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Basic Information

  • Model No.: NYP52A
  • Tooth Flank: Skew Tooth
  • Power: Electric
  • Applications: Transfer or Booster Pump
  • Pump Body Material: Cast Iron HT200
  • Shaft: 40Cr
  • Drive: Motor
  • Specification: ISO, CE
  • HS Code: 84136029
  • Mesh Form: Internal Engaged
  • Tooth Curve: Involute
  • Type: Normal Line Gear Pump
  • Certification: CE, ISO
  • Rotor: 40Cr
  • Coupling: Magnetic Coupling
  • Trademark: HOFFWELL
  • Origin: China

Product Overview

The NYP series internal gear pump is a new type of positive displacement pump designed to meet the needs of various industries such as petroleum, chemical, paint, medicine, and food processing. It is ideal for handling different types of media with varying properties and viscosities due to its unique structure and the use of appropriate materials.

Working Principle

The internal gear pump operates by using an external rotor with internal teeth to drive the internal rotor within a fully enclosed housing. The pump casing and crescent-shaped front cover separate the suction and discharge ports. As the gears rotate, negative pressure is created at the suction port, allowing liquid to be drawn in and carried to the discharge port. When the gears mesh, the liquid is expelled through the outlet, completing the pumping process.

Key Advantages

  1. Stable delivery without pulsation, minimal vibration, and low noise levels.
  2. Excellent self-priming capability.
  3. Can handle corrosive media when appropriate materials are selected; operating temperature can reach up to 200°C.
  4. Both the internal and external rotors rotate in the same direction, resulting in less wear and extended service life.
  5. Pump flow can be adjusted by changing the speed.
  6. Specially suited for high-viscosity media.

Model Explanation

NYP stands for internal gear pump.

52 indicates the displacement in liters per 100 revolutions.

A denotes a design improvement code.

CE Approved NYP52A Magnetic Internal Gear Pump CE Approved NYP52A Magnetic Internal Gear Pump

