Non-Metlic Air Operated Double Diaphargm Pump PVDF air operated double diaphragm pumps can transport high viscosity fluids such as paint, sludge and sewage, but the flow rate and pressure depend on the actual application. If you have any questions about compatibility with high viscosity fluids, please call our application experts for more information. 鈼?PVDF air operated double diaphragm pump can deliver fluids with viscosity up to 11,000 cp. 鈼?Air motor eliminates sparking problems ****ociated http://www.gnspumps.com/aodd-p....ump/non-metlic-air-o