NS EN 15355 : 2008 + A1 2010

Describes the requirements for the design, testing and quality assurance of distributor valves and distributor-isolating devices. For interoperable freight wagons, these devices which are operated by compressed air according to EN 14198 are assessed according to the respective technical specification of interoperability. Applicable to distributor valves and distributor-isolating devices. The distributor valves contained here are of graduated release type. Direct release types are not included. Functionally they are regarded as not containing relay valves of any type, even if the relay valves are physically an integral part of the distributor valves. Also applicable to both distributor-isolating devices mounted separate from the distributor valve and distributor-isolating devices integral with the distributor valve.