Page 21 - AFVi CNG & LNG Participant Guide

Module 2: High-Pressure CNG Fuel System Components

Lesson 2.2: High-Pressure Components

CNG High-Pressure
System Introduction

High-Pressure
Components of CNG  Fuel Receptacle
Systems  Secondary Check
Valve
 Defueling
Receptacle
 Defueling Valve
 Fittings, Tubing
and Lines
 Cylinder Valve(s)
 Cylinder(s)
 PRDs, Vent Lines
and Caps
 Fuel System
Isolation Solenoid
Valve
 Fuel System Isolation Manual Valve (Manual Shutoff Valve, ¼ Turn Valve)
 High-Pressure Coalescing Filter
 Mechanical Pressure Gauge and Transducer
 Pressure Regulator

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