Blue-White Industries’ CHEM-PRO® M Series diaphragm metering pump features include NSF 61 listing (a water treat-ment must); 200:1 turndown; a large, easy to read LCD screen that displays pump output rate; a 4-20 mA output (standard on all models) and a robust #316 stainless steel pump head cover for added strength. These pumps also feature Blue-White’s exclusive DiaFlex® diaphragm, a single-piece unit manufactured 100-per-cent in-house of molded PVDF. There is zero delamination or breakdown with DiaFlex. Optional advanced communications include: Industrial Ethernet, Modbus TCP, ProfiNet, Modbus, and Profibus. CHEM-PRO M is sold and serviced exclusively by highly skilled, factory authorized technicians.