COURSE GLOSSARY
SAFE DISPENSING OF PROPANE
GLOSSARY OF COMMONLY USED TERMS

ASME

American Society of Mechanical Engineers

BC FIRE EXTINGUISHER

A type of fire extinguisher required at dispensing stations.

DATA PLATE

Plate attached to ASME containers with all pertinent information for the container.

DOT

United States Department of Transportation

ETHYL MERCAPTAN

An odorant used in liquefied petroleum gases to aid in detecting leaks.

FLOAT GAUGE

Device, which indicates the percentage of gas in a container based on an internal float located at and moving with the liquid inside the tank.

ICC

Interstate Commerce Commission, which formerly set forth specifications for the manufacture of portable cylinders. This responsibility now lies with the U.S. Department of Transportation (DOT).

LPG

(Liquefied petroleum gases) - gases belonging to the hydrocarbon family. Commonly referred to as propane, LP gas, bottled gas, butane, propylene, etc.

NFPA

Abbreviation for "National Fire Protection Association," who promulgates and publishes fire safety standards

NPGA

Abbreviation for "National Propane Gas Association," formerly the National Liquefied Petroleum Gas Association (NLPGA).

OPD

Overfill prevention device. A device which causes the service valve to close when the container becomes filled

POL

This abbreviation (commonly referred to as 'put on left') is used to describe different types of fittings, service valves, plugs, filler couplings, adapters, etc., all with a left-hand thread.

POL PLUG

A metal or plastic plug for the service valve required to be used during the transportation of propane containers.

POL VALVE

A vapor service valve with built-in pressure relief for vapor withdrawal from cylinders.

PSIG

Pounds per square inch gauge - measurement of pressure inside a container

If you didn't find the word you were looking for click here!

 3Previous  
Next4