3CFM Casting Vacuum PumpThe Arbe Vacuum Pump is designed to provide exceptional performance for the demanding jewelry casting process. The pump features a two stage, direct drive system with a 1 2 hp motor and 3 cfm free air displacement pump. Use this powerful, compact vacuum pump for RTV molds or urethanes, investment and invested flasks, plus vacuum cast small solid flasks. All RTV molds must be vacuumed to remove air bubbles. Draws 29 1 2" mercury (75cm) at sea level.
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