Page 21 - CNG/ LNG ESP Participant Guide 2024
P. 21
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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