Glossary
Glossary-6 MDE-3893P Encore® and Eclipse® Series Owner’s Manual · December 2011
S
Seals
Substances used to prevent seepage of gasoline or vapor from the unit.
Serial Plate
Mounted on Side 1 of Encore units; mounted on left column of Eclipse units
Shear Valves
Device at the base of all dispensers and some pumps that shuts off the fuel flow in case of a
vehicle impact or fire at the base of the unit.
Silicone Grease
Type of lubricant used on the nozzle hooks and shafts of units.
Standalone Mode
Authorization and payout occur at the pump.
Submersible Turbine Pump (STP)
Submersible turbine pump in underground storage tank (UST).
Swivels
A fastening that permits the free turning of attached parts to the unit.
T
Two-wire Mode
A communication mode with the unit where authorization and payout occur at the console.
V
Vapor Hoses
Multi-wall hoses that reduces the amount of fuel vapor that escapes into the atmosphere when
a customer is dispensing fuel.
Vapor Recovery
Process of capturing emissions and returning them to an underground storage tank, reducing
the amount of volatile organic compounds emitted into the atmosphere.
Vapor Recovery Boots
Device inside the nozzle that reduces the amount of fuel vapor that escapes into the
atmosphere when a customer is dispensing fuel.
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