The Flojet D3131 series pumps are 12v DC and suitable for continuous duty as a medium volume water supply or chemical spraying pump. The D3131-V5011 has a built in pressure switch with a cut-out pressure of 420 kPa and comes with VITON diaphragms and VITON 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). Particularly suitable for chemical pumping or spraying as Viton has fantastic chemical resistance capabilities. Click here to download the pdf spec sheet.