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ProductsPumps & UnitsPumps605 Series Pumps

605 Series Pumps

The NLB 605 Series pump is an advanced design triplex pump with exceptional flexibility and versatility to efficiently meet the requirements of a wide range of pumping services. The unit features a simple, rugged design to meet the heavy-duty requirements of continuous operation and to minimize maintenance.

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Fluid End Features Include:

  • Easily configured for operating pressures from 4,000 to 40,000 psi (275 to 2,800 bar).
  • A single stainless steel frame plate and swing-out manifold is used for all operating pressures. The design features minimum volumetric clearance and stress, with maximum shock and pressure resistance.
  • The valve seat and stuffing boxes are precision-machined from high-grade stainless steel.
  • Passages are drilled to minimize turbulence.
  • The valve seat and stuffing boxes are precision-machined from high-grade stainless steel.
  • Pump features Colomony®-coated plungers for 4-10K operation and solid tungsten carbide plungers for 15-40K operation.

Power Frame Features include:

  • Horizontal configuration provides easy access and low center of gravity.
  • Rugged, cast-iron housing with gravity lubrication and large oil reservoir.
  • Forged steel crankshaft mounted in tapered roller bearings. Symmetrical design permits easy conversion to opposite-hand drive.
  • Marine-type connecting rods with split, babbitted rod bearings and sleeve-type bronze wrist bearings. All under compressive loading only.
  • Large-diameter cylinder crossheads operating in full circular guides, fitted with hardened wrist pins
  • Ground crosshead stub shafts with lipped seals to keep water and dust out of crankcase.
  • High mechanical efficiency.
  • Plunger cover for cleanliness and operator protection.
Part NumberPlunger Dia.Pump RPM
100200300320 (600 HP)Max. Pressure
INMMGPMLPMGPMLPMGPMLPMGPMLPMPSIBAR
40605-1-3/321-3/3227.8072513512076218140,0002,800

$1.00 Add to Quote

35605-1-5/321-5/3229.7082915582387259335,0002,450

$1.00 Add to Quote

20605-1-9/161-9/1639.30135127101401524316220,0001,400

$1.00 Add to Quote

15605-1-13/161-13/1645.30186836135542035721615,0001,000

$1.00 Add to Quote

10605-2-3/162-3/1655.562710154203803048632510,000700

$1.00 Add to Quote

8605-2-7/162-7/1661.9133127672541003801074068,000550

$1.00 Add to Quote

6605-2-13/162-13/1671.4445169893381345071435416,000415

$1.00 Add to Quote

4605-3-5/163-5/1684.14632371254731887102007574,000275

$1.00 Add to Quote

VIew Other Pumps & Units

125 Series Pumps

225 Series Pumps

With up to 350 horsepower, pressures reaching 40,000 psi, and flows up to 74 gpm, this unit provides a great solution for tank cleaning and casting removal.

325 Series Pumps

Have Questions?

Reach Out to Our Expert Team Today!

At NLB, we're dedicated to assisting you. If you're uncertain about which product is best for your application, our team is ready to help you find the perfect solution. If we need to customize a product to fit your specific needs, we're prepared to do so! Simply give us a call or fill out the form, and one of our experts will be in touch with you shortly.

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