The Flojet D3131 series pumps are 12v DC and suitable for continuous duty as a medium volume water supply or spot spraying pump.   The D3131-E5011 has a built in pressure switch with a cut-out pressure of 420 kPa and comes with EPDM diaphragms and EPDM check valves.   This particular model is suitable for use with many chemicals, sea water, fresh water, sugars, whisky and wine.   Chemical resistant materials (see chart for details - click here)   Click here to download the pdf spec sheet.