Demineralized Water—When specified for special valves, demineralized water may be used for cleaning and hydrostatic shell and closure testing.
Demineralized Water—When specified for special valves, demineralized water may be used for cleaning and hydrostatic shell and closure testing.
软化水—对于特殊阀门，如果用户指定，可以采用软化水进行清洗和流体静力学壳体和弹簧压缩检测。