Page 40 - AFVi CNG & LNG Participant Guide

Module 5: CNG Fueling Station Safety Systems and Fueling Practices

Purpose of CNG
Fueling Station
Equipment

 Remove particulates, oil, and water from gas
 Compress gas
 Store compressed gas
 Measure and dispense fuel

Lesson 5.2: Safety Systems at CNG Fueling Stations

Signs and Placards

Emergency Shut  Identified with a red placard
Down Devices  A fail-safe device
(ESDs)  Shuts down the entire CNG fueling station
 Located within 10 feet of the end of any fueling hose
 An additonal ESD 25 to 75 feet from where you’re
fueling area
 Most important safety device at the station

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