Used ARO Diaphragm Pump PD20S-BSS-STT-B, manufactured by Ingersoll Rand, 2 inch BSP connections, Air motor/air cap material stainless steel, Fluid cap and manifold material stainless steel, hardware material stainless steel, seat material 316 stainless steel, ball material PTFE, Diaphragm material PTFE, Max flow 651.1 LPM, max fluid pressure 8.3bar/120PSI. Previously used on personal care products.