Page 40 - ESP (CNG) Participant Guide
P. 40

Module 5: CNG Fueling Station Safety Systems and Fueling Practices

           Lesson 5.1: Overview of CNG Fueling Stations

             Three Types of
             CNG Stations


                                                                                      Time-Fill Station

                                                                                    Typical Application:
                                                                                     Refuse; School Bus











                                                                                      Fast-Fill Station
                                                                                         (Cascade)

                                                                                    Typical Application:
                                                                                     Public CNG station











                                                                                      Fast-Fill Station
                                                                                          (Buffer)

                                                                                    Typical Application:
                                                                                     Transit CNG station




             CNG Fuel Delivery      Current Standards
             Pressure                 o  3,600 psi at 70°F
                                      o  3,000 psi at 70°F (old technology)
                                    Temperature compensation system
                                      o  Enables more complete fill







                                     NGV Essentials and Safety Practices (CNG)                              © 2023 NGVi All Rights Reserved   Page 5-2
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