Trunnion mounted ball valves are an excellent choice for on/off service in large high pressure applications because the ball is secured at the top and bottom of the design. Ball valves are designed in accordance with ASME B16.34 and API 608, API 6D or BS
In the modern society with rapid technological progress, due to the wide application of spindle motors, coupled with its meticulous workmanship, fast speed and high motor processing quality, other ordinary motors cannot meet the technical requirements of