HNA-F Series Triplex Mud Pump

Key Features

1.1,600Hp Flagship Power for Extreme Oilfield Operations

Our highest-powered mud pump, delivering 1,194kW (1,600Hp) of raw torque to meet the demands of deepwater offshore, ultra-deep well, and high-pressure fracturing projects.

2.API-7K Certified with API-7# Valve Cavity

Built to API-7K standards with an API-7# valve cavity design, ensuring compatibility with premium OEM components and superior sealing integrity in high-pressure, abrasive mud environments.

3.12" (305mm) Ultra-Long Stroke for Peak Efficiency

The industry-leading 305mm (12") stroke maximizes fluid displacement per cycle, allowing lower SPM operation, reducing wear, and extending service life for critical components.

4.180mm Max Liner for Class-Leading Flow Rates

Accommodates an 180mm (7") maximum liner, enabling industry-leading flow rates (up to 45.43 L/S / 720 GPM) for high-volume circulation and wellbore cleaning operations.

5.12" (305mm) Suction Flange for Unrestricted Flow

Equipped with a large 305mm (12") suction flange to eliminate cavitation risk, ensuring smooth, continuous fluid intake even at maximum displacement.

6.Precision Herringbone Gearbox (4.206:1 Ratio)

High-tolerance herringbone gears provide ultra-smooth, low-vibration power transmission, critical for maintaining stability and reducing noise at full power.

7.Forced-and-Flashing Lubrication for 24/7 Continuous Duty

A dual-action lubrication system ensures every power end component is fully lubricated under heavy load, preventing heat buildup and wear during non-stop drilling operations.

8.Massive Reinforced Monoblock Frame (24,971kg)

A heavy-duty cast frame, weighing 24,971kg, is engineered to absorb shock and vibration, maintaining perfect alignment and reducing component fatigue over decades of service.

9.Global OEM Spare Parts Compatibility & Support

All critical wear parts are fully interchangeable with major international OEM models, supported by our global parts warehouse and logistics network for fast delivery.

10.Comprehensive One-Stop Service Package

Backed by our full-cycle service system, including pre-sales engineering, installation guidance, on-site training, and 24/7 after-sales technical support to maximize uptime.

Technical Specifications

Product Structure

Power End Parts ：Crosshead Assembly, Pinion Shaft, Bull Gear,Crank Shaft, Connecting Rod,Bearing&Bearing Assembly Parts.

Fluid End Parts ：Fluid End Module-I shaped one-piece and L shaped two pieces，Liner，Piston&Pistion Assembly，Valve&Seat&Insert&Spring ，Cylinder Head，Liner clamp.

Charging System：Charging pump and its base, butterfly valve and corresponding manifold.

Compatible Brands

BOMCO/EMSCO，GARDNERDENVER，IDECO，OILWELL，NATIONAL，LSNATIONAL，WIRTH，RussianMudPumps，WEATHERFORD/ELLISWILLIAMS，DRILLMEC，ROMANIA

Our mud pump products meet OEM-grade quality standards and can serve as direct replacements for world-renowned OEM mud pumps. All products are fully compliant with the relevant requirements specified in API standards.

We offer one of the most comprehensive ranges of mud pump fluid end and power end parts, compatible with leading global brands and models, including:

Gardner Denver: PZ7, PZ8/9, PZ10/11 series

IDECO: T-500, T-800, T-1000, T-1300, T-1600 series

Oilwell: A-350-PT, A-560-PT, A-600-PT, A-850-PT, A-1100-PT, A-1400-PT, A-1700-PT series

National Oilwell: 7-P-50, 8-P-80, 9-P-100, 10-P-130, 12-P-160, 3NB-500C, 3NB-1000C, 3NB-1300C, 3NB-1600 series

Weatherford/Ellis Williams: E-447, E-2200, MP-5, MP-8, MP-10, MP-13, MP-16 series

Wirth: TPK1000, TPK1600, TPK2000, TPK2200 series

Drillmec: 9T1000, 12T1600, 7TS600, 7TS500, 9T800 series

Russian Mud Pumps: UNBT-950, UNB-600, 8T-650, UNBT650, NBT600, UNB1180, UNB1180L, NB125, NB80, NB50, NB32 series

Domestic Chinese Brands: BOMCO F-series, Lanzhou LS P/PZ-series, Honghua HH F-series, Rongsheng RS F-series, and more.

In addition, we also support compatibility with FB-1300, FB-1600, FC-2200, DA-700, DB-550, D-300/500, D-375, D-700, N1300, C-250, K-700, 14P-200, E700/G1000, K-500, K-380, K500A/700A, C250/35, JWS-400, 3PN-1000, 3PN-1600, 3PN-2000 and other mainstream pump models, providing you with a one-stop solution for mud pump replacement parts.

Applications

Onshore Drilling

Perfectly adapted to all kinds of onshore oil and gas drilling projects, delivering stable performance under diverse land geological conditions.

Offshore Drilling 

Specially designed for harsh offshore working environments to ensure continuous and safe mud circulation during marine drilling.

Offshore Platform

Ideal mud pump solution for fixed and mobile offshore drilling platforms, meeting high standard requirements for marine oilfield equipment.

Gas Exploration 

Reliable fluid circulation equipment for natural gas exploration and gas well drilling, applicable to conventional and unconventional gas resources development.

Horizontal Directional Drilling (HDD) 

Widely used in trenchless pipeline laying projects. The pump provides stable mud pressure and continuous flow for horizontal crossing, effectively reducing construction resistance, protecting pipelines from damage and ensuring smooth underground crossing operations.

