No-valve Qdos chemical metering pumps from the Watson-Marlow Pumps Group deliver flow rates from 0.001 to 15 gph (0.1 to 1,000 mL/min) at 100 psi (7 bar) while reducing maintenance by eliminating the pulsation dampener, diaphragm pump, float switch, backpressure valve, foot valve and strainer.“Each component in any system requires maintenance,” says Bill Schiller, district sales manager, Watson-Marlow Pumps Group. “When an ancillary item — be it foot valve, degassing head or backpressure valve — is eliminated, the maintenance time and cost is eliminated as well. Each of these ancillary items also has an install point that can leak, adding
