Cylinder capacity : 10 cum, 7 cum, 1.5 cum brand - new cylinder for _______________ iso st andard and certified by cont roller of explosives high pressure seamless wccarbon steel cylinder, 47 liter water capacity suitable for _______________ as per is 7312 [ part ii ] gas cylinder rules 2004 with neck ring fit ted with brass valves, internal lh thread, as per is 3224 and safety cap valve guard the cylinders shall be painted with colour specified in gas cylinder standards is 379-1967(specification for identification of the content of industrial gas cylinders).