Very compact and reliable diaphragm pumps for medium to large volume transfer , dosing, spraying and dispensing a variety of fluids. Polypropylene pumps have a polypropylene air motor. Typical applications for these pumps are transferring and dispensing of windshield washer and antifreeze solutions. They can be used as stand-alone pumps for transfer applications or as systems pumps in distribution systems that include hose reels. This model is a fully groundable ATEX certified pump, for use in potentially explosive atmospheres