7 MAY 2021 WorldWide Drilling Resource® Mud Pumps Keep HDD Operations Cool Adapted from Information by Gardner Denver Horizontal directional drilling (HDD) is used for many different projects. Utility contractors use this method to install cables and pipelines, while construction companies use HDD to place highway ducts, and water lines under existing roads, rivers, or other sensitive areas. The gas and oil industry has used HDD technology to increase production from underperforming wells, and environmental remediation of contaminated sites is another beneficial use of HDD. The process involves boring a tunnel beneath the surface and placing a conduit in the borehole to pull the product into position. This reduces surface damage and eliminates the need for trenching. HDD pumps - also known as drill pumps, mud pumps, and high-flow pumps - are an essential component to HDD operations. Boring underground requires drilling fluid combining water and bentonite clay to remove cuttings, stabilize the borehole, cool the cutting tools, and lubricate the pipe string. Most mud pumps are positive displacement, reciprocating pumps comprised of a power end and fluid end assembly. A diesel engine or electric motor acts as the pump power source. The power end converts the rotation of the driveshaft to a reciprocating motion by using a crosshead assembly. The fluid end uses this reciprocating action to achieve the function of pumping the pressurized mud. The fluid end assembly is comprised of a suction and discharge module, manifolds, pistons, liners, and valve assemblies. Most of the fluid end assembly components are high-wear items. The drilling pump rotates the drill bit which removes the material. As the drill bit is rotating, the pressure and fluid produced by the drill pump help stabilize the tunnel. The mud extracted from this process is then filtered and reused for drilling fluid. A drilling pump should be able to provide a constant flow rate of fluid at a specific pressure. Over the past century, numerous mud pump design configurations have been introduced. The most common designs on the market today are duplex, triplex, and quintuplex models. The designs have horsepower ratings from 750 - 2400 horsepower. DIR Nitrate Coated Premium Liners 5x6, 5x8, & 5x10 Gardner Denver 5-1/2x8 & 5-1/2x10 Gardner Denver 7-1/2x8 & 7-1/2x10 Gardner Denver Rods Heat-Treated & Chromed 5x6, 5x8, & 5-1/2x8 Gardner Denver 5x10 & 5-1/2x10 Gardner Denver 7-1/2x8 & 7-1/2x10 Gardner Denver New Pumps In Stock Gardner Denver 4x5 TEE Triplex. Gardner Denver 5-1/2x5 TEE Triplex Gardner Denver 4x5 or 4-1/2x5 Duplex Gardner Denver 5x6 Duplex Gardner Denver 5x6 Air Drive Duplex Gardner Denver 5x8 Duplex Gardner Denver 5-1/2x8 Duplex Gardner Denver 7-1/2x8 Duplex Gardner Denver 7-1/2x10 Duplex Gardner Denver 5-1/2x5 THE Triplex Gardner Denver 5x8 PAH Triplex Call for Prices. We Have a Variety of Brands of Mud Pump Parts and Power Units in Stock. Special or Obsolete Parts Made to Order. Cash for Surplus Mud Pumps. Rebuilt Mud Pumps 4-1/2x6 Gaso Duplex 4-1/2x6 Oilwell Duplex Gardner Denver 4-1/2x8 PA-8 Triplex Gardner Denver 5x6 Duplex Gardner Denver 5x10 Duplex Gaso 5x10 Duplex OVER 300 PUMPS IN STOCK Armstrong Machine Co. Inc. Pocahontas, IA 50574 USA 712-335-4131 ~ 24 Hours 7 Days a Week • Fax: 712-335-4565 800-831-4527 USA & Canada (8AM to 4PM Monday-Friday) armstrongmachine.com amci@armstrongmachine.com Hydraulic Grout Pumps 5”, 6”, & 7-1/2”
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