ARO 3” Ported Powder Transfer Pump – 100 PSI (6.9 Bar). Transfer and handle your dry process powders quicker, cleaner and at a fraction of the cost associated with installed 'systems'. Replaces Manual Powder Processes. Reduce Airborne Contamination - With direct transfer from the powder container to your recipe. Unique Patented Air-Induction System - Avoids the possibility of powder pack-out. Economical and Simple - Unlike large, complex systems. Portable - Can be moved from site to site. Advanced Air-Induction Technology - 4-Way air efficiency valve, delay timer, pump major air valve, air induction valve, main air control valve and air motor muffler. NPT, BSP and Tri-Clamp material connections. Pump Casing Materials: Aluminum & Stainless Steel. Diaphragm Materials: Santoprene & Medical grade Santoprene