Lug Type Butterfly Valves are mainly used to control the flow of liquids,gases,such as in HVAC,irrigation,OES,and industry fields.Our products are with an infinite positioning/locking handle as an option on valve sizes 50mm 300mm.Manual,wormgear operators are available for all valves and are recommended on 200mm 1050mm sizes.Both Wafer Type and LugType have the same construction and performances with the same materials. The main difference between them is Wafer Type valves are mounted between pipe flanges bu bolts(or extended hexagon-head bolts),while Lug valves can be either mounted between pipes or used at the end of pipe line.