_COMMUNICATION
Metering System
The metering system provides an accurate and calibrated
means for measuring the amount of product dispensed from
the Orca tank to the customer. The system is made up of ve
components: the Meter Section, two Dierential Pressure
Transmitters, Resistance Temperature Device and the
Flowcom
®
Flow Meter System.
Meter Section
The Orca system incorporates an Orice type meter section,
which unlike turbine meters, has no moving parts to wear
out or be damaged by gas. This unique feature makes the
meter section a low maintenance item. As the liquid ows
to the tapered orice, a high pressure zone is created. Once
the liquid ows through this restriction and reaches the
larger “back side” of the restricted orice, a drop in pressure
occurs. This dierence of pressure is the beginning of how
product is metered. A 1/4” (6mm) line is plumbed into each
side of the meter section. These two lines are then plumbed
to the Dierential Pressure Transmitters which make this
dierential pressure an electronic signal.
Dierential Pressure Transmitter (DP
Transmitter)
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