Lug BV are mainly used to control the flow of liquids,gases,such as in HVAC,irrigation,OEM and industrial fields.Our products are with an infinite positioning /locking handle as an option on valve size 50mm to 30mm.Manual,wormgear operators are availabe for all valves and are recommended on 200mmto 1050mm.Both wafer and Lug have the same construction and performance with the same materials.The main difference between them is Wafer valves are mounted between pipe flanges by bolts(or extended hexagon-head bolts),while Lug valve can be either mounted between pipes or used at the end of pipe line.