Arbe Two-Stage Vacuum Pump – 3 CFM, 1/2 HP for Jewelry Casting The Arbe Vacuum Pump is engineered to deliver exceptional performance for professional jewelry casting applications. Designed for reliability and deep vacuum draw, this two-stage, direct-drive vacuum pump features a powerful 1/2 HP motor and 3 CFM free air displacement, making it ideal for vacuuming RTV molds, urethanes, investment, invested flasks, and vacuum-casting small solid flasks. Vacuuming is a critical step in the jewelry casting process—all RTV molds must be vacuumed to remove trapped air bubbles that can cause surface defects and casting failures. The Arbe Vacuum Pump provides a strong, consistent vacuum to ensure clean molds, dense investments, and high-quality cast results. Powerful Two-Stage Performance This pump delivers a deep vacuum draw of 29-1/2 inches of mercury (75 cm) at sea level, allowing air to be efficiently removed from molds and investments. The two-stage design ensures faster evacuation and higher ultimate vacuum levels than single-stage pumps, making it suitable for both mold preparation and small-scale vacuum casting. Key Features Two-Stage Deep Draw Vacuum Pump – Faster evacuation and higher vacuum levels 1/2 HP Direct-Drive Motor – Reliable, continuous-duty performance 3 CFM Free Air Displacement – Ideal for jewelry casting and mold work Draws 29-1/2" Hg (75 cm) at sea level Exhaust Mist Filter – Reduces oil mist and keeps work areas cleaner Compact, Bench-Friendly Design – Powerful performance in a small footprint Specifications Motor: 1/2 HP Pump Type: Two-stage, direct drive Air Displacement: 3 CFM Maximum Vacuum: 29-1/2" Hg (75 cm) at sea level Oil Included: 1 pint (473 ml) Applications: Jewelry casting, RTV molds, urethanes, investment, vacuum casting Applications Vacuuming RTV rubber molds Degassing urethanes and silicone Vacuuming investment and invested flasks Vacuum casting small solid flasks Jewelry manufacturing and repair shops The Arbe Two-Stage Vacuum Pump is a trusted, professional-grade solution for jewelers who require deep vacuum performance, consistent results, and dependable operation throughout the casting process.
