Triple M Upstream, a division of Brazil-based Triple M, has secured 3 important orders to manufacture special rubber seated butterfly Mack valves for Petrobras. In a package of more than $300,000 calling for 70 valves, Triple M will supply Duplex Trim Valves following the API 609 Class A requirements. Triple M is one of a select few manufacturers of API 609 Class A valves in Brazil who meet the stringent requirement of Anti-Blowout stem for Butterfly valves.