BS EN 286-4. Simple unfired pressure vessels designed to contain air or nitrogen. Part 4. Aluminium alloy pressure vessels designed for air braking equipment and auxiliary pneumatic equipment for railway rolling stock|Railway equipment, Fixing, Gas pressure vessels, Simple, Temperature, Braking system components, Nitrogen, Railway vehicle components, Tensile strength, Railway vehicles, Aluminium alloys, Marking, Welding, Assembling, Pneumatic equipment, Certification (approval), Classification systems, Pressure equipment, Maintenance, Dimensions, Acceptance (approval), Proof stress, Unfired pressure vessels, Dimensional tolerances, Approval testing, Pressure, Thickness, Compressed air, Holes, Non-destructive testing, Pressure vessels, Design calculations, Dished ends, Stress, Reinforcement, Inspection, Design, Defects, Welded joints, Pressure testing