What is ISO 12614‑3 about?

ISO 12614‑3 is part three of the multi-series standard on check valve which is a liquefied natural gas (LNG) fuel system component.

ISO 12614‑3 specifies tests and requirements for the check valve, a liquefied natural gas fuel system component intended for use on the types of motor vehicles defined in ISO 3833.

NOTE-

ISO 12614‑3 is not applicable to the following:

Fuel containers
Stationary gas engines
Container mounting hardware
Electronic fuel management
Refuelling receptacles

Who is ISO 12614‑3 for?

ISO 12614‑3 on check valve is applicable to:

Manufacturers of LNG vehicles
Manufacturers of check valve
Vehicle regulatory authorities
Vehicle repair shops

Why should you use ISO 12614‑3?

Good quality fuel system components are very important for the efficient functioning of an LNG vehicle. ISO 12614‑3 gives you guidelines for the construction of check valve. these guidelines include the materials to be used and the method for assembly of those materials. This will help you manufacture durable fuel system components.

ISO 12614‑3 provides marking instructions on check valve, these markings will help in identifying and tracing check valve.

ISO 12614‑3 provides tests to check the hydraulic strength and leakage of check valve. When performed these tests will help you in measuring the strength of the check valve.

What’s changed since the last update?

BS ISO 12614‑3:2021 edition cancels and replaces the first edition (ISO 12614‑3:2014), which has been technically revised.

The main changes compared to the previous edition are as follows:

Editorial changes

BS ISO 12614-3:2021

Road vehicles. Liquefied natural gas (LNG) fuel system components - Check valve

Current

Published:

30 Jun 2021