1.the design,manufacture according to GB/T12234-1989
2.The structure according to the length of GB/T12221-2005\
3.Connection flange according to JB/T79-1994
4.Valve inspection and testing by JB/T9092-1999
Description
Parameters
Size Chart
Application
Nominal diameter:15-600mm
Nominal Pressure 1.6-6.4MPa
Working temperature 200℃-350℃
Suitable media Water ,Oil,Gas, Nitric acid,Hydrochloric acid