How to make a choice between Airless piston pump and Airless diaphragm pump? below are some advantages and disadvantages for your reference. Advantages Disadvantages Diaphragm Pump Spraying • Good, tight pressure control across a full range of pressures • High free-flow rates, good for high-volume transfer of fluids for texture applications, water, and so forth • Lower initial purchase price Runs continuously Higher maintenance costs Difficult to prime Cavitates easily-air is introduced into the system possibly causing erratic flow or spitting. This usually is because the pump isn’t strong enough to move the coating material. Poor performance with higher viscosity fluids as mentioned above Must be kept clean (small moving parts) Requires constant maintenance Hydraulic oil leakage Frequent diaphragm failure Piston […]