The Chinabase manual actuators and multi-turn actuators are constructed in a WCB, HT200, and D2, A148 design. These are suitable for use as gate valves, check valves, plug valves, ball valves, butterfly valves, etc. Furthermore, they are available in the flange series that includes an API-flange with manual welding, welding neck flange, big diameter pipe steel flange, concave and convex butt-welding flange.