... Style:Lever,gear,actuator,pneumatic Description:The grooved end butterfly valve offers an easily installed choice to cumbersome, multi-bolt wafer ... characteristics with low torqueoperation. The size of grooved end butterfly valve we can offer is from DN50~DN300with ductile ... and metal seated) gate valves, globe valves,check valves,butterfly valves, ball valves, plug valves strainers, etc.in accordance ...