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Module 2: High-Pressure NGV Components
Lesson 2.2: High-Pressure Components
CNG High-Pressure
System Introduction
High-Pressure
Components of CNG ▪ Fuel Receptacle
Systems ▪ Secondary Check Valve
▪ Defueling System
▪ Fittings, Tubing and Lines
▪ Cylinder Valve(s)
▪ Cylinder(s)
▪ PRDs, Vent Lines and Caps
▪ Fuel System Isolation
Valve (Manual Shutoff Valve, ¼
Turn Valve)
▪ High-Pressure Coalescing
Filter
▪ Fuel System Isolation
Solenoid Valve
▪ Mechanical Pressure
Gauge
▪ Fuel Shutoff Solenoid
Valve
▪ Pressure Regulator
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