Application Specification

1,Valve design standards by GB/T12237-1989

2,Valve pressure test according to JB/T9092-1999 standard

3,Flange connection according to JB/T79 standard

4,The structure length of the standard by JD-2004

5,The valve logo,signs,paint,packaging,according to JB/T 1220-2005 standard

6,Parts in the assembly to be removed and cleaned before make sure there is no burr,flash,oxide,rust,chip,oil,stains and dust,etc.

7,The assembly of the part does not allow knock,hitting,scratching and corrosion

8,Remove the debris cavity,pressure test,liquid and coated with rust prev-entive oil sealed cover to prevent stolen goods into the stuffy,kept in dry and ventilated place and keep threaded part lubricating