Your Professional Gardner Denver Mud Pumps Supplier
We are a certified manufacturer of mud pumps, plunger pumps, and fracturing pumps, supplying complete pump systems, accessories, and centrifuges for oil drilling, mining, and industrial use. With API 7K and ISO 9001 certification, advanced CNC machining, and full in-house testing, we deliver reliable equipment for high solids, high pressure, and harsh environments. Our products are widely applied in oil & gas drilling, mining slurry transport, environmental engineering, and high-pressure fracturing operations.
Quality Control
Multi-axis CNC machining and complete testing systems ensure consistent quality, verified performance, and full traceability for every critical component.
Global Market Experience
Strong performance in North America, Russia, and the Middle East supports reliable supply and service.
High-Quality Service
From pre-sales engineering analysis to installation, training, and after-sales maintenance, we help customers reduce risk, improve uptime, and extend equipment service life.
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GARDNER DENVER PZL W SWFE 7500 PSI PumpUnlike some competitors 'steel plate welded frames, the PZ-11's power frame is made of high-strength ductile iron (Nodular Iron) through integral casting.
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GARDNER DENVER PX-11 - 7500 PSI OEM MODULE PumpThe PZ-11's design philosophy emphasizes the balance between high strength and lightweight. Unlike traditional welded steel plate frames, it features a **nodular iron** cast frame.
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GARDNER DENVER PA8 PumpAt a fixed input power of 310 BHP, the pump's performance is inversely proportional to the diameter of the plunger: a smaller plunger can achieve very high pressure, while a larger plunger
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GARDNER DENVER PAH PumpReliability and performance are critical in the demanding oil and gas field service sector. Gardner Denver PAH-BFB provides the ideal combination of power, durability, and maintainability for
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GARDNER DENVER PZ7 PumpProven reliability: robust ductile iron power end and high-strength alloy steel fluid end, designed for long, heavy duty operations to minimize downtime.High Efficiency: rated power 550HP, maximum
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GARDNER DENVER PZ8 PumpThe power end frame, eccentric shaft, connecting rod and crosshead of PZ-8 are all made of high quality ductile iron. This choice is crucial. The tensile strength and ductility of ductile iron are
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GARDNER DENVER PZ9 PumpMaterial and design: PZ-9 is an integrally cast frame made of high strength Nodular Iron (part no. PZ172) . This design choice prioritizes structural rigidity, vibration absorption, and fatigue
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GARDNER DENVER PZ10 PumpPZ-10 power end of the frame, eccentric shaft and connecting rod and other core structural components, using high-strength Nodular Iron (Nodular Iron) whole cast.
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GARDNER DENVER PZ-11 SWFE 7500PSI PumpThe following table details the flow and pressure performance of the PZL W SWFE 7500 PSI at different cylinder liner sizes, all of which are calculated based on 90% mechanical efficiency and 100%
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GARDNER DENVER PZ11 PumpThe following table details the flow and pressure performance of the PZL W SWFE 7500 PSI at different cylinder liner sizes, all of which are calculated based on 90% mechanical efficiency and 100%
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GARDNER DENVER PZ-2400 PumpThe power end of the PZ-2400 uses a high-strength cast frame. Drawing on the design of the same series of PZ-7 pumps, it is made of high quality ductile iron.
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GARDNER DENVER PZL-B 7500PSI GD HD PumpThe hydraulic end module is the heart of the mud pump and directly withstands the tremendous pressure and flushing of the drilling fluid. For this purpose, the highest grade forged high-strength
Parameter
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Maximum input power |
1350BHP (1007kw) |
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Maximum stroke |
115SPM (strokes per minute) |
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Stroke length |
10 inches (254 mm) |
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Maximum piston load |
139,500 lbs (620,527N) |
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Gear ratio |
4.38:1 |
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Average weight of the pump |
37,000 pounds (16,815 kg) |
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Gross weight with large steel base |
41,400 lbs |
Types of Gardner Denver Mud Pumps
The Gardner Denver mud pumps produced by our company mainly include the following types:
GARDNER DENVER PA8 Pump
The PA8/PAH powertrain is engineered to maximize mechanical uptime, utilizing precision-machined components and high-strength alloys to withstand the intense cyclic loads and vibrations inherent in three-cylinder pump operation.
GARDNER DENVER PZ7 Pump
The 5000 PSI hydraulic end of the PZ-7 is designed for high-pressure fluids, and its standard l-shaped modular design makes it easy to maintain and replace.
GARDNER DENVER PZ10 Pump
The Fluid End of the PZ-10 has an interchangeable modular design, and the core component, the Fluid End Module, is forged from a single piece of high-quality alloy steel (35CrMo, 40CrMnMo, or 4135) .

