Overview of TGE series specifications
Gardner Denver TGE series is a horizontal triplex piston pump designed for intermittent high pressure service. Its performance parameters are carefully matched to ensure stable and reliable power output in harsh operating environments.
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Specifications and parameters |
Gardner Denver TGE series |
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Type of pump |
Triplex plunger service well pump |
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Rated power |
165hp to 275hp -LRB-depending on model and configuration) |
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Maximum stroke speed |
175SPM |
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Stroke length |
8 inches |
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Maximum load of piston rod |
22,030 lbs to 44,000 lbs |
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Gear ratio |
4.7:1 |
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Maximum work stress |
Up to 10,000 PSI (using corresponding high pressure hydraulic end) |
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Maximum displacement |
Up to 357 GPM (with corresponding cylinder liner) |
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Approximate weight |
About 9,800 lbs (4,445 kg) |
Engineering and structural analysis: the cornerstone of TGE reliability
The remarkable performance of the TGE pump derives from its rugged core design. From the power end to the hydraulic end, each component is selected and constructed to maximize service life, reduce maintenance, and reduce total cost of ownership.
Power End: the overall advantage of ductile iron frames
The power end of the TGE pump, including the frame, eccentric shaft and connecting rod, are all made of nodular cast iron. This design option has fundamental advantages over conventional welded steel plate racks.
Drivetrain: combination of precision and durability
Gear design: the transmission system of the pump adopts the alloy steel main gear after heat treatment, and is processed into * * double helical tooth (herringbone tooth) * * structure. Herringbone gears are unique in that their opposite helical profiles naturally counteract the axial thrust generated during operation. Bearing configuration: double row spherical roller bearings for eccentric shafts and heavy duty roller bearings for intermediate shafts. This rugged bearing combination is designed to withstand the triplex pump's radial and axial forces at high loads, ensuring smooth rotation and long service life at the power end.
Lubrication system: TGE Pump adopts the dual system of full splash lubrication and forced oil pump lubrication. This design ensures continuous and adequate lubrication of all key moving parts (such as bearings and Crosshead Skateboards) at all speeds, effectively preventing premature wear due to insufficient lubrication.
Hydraulic end: designed for extreme high pressure environments
Hydraulic end is the core of the mud pump, directly under the test of high pressure and abrasive fluid. The hydraulic end design of TGE pump fully embodies the ultimate pursuit of durability and reliability.
High strength forged cylinder block: the hydraulic cylinder is forged from high strength alloy steel (35CRMO or 40CrMnMo) in one piece and subjected to strict heat treatment.
Autofrettage: the hidden source of Strength: Gardner Denver uses proprietary Autofrettage technology in the manufacture of its high-pressure hydraulic cylinders. It is a precision-controlled cold-working process, the science of which is based on a fundamental optimisation of the stress distribution of the parts:
First, an ultra-high internal pressure is applied to the hydraulic cylinder, far exceeding its operating pressure.
Under this pressure, the metal layer near the inner wall deforms plastically and is permanently stretched.
At the same time, only elastic deformation occurs in the less stressed outer metal.
When the pressure is removed, the elastic outer layer attempts to recover, but is hindered by the permanently deformed inner layer.
As a result, the outer layer has a strong squeezing effect on the inner layer, creating a permanent, strong compressive residual stress in the inner wall of the cylinder, the region most prone to fatigue crack initiation.
We insist on using the highest quality materials and the most stringent manufacturing standards to ensure that each factory TGE pump and its accessories can achieve the highest level of performance.
Materials Science for core components
We provide TGE pumps with a range of wearing parts made of advanced materials that customers can optimize according to the specific working fluid and pressure environment to achieve the best performance and lowest operating costs.
