N3NB-500 Mud Pump

Incoterm: FOB
Min. Order: 1 Set/Sets

Basic Info

Model No.: N3NB-500

Generator Type: Alternator

Output Type: AC Three Phase

Certification: CE, ISO

Standard: Standard

Additional Info

Packaging: In cases

Brand: QNP

Transportation: Ocean,Land

Place of Origin: China

Certificate: ISO9001,CE

Port: Qingdao Port,Shanghai Port

Product Description

Product Features

N3nb 500 Mud Pump

Power End

The power pump shell is the structure of steel plate welding and has been tested with its intensity by authority. The crankshaft is a composed structure of straight shaft and eccentric wheel. Its airproof part of elastic ripple tube has been awarded a patent certificate by the state. The transmission gear is of medium hard side to improve the enduring ability.

Fluid End 

Liquid power side valve is of whole forging with a vertical structure, the volume interstice is minimum. The k1:6 wimble surface has been processed by roll pressing and therefore is improved significantly with its cooperative precision. The water supply valve is fastened reliably and conveniently. The valve box and the base holes conform to APL standard. 

Design Features

Parameters were optimized and the stroke has been lengthened appropriately to reduce the number of strokes to enhance the intake performance of the pump and for longer endurance of the relatively weak parts. The pumps are widely used in oil fields and other industrial and mining enterprises, well drilling and well maintenance, etc. The serial products are produced strictly by SY5138 standards established by the Petroleum Industry Ministry of China and factory-leaving experiments are carried out accordingly. 


Model Type Rated Stroke Rated Power Gear type Gear Ratio Suction Pipe Diameter
N3NB-500 Triplex piston single role 500 Hp 165r/min Herringbone gear 4.285 :1 203mm
Discharge Pipe Diameter Small diameter gear Bond Valve Weight Lubrication
101.5mm5000psi 139.6mm 31.74×1.74mm Valve valve on theAPI#5 9771Kg Spatter lubrication


Rated Power Liner diameter(mm)& Pressure Mpa(psi)
170 160 150 140 130 120 110 100
9.4 10.5 12.1 13.9 16.1 22.5 22.5 27.2
  KW HP Displacement(L/S)(gal./s)
170 379 515 36.75 32.56 28.61 24.93 21.49 18.31 15.39 12.72
165※ 373 500 35.67 31.60 27.77 24.19 20.86 17.77 14.93 12.34
150 334 455 32.43 28.73 25.25 21.99 18.96 16.16 13.58 11.22
140 312 424 30.27 26.81 23.56 20.53 17.70 15.08 12.67 10.47
130 290 394 28.11 24.90 21.88 19.06 16.44 14.00 11.77 9.73
120 267 364 25.94 22.98 20.20 17.60 15.17 12.93 10.86 8.98
110 245 333 23.78 21.07 18.52 16.13 13.91 11.85 9.96 8.23
1     0.2162 0.1915 0.1683 0.1466 0.1264 0.1077 0.0905 0.0748

Company Overview:

Located in the Qingzhou city of Shandong province, QNP(QingNeng Power)has developed into the largest leading private manufacturer of steam turbines and generators in China, covering an area of 200,000 square meters with building area of 90,000 square meters. We have subsidiaries in Indonesia and Beijing, as well as a branch office in Shanghai. 

about qingneng power-1

QNP has passed such certificates as CE, ISO9000, ISO14001 and OHSAS18001.

Manufacturing and Capacities:

With strong manufacturing and machining capacities, main parts and key components of our products are made by CNC machines. More than 400 types of advanced equipment with high accuracy, strong reliability and advanced machining processes are available with QNP, such as the Mitsubishi Planer five sides machining center, the Italy horizontal slotting machine, the 10 meters CNC heavy duty horizontal lathe, the 8 meters vertical lathe, the 6 meters CNC grinding machine, the CNC gantry milling and drilling machine, the CNC gantry wrapping machine and the winding machine for generators. The components are standardized and modularized with enhanced universality and compatibility.

Manufacture & Test

Project Cooperate With Us:

  • QNP, in cooperation with the Chinese Academy of Sciences (CAS) has adapted it's evaporative cooling technology for cooling of distributed energy Generators, which has reduced the size of Generators significantly.
  • In collaboration with Sea Water Desalination Institute of State Oceanic Administration, QNP has formed a technical team to carry out research on the key technologies of power generation and sea water desalination.
  • QNP has set up a training mechanism for senior managers with Tsing Hua University and Peking University, as well as technical trainings with Xi`an Jiaotong University, the Huazhong University of Science and Technology, and Shandong University in multiple fields.
  • The rapid development of QNP has captured the attention of the Fortune Global 500 companies, such as the M AN Group from Germany, and Mitsubishi Heavy Industries from Japan. These companies and numerous others have worked with QNP for technical exchanges.
  • QNP has also gotten strong support from central and local government. Top government officials at all levels have visited QNP many times and given high ratings on QNP`s development.

QNP Project

Sales  Network & After Sales:

The market share of QNP is growing steadily and rapidly. Our agents and products have a presence in many countries and regions all over the world such as the U.S.A, Canada, Brazil, Argentina, Russia, Australia, Serbia, India, Indonesia, Pakistan, the Philippines, Thailand, Cambodia, Vietnam, Iran, Myanmar, as well as Sudan, Morocco and Algeria in Africa.

QNP has a skilled and experienced After Sales team geared up for fast response and superior services to our customers at any time. Our Long distance monitoring center is equipped to monitor, diagnose, serve and manage the units delivered. QNP also provides technical training to our customers at regular intervals.

QingNeng Power Company

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