Advantages of Gardner Denver Mud Pumps
High Displacement
The pump is capable of pumping a large volume of fluid, allowing for effective and efficient drilling mud circulation necessary for both cleaning the drill bit and stabilizing the borehole walls.
High Pressure
It can operate at high pressures required to circulate drilling mud through the long and deep boreholes associated with oil and gas drilling operations.
Robust Design
The pump is built to withstand the harsh and abrasive conditions associated with drilling operations. Made with durable materials, it is engineered to maintain performance over time, even with continuous use.
Longevity
With proper maintenance, these mud pumps have a long service life, reducing the need for frequent replacements and downtime.
Various Drilling Environments
The pump is capable of functioning in a range of environments, including onshore and offshore rigs, and is suitable for various drilling applications.
Compatibility with Different Mud Types
It can handle various types of drilling fluids, ranging from water-based muds to oil-based and synthetic muds.
Continuous Operation
The pump is designed for continuous duty, which is essential for the non-stop nature of drilling operations. Its performance contributes to the overall efficiency and speed of drilling.
Ease of Maintenance
The pump's design allows for relatively easy access to its components, facilitating maintenance and reducing downtime.

Oil & Gas Drilling (Onshore/Offshore): Circulating drilling fluid to cool bits, lubricate holes, and bring cuttings to the surface, crucial for deep wells and tough formations.
Hydraulic Fracturing (Fracking): Pumping fluids and proppants into formations to create fractures.
Horizontal Directional Drilling (HDD): Used in tunneling and pipeline projects for boring and cleaning the bore path.
Well Servicing: Applications like cementing (sealing wells) and acidizing (stimulating wells).
Component Materials and Manufacturing Processes of Gardner Denver Mud Pumps
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Components |
Material specifications |
Key manufacturing processes |
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Hydraulic end module |
35CrMo/40CrMnMo alloy steel |
Monolithic forging, autofrettage treatment |
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Cylinder liner (bimetal) |
Forged steel case with high chromium cast iron lining |
Centrifugal casting, heat treatment |
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Cylinder liner (ceramic) |
Forged steel case with zirconia lining |
Precision Sintering and lapping |
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Piston |
42CrMo forged steel core + polyurethane/nitrile rubber |
Integrally forged, vulcanized and bonded |
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Valve Assembly (valve/seat) |
20CrNiMo (AISI 8620) alloy steel |
Solid forged, carburized and quenched |
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Piston rod |
42CrMo forged alloy steel |
Heat treatment, quenching and tempering, surface grinding coating |
Always refuel and change the oil regularly
Every 1000 hours of operation of the submersible electric pump, the sealing oil must be replaced, and the oil inside the motor must be replaced once a year. For the water-filled Gardner Denver mud pump, the upper and lower end covers, the skeleton oil seals in the bearing chamber and the lithium-based lubricating oil need to be replaced regularly to ensure a good lubrication state.
Reasonable custody
When not in use for a long time, the submersible sewage pump should not be immersed in water for a long time, and should be stored in a dry and ventilated room. When storing the rubber cable of the Gardner Denver mud pump, avoid sunlight exposure, otherwise it will be easy to age, and the surface will have cracks.
Carry out anti-rust treatment on the surface of the Gardner Denver mud pump in time
After one year of use, the Gardner Denver mud pump should be painted and rust-proof in time according to the corrosion of the surface of the Gardner Denver mud pump. The internal paint to prevent rust depends on the pump type and corrosion conditions.
Regular maintenance
After every two years of use, the Gardner Denver mud pump should be fully inspected, all parts should be folded, checked, cleaned, lubricated, and then reassembled.
Storage and maintenance
When the Gardner Denver mud pump is not used for a long time, it should not be immersed in water. It should be lifted to the ground, wiped off the water stains, and hung in a dry and ventilated room.
Packaging and Shipping
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Packaging |
Standard export plywood case or carton. |
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Shipping |
DHL, TNT, UPS, FEDEX, and EMS, SF. Air and sea transportation are also supported. |
Our Factory
Shijiazhuang Dong Li Petroleum Machinery Co., Ltd. (DLSY) was founded in 2008 and is headquartered in Shijiazhuang, Hebei Province, China.

Our Certificates




FAQ
Shijiazhuang Dongli Petroleum Machinery Co., Ltd. is one of the most professional gardner denver mud pumps manufacturers and suppliers in China, featured by quality products and low price. Please rest assured to buy CE approved gardner denver mud pumps made in China here from our factory. Contact us for quotation.





