Used Blagdon Air Operated Double Diaphragm Pump, manufactured by Blagdon Pump, 2007, Model no. X5004SSBBTTS, 2inch BSP connections, wetted components 316L Stainless steel, non-wetted parts 304 stainless steel, valve type ball, suction orientation bottom, diaphragms PTFE, valve balls PTFE, valve seats stainless steel, Atex Certified, Capacity 500 LPM, max working pressure 8.6bar/125PSI.