Top Entry Trunnion Mounted Ball Valve
- 双恒
- China
Main features: Ease for online overhaul and maintenance. When valve needs to be repaired, it doesn’t need to remove the valve from the pipeline, just remove the body-bonnet joint bolts and nuts, and then move out the bonnet, stem, ball and seats assembly to repair the parts. It can save maintenance time.
Design standard ：API 6D API 608 ISO 17292
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.Working temperature ：-29℃~350℃
6.Mode of operation： Lever, Gear box, Electric, Pneumatic, hydraulic device, Pneumatic-hydraulic device；
Product features：
1.Flow resistance is small, fire safe, antistatic design;
2.piston seat,，DBB design；
3.Bidirectional seals, no limitation on the flow direction；
4.Tope entry design ,easy for online maintenance；
5.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;
6.Spring loaded packing can be chosen;
7.Low emission packing can be chosen according to ISO 15848 requirement;
8.Stem extended design can be chosen;
9.Soft seat and metal to metal seat can be chosen.