Technical Specifications Table

Model Path (mm) Displacement (L/100rev) Viscosity (cSt) Speed (r/min) Pressure (MPa) Connections
0.4 0.6 0.8 1.0
Shaft Power (kW) / Capacity (L/min)
NYP0.78 15 0.78 20 1390 0.17/9.3 0.23/9.0 0.28/8.8 0.32/8.6 G1/2"
60 1390 0.18/9.5 0.24/9.2 0.28/9.0 0.33/8.9
200 1390 0.31/10.4 0.35/10.2 0.39/10.0 0.43/9.9
600 1390 0.39/10.4 0.44/10.3 0.48/10.3 0.52/10.2
2000 910 0.23/6.8 0.27/6.8 0.30/6.8 0.33/6.7
6000 720 0.24/5.4 0.31/6.1 0.30/6.8 0.40/6.8
NYP2.3 25 2.3 20 1400 0.38/28.4 0.49/27.5 G1"
60 1400 0.59/29.2 0.65/28.8
200 1400 0.61/30.0 0.72/29.6
600 1400 0.92/31.9 0.96/31.7
2000 910 0.61/19.9 0.68/19.7
6000 720 0.77/16.32 0.83/16.2
NYP3.6 40 3.6 20 1450 0.69/46.7 0.94/45.9 1.18/45 1.44/43.4 Flange
60 1450 0.81/47.5 1.09/46.7 1.37/45.9 1.57/44.7
200 1450 1.06/49.7 1.31/49.2 1.56/48.8 1.79/47.3
600 1450 1.45/49.9 1.61/49.6 1.77/49.3 1.93/49
2000 960 1.28/34.3 1.41/33.8 1.54/33.7 1.65/33.6
6000 640 1.08/23.0 1.18/22.9 1.28/22.9 1.37/22.8
20000 583 1.22/20.5 1.24/20.4 1.25/20.4 1.38/20.3
60000 455 0.84/16.3 0.91/16.2 0.98/16.1 1.01/16
NYP7.0/NYP7.0A 40 7.0 20 1450 1.36/98.1 1.8/96 2.0/94.7 2.4/93 Thread
60 1450 1.45/99 1.9/97 2.2/96.4 2.6/95
200 1450 1.62/99.8 2.0/98 2.3/97.5 2.7/97
600 960 1.4/62 1.6/65 1.8/44 2.0/64
2000 960 1.8/67 2.0/66 2.3/65 2.6/65
6000 640 1.5/44.5 1.7/44 1.8/44 2.0/44
20000 583 1.6/40.5 1.9/40 2.1/40 2.2/40
60000 455 1.46/31.5 1.8/31 1.9/31 2.0/31
NYP24 50 24 20 720 1.8/165 2.3/161 2.8/158 3.4/155 Flange
60 720 2.0/166 2.6/164 3.1/162 3.7/158
200 610 1.9/143 2.5/141 3.0/139 3.5/136
600 541 2.1/127 2.6/125 3.0/124 3.5/122
2000 475 2.2/112 2.6/111 2.9/110 3.4/109
6000 357 2.0/85 2.3/84 2.6/83 2.9/83
20000 303 1.9/72 2.2/72 2.4/72 2.6/71
60000 228 1.6/54 1.8/54 2.0/54 2.3/54
NYP52/NYP52A 50 52 20 720 4.3/362 5.8/355 6.9/348 8.1/340 Thread
60 720 4.7/364 6.2/358 7.3/352 7.5/346
200 610 4.6/309 5.9/304 6.9/300 8.0/294
600 541 4.9/275 6.0/271 6.8/268 7.8/264
2000 475 5.0/243 5.9/238 6.6/237 7.6/235
6000 357 4.1/184 4.9/182 5.3/181 6.2/180
20000 303 3.8/157 4.6/156 5.1/155 5.6/155
60000 228 3.1/119 3.7/118 4.0/118 4.5/118
NYP80 80 80 20 615 5.2/471 6.9/461 8.5/451 10.0/433 Flange
60 615 5.5/474 7.2/465 8.8/457 10.5/448
200 544 5.7/421 7.2/414 8.6/408 10.1/401
600 479 6.0/372 7.3/367 8.5/362 9.8/356
2000 417 6.5/326 7.7/322 8.9/319 10.1/315
6000 305 5.6/239 6.6/237 7.5/326 8.4/233
20000 228 5.5/180 6.4/179 6.9/178 7.7/177
60000 188 5.5/149 6.1/149 6.7/149 7.2/148
NYP111/NYP111A 80 111.4 20 615 6.7/660 9.2/647 11.2/634 13.6/622 Flange
60 615 6.9/664 9.4/652 11.5/642 13.9/631
200 544 7.1/589 9.3/580 11.0/573 13.2/563
600 479 7.3/521 9.5/514 11.1/508 13.1/502
2000 417 7.7/455 9.7/450 11.0/447 12.7/442
6000 305 6.9/335 8.4/332 9.4/331 10.6/328
20000 228 6.3/251 7.5/250 8.2/249 9.2/248
60000 188 6.2/209 7.1/208 7.6/208 8.5/207
NYP160 100 160 20 600 8.9/930 12.1/916 15.3/902 17.5/888 Flange
60 600 9.4/935 12.6/922 15.8/910 19.0/898
200 550 12.3/866 15.3/859 18.3/852 21.3/845
600 480 10.2/754 12.8/747 15.4/740 18.0/737
2000 355 9.1/560 11.1/556 13/552 15.1/548
6000 319 10.0/505 11.7/502 13.5/500 15.2/497
NYP220 125 220 20 430 8.8/902 11.9/880 15.0/858 18.0/836 Flange
60 430 9.0/909 12.0/890 15.0/871 18.0/852
200 355 8.5/753 11.1/739 13.7/726 16.3/713
600 320 9.4/682 11.8/671 14.1/660 16.5/649
2000 254 9.1/544 11.0/537 13.0/530 15.1/523
6000 244 10.1/483 11.9/478 13.6/473 15.4/468
20000 160 9.1/347 10.5/345 11.9/343 13.3/341
60000 117 8.4/256 9.4/255 10.4/254 11.4/253
NYP320 125 320 20 430 13.0/1306 18.0/1270 22.0/1235 26.0/1200 Flange
60 430 13.0/1316 18.5/1285 22.0/1255 26.5/1225
200 355 11.8/1091 15.5/1068 19.1/1046 22.8

Centrifuge Wear Parts

Centrifuge Wear Parts

Our centrifuge wear parts are specifically engineered for high-performance applications in the oil and gas sector, focusing on durability and efficiency in solid-liquid separation processes. Constructed from premium wear-resistant materials, such as tungsten carbide and advanced alloys, these Components are designed to withstand extreme operational stresses and corrosive environments typically found in drilling and extraction operations.

Key Features:

  • Enhanced Wear Resistance: Our wear parts feature surface treatments and coatings that significantly improve abrasion resistance, extending their service life even in abrasive slurry conditions.

  • Precision Engineering: Each component is manufactured using CNC machining and advanced manufacturing processes to ensure precise tolerances and optimal fit within centrifuge systems, reducing the risk of failure due to misalignment or improper installation.

  • Thermal Stability: Designed to perform under high temperatures and varying pressures, our centrifuge wear parts maintain their integrity and performance, ensuring consistent operational efficiency in challenging environments.

  • Custom Solutions: We offer tailored solutions to meet specific operational requirements, including bespoke sizes and geometries that optimize the performance of existing centrifuge systems.

Our commitment to quality assurance includes rigorous testing protocols, including mechanical property evaluations and operational simulations, ensuring that each product meets industry standards for performance and reliability. By integrating our centrifuge wear parts into your operations, you can enhance separation efficiency, reduce maintenance intervals, and ultimately lower the total cost of ownership for your equipment.

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