This standard BS EN 15612:2020 Railway applications. Braking. Brake pipe accelerator is classified in these ICS categories:
45.060.01 Railway rolling stock in general
45.040 Materials and components for railway engineering
This document is applicable to brake pipe accelerators designed to vent the brake pipe of railway vehicles when an emergency braking is initiated, without taking the type of vehicles and track-gauge into consideration.
This document specifies the requirements for the design, manufacture and testing of brake pipe accelerators.