vanne papillon haute performance à double excentration

With simple structure, light weight, quick opening speed, high performance butterfly valve consists of the piston type cylinder and the wafer type butterfly valve, and the spring return type valve can support automatic reposition function (air to open and close) when the air and power were cut off. This vanne papillon double excentration is widely applied in the industrial pipeline fields of metallurgy, environmental protection, traitement de l'eau, pétrochimique, pouvoir.