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US Jetting RPD Run-Dry PumpsUS Jetting designs and manufactures a Radial Piston Diaphragm (RPD) Pump. This pump design, first introduced into the US market by Nick Woodhead, founder of US Jetting, LLC revolutionized the high pressure jetting industry. Originating the concept of "High Pressure - Low Flow", these pumps allowed sewer & drain cleaning contractors the ability to clean a broader range of pipe diameters with a single unit. Utilizing half-inch diameter lightweight high pressure jetting hose, pipe cleaning versatility dramatically changed, allowing for residential, commercial, industrial and municipal sewer lines to be cleaned with a single unit.
US Jetting 8 cylinder RPD Radial Piston Diaphragm Pump Powered by a Hatz Silent Pack Diesel EngineUS Jetting RPD 8-Cylinder Pump & Major Components
The RPD design set the standard for the sewer & drain cleaning industry. Using less water at the much high water pressure of 4,000 PSI easily removed grease, roots and debris from pipes. Compact in design and requiring less water storage, these units proved their worth where larger flusher type units were once partially employed. First designed to provide high pressure water for the offshore oil industry by utilizing saltwater, RPD pumps became infamous for reliable long term use at 4,000 PSI without pressure loss or the need for seal replacement to maintain pressure. Although since superseded in design & efficiency by US Jetting Run-Dry Plunger Pumps, RPD pumps maintain a key advantage of using saltwater or brackish water still critical for applications in the offshore oil industry and within shipyards.
RPD pumps could reliably produce 4,000 PSI that other piston plunger pumps could not match until the development of the US Jetting series of Run-Dry Plunger Pumps. With the development of the proprietary US Jetting Run-Dry fluid end, greater flow capacity could be achieved on a less complex plunger pump frame. The US Jetting 4018 Run-Dry pump now produces the near maximum pressurized water flow capable of passing through a half-inch diameter hose for a more efficient unit. Less moving parts and a simple design allow for reduced maintenance time and costs. US Jetting RPD - Radial Piston Diaphragm - Pump powered by 84 horsepower Kubota Turbocharged Diesel Engin, for high altitude applications.
US Jetting 4016 RPD - Pump - Kubota Turbocharged DieselUS Jetting - 4016 RPD Pump 300 Gallon Platform
US Jetting - 4016 RPD powered by a Hatz 3-Cylinder Diesel
US Jetting 4014 RPD powered by a Hatz 3-cylinder diesel with Jump Jet System mounted on a Econo Series platform with a 300 gallon water storage tank, seven position swivel hose reel, 500 feet of half-inch hose,self-contained Anti-Freeze System, Colored Safety Leader Hose and hydraulic brake system. Truck Unit Manufactured July 2008
US Jetting 4016 RPD Pump with a Hatz Diesel Engine mounted on a Ford F-350 Super Duty Diesel 4 Wheel Drive Chassis. Unit has 300 gallon water storage tank, self contained antifreeze system, open wire basked storage bin, two lockable toolboxes & 500" of high pressure jetting hose. Many early sewer & drain cleaning RPD users still prefer RPD pumps, ordering new RPD equipped units as replacements or additions to their inventory. US Jetting still manufactures RPD pumps, maintains a full inventory of spare parts, provides service and promotes their specialized use. US Jetting 4014 RPD powered by a Hatz 3-Cylinder Diesel
US Jetting 4014 RPD powered by a Hatz 3-cylinder diesel with Jump Jet System mounted on a tandem axle trailer, 300 gallon water storage tank, self-contained Anti-Freeze System, 4 lockable tool storage boxes, seven position swivel hose reel, 500 feet of half-inch hose, Colored Safety Leader Hose and electric brake system. US Jetting has the advantage of Run Dry pumps - the ability to run out of water while under the strain of high pressure jetting without causing pump failure or expensive repair damage. High durability with reduced maintenance (and associated costs) result in US Jetting High Pressure Jetting units being more productive and profitable to operate that no other competitor can match. As the below pumpchart shows, Radial Piston Pumps have a unique pressure & flow relationship. As pump output pressure is increased, water flow output decreases. To explain this, as the pressure is increased, more pump oil is allowed to pass between the cylinder wall and the piston of every cylinder. As more oil escapes pass the piston cylinder, less oil volume is available to squeeze the diaphram thus the reduction of water flow output. Before the creation of the US Jeting Run Dry Plunger Pump, the Radial Piston Pump provided high pressure water with unparralleled reliability. Radial Piston Pumps still have desired qualities such as the ability to use saltwater or brackish water for high pressure applications. RPD Pumps can be found in shipyards, offshore oil rigs and on many island communities.
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