AKO Armaturen & Separations GmbH has released its air operated pinch valves – AKO VA Series. The VA series air operated pinch valves are now available in the nominal diameters DN040-DN150. They are made with a flange connection conforming to DIN EN 1092 (PN10/16) as standard. The body and both of the flanges of the VA series are made in stainless steel AISI 1.4404. The body and flanges are electro-polished as standard.