Applicable standards:

1. 1. Implementation Standard: GB/T12234-2019

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

   3. Flange Dimensions Standard: HG/T9113.1-2000

   4. 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.