Applicable standards:

Implementation Standard: GB/T12234-2019

Face-to-Face Dimensions Standard: GB/T12221-2005

Flange Dimensions Standard: HG/T9113.1-2000

Testing Standard: JB/T9092-1999

Features:

1:Full port/standard port;FP,SP

2:Outside screw and yoke;

3:Bolted bonnet,BB;

4:Flexible wedge;

5:Rising stem;

6:Overall valve seat;replaceable seat

7:Hard faced 13CR%,STL etc

8:Others:NACE standard is workable;OEM/ODM;

Support customization.