China Fully Lug Butterfly Valve with Lock Lever

Small in size and light in weight,easy to install it can be mounted wherever needed,suitable for various actuators.Lug type butterfly valve can be used on the end of the pipeline.Lug type butterfly valve has threaded metal inserts(usually stainless steel)installed in the valve's bolt holes.The inserts are threaded on both ends,which allows this lug style valve to be installed into a system using two sets of bolts and no nuts for each hole.The disc is painted with Akzo,it can be used for drinking water system.The valve is installed between two flanges using a separate set of bolts for each side of the flange.This setup permits either side of the piping system to be disconnected without disturbing the other side.When used in the end of pipeline service,it has a reduced pressure rating E.g,it rates 150 PSI when mounted between two flanges,while it rates just 75 PSI when mounted in the end of pipeline service.


Features:short in length ,installed easily .Small and light ,tightly sealed easy in mainte-nance.Two torsion springs are used excreting on each of the pair valve plates,Which close the plates quickly and automatically.The quick-close action prevent the medium from flowing back and reduce water hammer pressure.Can be installed both horizontally and vertical descending on pipeline.Safe and reliable in operation high interference-resistance.