Poligon Valvulas Industriais Ltda.  

Small company established in 1991. First activities was instrumentation engineering project. 2nd activities was valve overhauling. Now we are manutactures of butterfly valves for non usual processes. Seats and discs of PTFE and UHMWPE. EPDM are also manufactured seats and discs. Bodies are made of cast iron, WCB, CF8 and CF8M.
ND ranging from 2" to 24" acording to API609A.
We also manufacture ball control valves. Inherent characteristic are =% and linear. Split range also available. ND ranging from 1/2" to 4". CV's 0,02 to 600. Ball and stem are made of AISI 304/316. Seats are made of PTFE, UHMWPE and others materials due to chemical compatibility.