Creative Engineers now offer 2 lend  3 piston stainless steel / cast iron high pressure piston pump for clear water & light acidic chemicals. The capacitor pump is 16 LPM and maximum pressure will be 450 PSZ (31 81 cm2 ). This pump is widely used in cleaning, Agricultural and  in reverse osmosis applications(piston pump SS, high pressure pumps plunger pump SS cleaning pump SS/C2).