• CSA ANSI NGV 3.1-12/CSA 12.3-12

CSA ANSI NGV 3.1-12/CSA 12.3-12

Fuel System Components for Natural Gas Powered Vehicles

CSA Group, 03/29/2012

Publisher: CSA

File Format: PDF

$234.00$468.00


Published:29/03/2012

Pages:96

File Size:1 file , 440 KB

Note:This product is unavailable in Russia, Ukraine, Belarus

Scope

1.1 Scope

1.1.1
This standard establishes requirements for newly produced compressed natural gas fuel system components, intended for use on natural gas powered vehicles, as listed in Table 1, Fuel System Components, below.

Table 1
  • Fuel System Components
  • Check Valve
  • Manual Valve
  • Manual Container Valve
  • Automatic Valve
  • Gas Injector
  • Pressure Indicator
  • Pressure Regulator
  • Gas Flow Adjuster
  • Gas/Air Mixer
  • Pressure Relief Valve
  • Pressure Relief Device
  • Excess Flow Valve
  • Gas Tight Housing and Ventilation Hoses
  • Rigid Fuel Line
  • Flexible Fuel Line
  • Filter
  • Fittings
  • Relief Line Closures
1.1.2
This standard applies to devices which have a service pressure of either 16 500 kPa (2400 psi), 20 700 kPa (3000 psi), or 24 800 kPa (3600 psi), hereinafter referred to in this standard as the following
"P24" - 16 500 kPa (2400 psi)
"P30" - 20 700 kPa (3000 psi)
"P36" - 24 800 kPa (3600 psi)

1.1.3
The construction of the noted components whether specifically covered by the various provisions of this standard or not, shall be in accordance with reasonable concepts of safety, substantiality and durability.

1.1.4
All specifications as to construction set forth herein shall be satisfied by the construction actually prescribed or such other construction as will provide at least equivalent performance.

1.1.5
This standard emphasizes the pressure containment, performance and safety characteristics of components listed in Table 1, Fuel System Components.

1.1.6
It is recognized that other components not specifically covered herein can be examined to meet the criteria of NGV 3.1 and tested according to the appropriate functional needs.

1.1.7 This standard does not apply to the following: a. natural gas fuel system components incorporated during the manufacture of motor vehicles originally manufactured in compliance with the Federal Motor Vehicle Safety Standards (FMVSS) for Compressed Natural Gas Fueled Vehicles and the Canadian Motor Vehicle Safety Standard (CMVSS);
b. fuel containers;
c. stationary gas engines;
d. container mounting hardware;
e. electronic fuel management;
f. fueling receptacles;
g. three way valves.

1.1.8
In the case of conflict between this standard and Federal, Provincial, State or local requirements, the government requirements shall take precedence.

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