GLOSSARY
©2014 Kraus Global Ltd.
Glossary-2
Retail CNG Dispenser Manual
K
KAF 402™
.
A Kraus-original solenoid valve, engineered specifically for high-pressure CNG
applications; see also
Solenoid valve
.
M
Mainboard.
A circuit-board housing vital electrical components, such as the CPU
MICON NEXTGEN 1.0
®
.
A Kraus-manufactured pump-controller
O
O-ring.
A small, circular elastic joint used to seal or fill space between mating components.
P
Particulate filtration.
A filtration method designed to remove solid particles from gases.
PLC.
Programmable Logic Controller; a computer used to automate electromechanical
processes, such as dispensers and assembly lines.
POS system.
Point-Of-Sale system; a retail system that allows fuel station attendants to
control and authorize fuel dispensers from their terminal. Also includes a user interface
that incorporates a card reader, keypad, and screen display that allows customers to make
retail transactions at the dispenser.
Positive pressure.
An air pressure greater than that of its surrounding environment; used
as an engineering technique to isolate an area from outside contaminants
Pressure vessel.
A sealed container designed to hold gases or liquids at a considerably
higher pressure than that of the ambient atmosphere.
PSI.
Pound-force per Square Inch; a unit of pressure
Pump-controller.
An electronic device used to control the voltage supplied to the fuel-
pump and other signals used within the fuel-pump.
Pump door node.
A circuit-board located on the reverse side of the upper cabinet door of
the Retail dispenser, consisting of components affecting the dispenser display electronics.
