... certificate 4.Nominal pressure:10,20,31.5MPa the gas container stored energy by saving gas way.it functions as gas ... pressure loss,lower the power consumption.this kind of gas container has reliable structure, beautiful appearance, stable performance characteristics.it is ... used in light industry such as machinery and defense industries. Model(dia.299) FGXQ1/2-20/12-B12205961FGXQ1/2-20/20 ...