Geothermal Drilling

Adapted to high-temperature and highly corrosive working conditions of geothermal exploration wells. It maintains stable drilling fluid circulation, ensures continuous and reliable operation of the fluid circulation system under harsh geothermal well environments.

Well Servicing & Workover

Suitable for various oilfield after-drilling operations including well workover, fracturing and acidizing. It provides stable high-pressure fluid transmission to improve overall oilfield operation efficiency and well control safety.

Mining & Tunneling 

Ideal for mine exploration and tunnel excavation projects. It handles solid-laden and abrasive mud efficiently, realizing slag removal, hole cleaning and equipment cooling functions for underground engineering.

Water Well Drilling

Provides stable and continuous mud circulation for water well drilling. It adapts to various complex geological formations, improving drilling efficiency and ensuring smooth well forming in water well projects.

Industrial Fluid Transfer

Widely applied in industrial fluid handling scenarios, capable of transporting high-viscosity, impurity-containing and abrasive media such as tailings slurry, industrial wastewater and chemical slurry for industrial processing systems.

FAQ

Q: What standard do your triplex mud pumps comply with?

A: All our mud pumps and spare parts are manufactured in strict accordance with API 7K standards, meeting international oilfield quality requirements.

Q: Can your mud pump parts replace original OEM products?

A: Yes. Our products reach OEM quality level and can be directly used as replacements for mainstream global OEM mud pump parts.

Q: What are the main components of your HNA-F 500 triplex mud pump?

A: It consists of power end, fluid end, spray cooling system, lubrication system and charging system with complete supporting parts.

Q: What advantages does the lubrication system of your mud pump have?

A: Adopting combined forced and splash lubrication, it effectively reduces part wear, extends service life and lowers maintenance frequency.

Q: Does your mud pump have an effective cooling system?

A: Equipped with professional spray cooling system including spray pump, water tank and spray pipes, it keeps the pump running stably under high-load working conditions.

Q: Are mud pump liners interchangeable on your model?

A: Yes. It supports multiple specifications of interchangeable liners to adjust pressure and flow for different working conditions.

Q: What working pressure can your HNA-F 500 mud pump reach?

A: Its maximum working pressure is up to 34.5MPa (5000Psi), suitable for high-pressure drilling projects.

Q: What industries and applications are your mud pumps suitable for?

A: Widely used in oil drilling, onshore & offshore drilling, gas exploration, HDD, geothermal drilling, well workover, mining, water well drilling and industrial fluid transfer.

Q: Do you supply complete mud pump spare parts?

A: We have the most complete specifications of mud pump accessories, covering power end, fluid end, valves, pistons, crossheads and other wearing parts.

Q: Which famous brands of mud pumps can your parts match?

A: Our accessories are compatible with Gardner Denver, National Oilwell, IDECO, Oilwell, Wirth and other global mainstream mud pump brands.

Q: Is your mud pump easy to maintain?

A: Modular structure design simplifies disassembly, inspection and repair, greatly reducing downtime and maintenance costs.

Q: What is the feature of the transmission system of your mud pump?

A: Equipped with precision herringbone gear set, the transmission system runs stably with low noise and high efficiency.

Q: Can your products be used for offshore platform drilling?

A: Yes. Our API 7K certified mud pumps and parts are fully applicable to offshore drilling and offshore platform operations.

Q: Are your mud pumps suitable for high-temperature and corrosive working conditions?

A: Yes. The whole machine and wearing parts adopt wear-resistant and corrosion-resistant materials, ideal for geothermal and complex oilfield conditions.

Q: Do you provide supporting charging system for mud pumps?

A: We support complete charging system including charging pump, base, butterfly valve and manifold to ensure stable fluid supply.

Q: What are the advantages of your mud pump in heavy-duty operation?

A: Heavy-duty integral frame and high-strength components ensure long-term stable operation in harsh working environments.

Q: Can your mud pumps and parts be used for horizontal directional drilling (HDD)?

A: Absolutely. They can provide stable pressure and flow for trenchless pipeline laying and protect construction pipelines effectively.

Q: Do you offer one-stop purchasing service for mud pump and accessories?

A: We integrate complete pump body and full-range spare parts supply to provide customers with one-stop procurement solution.

How Mud Pump Works

As the core equipment of the Drilling Fluid Circulation System, the mud pump operates in a continuous suction and discharge cycle.

Driven by a prime mover (diesel engine or electric motor), power is transmitted via the drive system including pulleys and universal shafts to the drive shaft. The drive shaft then drives the crankshaft to rotate through gear sets. When the crankshaft turns and pulls the piston toward the power end, a vacuum forms inside the fluid cylinder. Under liquid surface pressure, the drilling fluid from the suction tank pushes open the suction valve and flows into the cylinder. This process continues until the piston reaches the right dead point, which is defined as the suction stroke of the mud pump.

As the crankshaft keeps rotating, the piston moves toward the fluid end. The fluid inside the cylinder is compressed and pressure rises, which closes the suction valve and pushes the discharge valve open. The fluid flows into the discharge pipeline until the piston arrives at the left dead point, known as the discharge stroke.

With the continuous operation of the prime mover, the mud pump repeats suction and discharge actions cyclically. It steadily delivers drilling fluid from the suction tank down to the well bottom through the discharge pipeline, ensuring normal operation of the whole Drilling Fluid Circulation System.