Small size , light weight and easy
maintenance the above series of valves can be used as device to
cut-off or regulate the flow in various medium pipes .through
selection different materials of disc and seal seat ,as well as the
pinless connection between disc and stem , the valve can be applied
to worse conditions , such as desulphurization vacuum , sea water
desalinization . lug butterfly valve allow downstream pipelines and
equipments online repair , and it can be on pipe ends as
exhaust valve .
