MYERS DP80-20 Pump

Solid Foundation: the core of the power end is a gearbox made of solid monolithic cast iron. It not only provides solid protection for the internal transmission components, but also doubles as a large-capacity fuel tank, providing excellent lubrication for all moving parts through a continuous splash lubrication system. The top cover is designed for quick disassembly, greatly facilitating routine inspection and maintenance.

Excellent transmission system: we use high-strength, forged and heat-treated alloy steel on key transmission components to ensure its performance under continuous heavy loads.

Crankshaft: automotive grade forged heat-treated alloy steel crankshaft, designed for continuous service and maximum life, drawing on automotive industry standards for reliability under extreme conditions.

Gears: both pinion and main gears are machined from high-strength alloy steel and are designed with helical teeth, which not only make the operation smoother and quieter, but also allow the crankshaft to rotate in both directions, providing great flexibility for on-site installation.

Bearing and connecting rod system: strong power requires solid support. The DP80-20 is equipped with a heavy duty bearing system with tapered roller bearings for the main bearings and automotive grade steel-backed inlaid bearings for the crankshaft journal, ensuring minimum friction and longer life. The connecting rod is made of high strength ductile iron with replaceable bronze wrist pin bearings to further enhance the durability of the system.

Hydraulic end: the art of precise pressure bearing

Core structure: hydraulic end pump body made of high strength ductile iron, to withstand up to 2000 psi work pressure to provide a solid structural protection.

Plunger -- the key to performance: the plunger is the core component to achieve high pressure. We use stainless steel with a tungsten carbide coating. This"Superhard" and"Scratch-free" plunger surface after precision grinding, smoothness of up to 12u, excellent wear resistance, can significantly extend the service life of the seal, ensure that the pump remains efficient after a long period of operation.

Sealing technology: high pressure, spring loaded, self lubricating braided packing design. This design is selected for its superior strength, self-lubricating properties, and heat dissipation, enabling it to be used in a variety of complex applications. The seat is made of corrosion resistant aluminum bronze and is designed to allow quick and easy replacement of seals on site.

Valve system: spring-loaded center-post valves with durable acetal valves and stainless steel seats ensure stability and long life in high-speed reciprocating motion. The bonnet is made of ductile iron/stainless steel with nitrile rubber o-rings and spare rings. A key design highlight is that each valve can be serviced independently without disassembly or interference with the inlet and outlet lines, greatly simplifying the maintenance process.

Crosshead and pony: the heavy-duty ductile iron crosshead is axially fixed with a highly polished stainless steel pony (crosshead extension) through threads and pins, ensures rigidity and accuracy of power transmission.

Table 1: Myers DP80-20 detailed technical specifications

The power of a single platform: the core concept of the DP series is its unique"Single power end" platform, which is compatible with a variety of different hydraulic ends and configurations. The Fluid End a (L.P.) of the DP80-20 is just one of these configurations. By selecting different hydraulic end kits, the entire DP series enables full hydraulic coverage with performance ranging from 120gpm@1200psi (approximately 454lpm@83bar) all the way to 27gpm@5500psi (approximately 102lpm@379bar) .
Maintenance-centric design feature: we promoted ease of maintenance as a core product feature, knowing that downtime is the largest hidden cost in our operations. Every aspect of the DP80-20 is designed to reduce maintenance time, turning costly outages into predictable and manageable routine tasks.
Convenient Interface: the location of the inlet and outlet pipeline interface is carefully designed for quick connection and maintenance.
Independent valve service: as mentioned earlier, all valves can be serviced independently without touching the main line, saving valuable time during emergency repairs.
Revolutionary oil seal replacement: the replacement design of the"Pony" rod oil seal is the best manifestation of field maintainability, and technicians can complete the replacement without dismantling the entire hydraulic end, what could have taken hours or even a day was reduced to a quick, on-site task.
Diverse Drive options: in addition to standard mechanical drives, the DP series offers hydraulic drive configurations that further enhance its integration with mobile devices and different power sources.

The DP80-20 has proven its superior value and reliability in several key industrial areas with its unique combination of high flow, strong pressure, and rugged construction.

Municipal and sewer cleaning: the 80 GPM high flow rate provides a powerful flushing capability that quickly removes loose debris and silt from the pipes, while the 2000 psi high pressure breaks down and peels away stubborn blockages, roots, grease, and hardened matter. This golden combination of features makes it the preferred equipment for efficient trunk cleaning and sewer dredging by municipal service contractors and utilities.

Horizontal vs. vertical drilling: although the term"Mud pump" is often associated with large-scale oil and gas exploration, DP80-20 plays a crucial role in specific drilling areas. It is not designed for large-scale oil recovery, but for applications such as horizontal directional drilling (HDD) , water well drilling, geothermal drilling, and core drilling, it is an excellent, modest-sized mud pump. Its rugged hydraulic end and wear-resistant plunger effectively process drilling fluid (mud) containing abrasive particles, providing the bit with the necessary lubrication, cooling and cuttings removal functions.

Mining applications: the versatility of the DP80-20 is also demonstrated in mining operations. It can be used for underground dust removal, high-pressure washing of heavy equipment, liquid transport in ore processing, and mine drainage and other tasks. It is able to handle pH values in
4 to 11, allowing it to adapt to the changing chemical environment of the mine.

Industrial cleaning and hydraulic applications: the high-pressure capabilities of the DP80-20 make it ideal for a variety of industrial cleaning tasks, including hydraulic sand blasting, heat exchanger and reactor internal cleaning, steel descaling and concrete surface treatment. In addition, it can also be used for hydraulic excavation and other occasions that require precise control of high-pressure water flow.

Comprehensive original spare parts support: our long-term commitment to products is reflected in a mature and stable spare parts supply chain. From the smallest gaskets and o-rings to core components such as crankshafts and hydraulic end pump bodies, we offer a full range of OEM spare parts. This wide availability of spare parts is a key advantage that sets our products apart from competitors with less-than-robust support networks. It ensures that your equipment doesn't go out of production because a small part is missing.

Maintenance kits for simplified maintenance: to further simplify the maintenance process, we offer pre-configured maintenance kits, such as the popular hydraulic end maintenance kit (SKU 17678A066) . These kits contain all the necessary components for a standard overhaul, not only simplifying the ordering process, but also ensuring that technicians have the right parts on site, thereby reducing maintenance errors and delays.

Empowering customers: we provide customers with the confidence to carry out self-maintenance by providing detailed service manuals and component breakdown diagrams. CLEAR instructions and professional documentation enable your team to follow manufacturer's specifications to ensure maintenance quality and long-term reliability of the equipment. Our recommended maintenance plan (e. g. , daily oil level check, oil change every 300 hours, packing check every 500 hours) outlines a clear path for you, to maximize the life of the equipment.

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