Manual switch cast steel butterfly valve with flange connection and retractable function.

Short Description:

This  butterfly valve  is  suitable  to temperature≤80℃,is  used on petroleum,chemical industry foodstuff medicine gently the spin- ning  and  papermaking,power,plumbing  and  gas  pipe  route,and does the effect adjusted the volume of flow and dams a river the medium.Possess the bloated cold function that contracts of com- pensation pipeline heat.