BS EN 12561-2:2011 PDF

Scope: This European Standard specifies requirements on and characteristics of bottom emptying devices on tank wagons used for the carriage of liquid substances of RID. This European Standard specifies the most important dimensions of connection devices for the emptying of the tank. Safety functions of these devices are subject to RID requirements and not described in this document. This European Standard is applicable to bottom vapour return devices where fitted to tank wagons. This European standard applies to new tank wagons built after the 1st January 2010.

BS EN 12561-2:2011 Referenced Document

EN 14564 Tanks for transport of dangerous goods - Terminology*， 2019-08-07 Update
EN ISO 228-1 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation ISO 228-1: 2000
EN ISO 286-1 Geometrical product specifications (GPS) - ISO code system for tolerances on linear sizes - Part 1: Basis of tolerances, deviations and fits - Technical Corrigendum 1 (ISO 286-1:2010/Cor 1:2013)*， 2013-08-01 Update
ISO 3419 Non-alloy and alloy steel butt-welding fittings
ISO 4200:1991 Plain end steel tubes, welded and seamless; general tables of dimensions and masses per unit length
ISO 7005-1:1992 Metallic flanges; part 1: steel flanges

2011 BS EN 12561-2:2011 Railway applications. Tank wagons. Bottom emptying devices for liquid products including vapour return
2003 BS EN 12561-2:2002 Railway applications - Tank wagons - Bottom emptying devices for liquid products including vapour return