Positive displacement pumps are just that. For every revolution of the shaft each cylinder or chamber displaces a certain amount of water based on bore and stroke. Directed by valves this water must go somewhere or the pump will be damaged.
Due to these characteristics, systems must be carefully designed with safety relief and unloader or by-pass valves carefully adjusted.Cat pumps is perhaps the finest pump made. Their slogan "The Pump with Nine Lives" is true. Primarily because of the superior materials used in their triplex piston and plunger pumps. Crankcase and valve seat life make up for higher cost of Cat pumps. Over 40 years in the market they offer a full line of accessories, pumps and valves. Belt and direct drive.
Comet Pump is the relative newcomer in the American market. Their value for the dollar has given them ever increasing market share. You can "Count on Comet Quality".
GIANT pumps German quality roots have served them well. From the small GX and HR series followed by the P200, P300 and P400 series for homeowner and pressure washer use up to the SP, LP, MP and GP Industrial pumps. A complete line of accessories include nozzles, unloader valves, pulsator valves, Lances, Guns, Chemical injectors and Safety valves and controls
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Annovi Reverberi is a division of the Italian A/R SPA company the world largest privately owned company of triplex pumps. Serving the residential, commercial and industrial markets. Pumps for pressure washers, car wash, misting & cooling, carpet cleaning and reverse osmosis.
GENERAL PUMP since 1982 along with parent company INTERPUMP has been a world leader in development. Located in Minnesota their large manufacturing and distribution center caters to all markets in need of quality high pressure pumps and accessories.
Contact us at 586-949-3320, e-mail RLRABINE@VOYAGER.NET
46735 Jefferson Ave., Chesterfield, Mi., 48047