Design standard ：API 6D API 608 ISO 17292
China Fully Welded Ball Valve Product range ：
1.Pressure range ：CLASS 150Lb~2500Lb
2.Nominal diameter ： NPS 2~60″
3.Body material：Carbon steel, Stainless steel, duplex stainless steel, Alloy steel, Nickel alloy
4.End connection ： RF RTJ BW
5.Mode of operation： Lever, Gear box, Electric, Pneumatic, hydraulic device, Pneumatic-hydraulic device;
China Fully Welded Ball Valve Product features：
1 Flow resistance is small;
2.Piston seat, fire safe, antistatic design;
3.No limitation on the flow direction;
4.When valve is in full open position, seat surfaces are outside flow stream that always in full contact with gate that can protect seat surfaces, and suitable for pigging pipeline;
5.Spring loaded packing can be chosen;
6.Low emission packing can be chosen according to ISO 15848 requirement;
7.Stem extended design can be chosen;
8.Metal to metal seat design can be chosen;
9.DBB，DIB-1，DIB-2 structure can be chosen;
10.The ball is fixed with a supporting plate and a fixed shaft;
11.Single welding joint or double welding joint design can be chosen.