SUFA high pressure steam check valve for ethylene unit, etc. Integrating the globe valves and check valves together reduces the number of valves and pipe connections in the system, reducing the complexity and cost of the system. It can both prevent the medium backflow and realize the cut-off function.

1. Size range: NPS 2-20 (DN50-500);
2. Pressure rating: ASME CLASS 900-2500;
3. Design standards: BS 1868, ASME B16.34, etc.;
4. Main materials: superalloy steel, stainless steel, etc.;
5. Connection type: flange end, butt welding end, etc.;