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Components |
Material Options |
Manufacturing process |
Major advantages and ideal applications |
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Hydraulic cylinders |
Wrought alloy steel (e.g. 35CrMo) |
Forged, heat treated, self-reinforced |
Extreme fatigue life and pressure carrying capacity. Suitable for all high pressure operation. |
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Piston rod |
Forged alloy steel (42CrMo) |
Forging, heat treatment |
High tensile strength to withstand piston rod loads, while surface hardening provides superior wear resistance. |
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Valves and seats |
Wrought alloy steel (e. g. 20CrMnTi) |
Carburizing and quenching (hardness > HRC 60) |
Extremely high surface hardness, which can effectively resist the erosion of high abrasive drilling fluid. Meets API-7K standards. |
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Valve rubber |
Polyurethane |
Compression molding |
It has excellent chemical corrosion resistance and sealing performance for all kinds of drilling fluids, and long service life. |
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Plunger |
Colmonoy/ceramics/tungsten carbide |
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Offers a wide range of options from standard operating conditions (stellite) to highly abrasive (ceramics) to extreme wear (tungsten carbide) environments. |
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Cylinder liner |
Bimetal/ceramic |
Centrifugal casting/sintering |
Bimetallic liners provide durability for general use, while ceramic liners provide maximum service life for highly abrasive mud. |
API-7K standard: guarantee of quality, safety and interchangeability
TGE pumps and their key components are API-7K compliant. For customers, API certification is not just a piece of paper, but a promise of multiple values:
Safety Guarantee: the equipment has been strictly reviewed and tested to ensure that it can safely withstand rated pressure and reduce the risk of high-pressure leakage or equipment failure on site.
Quality traceability: all materials and manufacturing processes are documented to ensure consistency and reliability of product quality.
Precision interchangeability: API-7K OEM fittings ensure dimensional accuracy and perfect interchangeability. This means that the components can be installed in place at one time without additional grinding or adjustment during on-site maintenance and replacement, greatly shortening the downtime and ensuring the continuity of the operation. This is a core advantage that can not be matched by non-certified spare parts.
Application areas and total cost of ownership analysis
With its robust design and reliable performance, the TGE pump is ideal for a variety of critical oilfield service applications.
Designed for mission critical applications
Cementing and acidizing operations: these operations are usually one-offs and must not be missed. The self-reinforcing hydraulic end and robust power end of the TGE pump provide the extremely high reliability required to complete the job, ensuring that cement slurry or acid can be pumped into the well accurately and uninterruptedly.
Kill and hot oil services: these operations usually involve high pressure and corrosive fluids. TGE pumps offer a wide range of options for fluid-end components, such as stainless steel and aluminum bronze, to effectively resist chemical corrosion and high temperatures and ensure long-term stable operation in harsh environments.
Lowest total cost of ownership (TCO)
WISE equipment investment decisions should focus on the total cost over the life cycle, not just the initial purchase price. Gardner Denver TGE pumps are designed to help customers achieve the lowest possible TCO:
Reduce maintenance and downtime costs (m + D) : this is the largest component of TCO. TGE pump uses high-quality wear-resistant materials, advanced self-reinforcing technology and robust ductile iron frame, which work together to extend the life of the components, significantly reduce unplanned downtime, and improve the safety of the pump, thus directly reducing maintenance costs and huge production losses due to downtime.
Reduced operating costs (O) : high precision AGMA gears and optimized overall design ensure efficient energy conversion and reduced energy consumption.
Higher residual value (R) : due to its superior manufacturing quality and durability, a well-maintained Gardner TGE pump has a resale value or residual value that is much higher than that of an ordinary pump at the end of the service cycle, and the residual value of a well-maintained Gardner TGE pump is much higher than that of an ordinary pump, further reduces the net cost over the life cycle.
In summary, Gardner Denver TGE triplex mud pumps offer unparalleled reliability and durability under the most severe operating conditions through superior engineering, top-notch material selection, and precision manufacturing. We believe that investing in TGE pumps will result in the lowest total cost of ownership and the highest operational return.
For detailed pricing or technical advice on Gardner Denver TGE pumps, please do not hesitate to contact us.
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