Double Diaphragm Pumps
Graco’s double diaphragm transfer pumps are designed for a broad range of transfer applications, including most corrosive and abrasive chemicals. Our chemical transfer pumps come in pneumatic and electric options, with many flow rates and sizes. Both metal and plastic housings can easily handle corrosive and abrasive fluids. Each of our transfer pumps are thoroughly tested before they leave our factories.
RUGGEDLY CONSTRUCTED FOR OUTDOOR ENVIRONMENTS
AIR OPERATED AND ELECTRIC DOUBLE DIAPHRAGM TRANSFER PUMPS
Designed with fewer parts than competitive pumps, Graco’s double diaphragm transfer pumps feature our stall-free, low pulsation air valve, which is externally accessible—ensuring rapid changeovers and minimum downtimes. Ideal for corrosive and abrasive liquids such as acids and other chemicals. High-quality machined design provides a precision fit and superior chemical containment compared to molded pumps.
Customizable Fluid Sections
Easily customize your fluid selections with Graco’s double diaphragm transfer pumps with housings that can handle corrosives and abrasives.
Multiple Power Sources
Depending on your needs, Graco’s double diaphragm transfer pumps are available in both air and electric configurations. Each offers a similar range of features and benefits.
We design and build our double diaphragm pumps to hold up in the harshest outdoor working environments—from oilfields to dams. The best materials and the highest quality standards results in pumps that are built to last.
Browse Double Diaphragm Pumps
Graco’s ChemSafe pumps feature PTFE or UHMWPE (ultra high molecular weight polyethylene) corrosion-resistant fluid paths, which make them ideal for corrosive and abrasive chemicals. The pumps do not have any exposed metals and can be configured to meet most abrasion, temperature, and chemical compat...
Husky Air Operated Double Diaphragm Pumps
Graco’s line of Husky pneumatic double diaphragm pumps are manufactured with your productivity in mind – providing you with one of the most reliable and efficient pumps in the market. Each diaphragm pump is tested before leaving our factories.
Husky Electric Double Diaphragm Pumps
Graco’s line of Husky electric double diaphragm pumps combine all of the benefits of a traditional air operated diaphragm pump like self-priming, stalling under pressure, and increased diaphragm life with the benefits of an electric pump like energy cost savings, reduced pulsation, and increased pum...