IDECO 700-F Pump

Power End: the cornerstone of forging strength and precision engineering

Structural Framework: Power Rack

The frame of MM-700-F is welded with high-strength low-alloy steel and heat treated after welding.

Transmission core: crankshaft and gear system

Crankshaft material science: Crankshaft is the heart of the power end, we have chosen for its top forged alloy steel, such as 42CRMO.

Herringbone gear system: we provide the MM-700-F with a state-of-the-art continuous-tooth herringbone gear system. Compared with the traditional helical gear, herringbone gear can achieve a smoother transition and larger contact area in meshing.

Bearing ultimate load: bearing, crosshead and guide plate

Bearing Configuration: to effectively manage radial and axial loads, we strategically configured heavy-duty roller bearings, including spherical, tapered, and cylindrical roller bearings, at critical locations on crankshafts and intermediate shafts. This optimized bearing combination ensures smooth rotation of the drive system under all loads and minimizes friction losses.

Crosshead and guide plate: the Crosshead is the key component for connecting rotary motion and reciprocating motion. It is made of high quality ductile iron or cast steel, while the guide plate is made of bronze with high wear resistance. More importantly, the guide plate is designed to be replaceable and gap adjustable. This feature is key to extending pump life because it allows the operator to restore the precise fit clearance of the component by adjusting the gasket after prolonged use, thus effectively preventing premature failure of connecting rods and seals due to wear.

Monolithic High Strength: forged hydraulic end modules

Our hydraulic end modules are made from top grade monolithic forged alloy steels such as 35CrMo or 40CrMnMo. Each module is subjected to a computer-controlled multi-stage heat treatment and internal hardening for superior durability and resistance to fatigue cracking, maintaining structural integrity even under ultimate pressures up to 7500 psi.

Wear-resistant interface: excellent workmanship of cylinder liner and piston

Option 1: High Chromium cylinder liner (perfect sublimation of industry standard)

Manufacturing Process: this bimetallic liner is a classic construction. The casing is made of high strength 45 # forged steel with a tensile strength of over 610 MPa, providing a solid structural support for the cylinder liner. The inner lining is made of a special ferroalloy containing up to 26-28% chromium and an appropriate amount of molybdenum by centrifugal casting process.

Performance: after precision heat treatment, the hardness of the inner hole of the high chromium inner bushing can stably reach the level of Rockwell hardness HRC 62-69. This enables a reliable service life of over 800 hours under standard drilling conditions. Our unique"HP" lip design effectively prevents the inner bushing from sliding under high pressure and ensures stable operation.

Option 2: Zirconia ceramic liners (the ultimate in extreme performance)

Materials Science: Zirconia (ZRO2) is a state-of-the-art engineering ceramic material with comprehensive properties far superior to conventional alumina ceramics. It has higher fracture toughness, which means it is more resistant to impact and thermal shock, and it has an amazing Rockwell hardness of HRC 92-94, which means it can resist abrasive wear in almost any drilling fluid.

Manufacturing and finish: we precision-assemble prefabricated zirconia ceramic sleeves into forged steel housings and hone their bores to mirror-level surface finish of 4-8 RMS using advanced honing techniques.

Piston technology: reliable sealing under high pressure

Polyurethane bonding piston: using one-piece bonding structure, the special formula of double hardness polyurethane material is firmly bonded on the steel core hub. This design completely eliminates spill paths and is ideal for oil-based muds and high temperatures up to 350 °F (177 °C) .

Replaceable rubber pistons: Made of tough, durable bunan rubber and treated with fabric reinforcements, they are an economical choice for water-based mud applications. Its replaceable design allows the user to replace only the rubber part while the core hub is intact, effectively reducing long-term operating costs.

Component Strength: piston rod, valve and seat

Piston rod and intermediate rod: all rods are precision machined from high quality heat treated alloy steel. Its surface is treated by induction hardening to form a hard wear-resistant layer and is polished to mirror finish to ensure a perfect seal with the packing and minimize wear.

Valves and seats: our valves and seats are made of carburized high quality alloy steel and are precision machined to fully meet or exceed API 7K. This not only ensures its durability under harsh working conditions, but also ensures its complete interchangeability with other mainstream OEM brands in the industry, which provides great convenience for customers' spare parts management.

Table 1: key technical specifications of IDECO MM-700-F

Table 2: performance data-pressure and displacement at different liner sizes

This performance chart is a key tool in application engineering, allowing customers to view the parameters of different liner sizes and stroke rates, depending on the specific requirements of their drilling program, to determine whether the pump meets its dual requirements of flow and pressure. The data are calculated based on 90% mechanical efficiency and 100% volumetric efficiency, with reference to the performance curves of pumps of the same class.

Note: maximum discharge pressure is limited by pump power rating and maximum rod load. Higher pressure can be obtained at lower stroke times. Please consult our technical support for details.

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