Nominal size | 2-1/16″ to 4-1/6″ |
Rated pressure | 2000-15000 psi |
Temp. class | LU (-46 to +121°C) |
Standard class | PSL-1 ~ PSL-3 |
Performance class | PR1~PR2 |
Material class | AA, BB, CC, DD, EE, FF, HH |
Check valve (single flow valve)
Check valve (single flow valve) is designed by poppet valve and spring. It can be driven by fluid to prevent medium backflow. It is suitable for high pressure and high temperature service places, including high pressure mud choke manifold, high pressure Christmas tree injection equipment and choke line.