1. BV standard cylinders; 2. Different capacity; 3. Exportable to USA, European and other world markets. Material34CrMo4UseCNGPressureHighPlace of OriginSichuan, China (Mainland)Brand NameNTYTModel NumberCNP20-57-356A WMInternational StandardISO11439Liner Outside Diameter(mm)356Water Capacity(L)57Service Pressure (Mpa)20Design Wall Thickness(mm)8.2Length(Without Value)(mm)817Weight(Without Value ...