• 4200N UNx Fluid End UNx-Cutaway 4240-Section

4200N UNx Fluid End Upgrades

Increase productivity and reduce operating cost with a UNx® Fluid End Upgrade. Operating pressure up to 40,000 psi (2750 bar). Designed to fit NLB 10150, 10200, and other pumps using the Union TD-120 power end.

The Jetstream UNx Fluid End Upgrade is ideal for replacing a damaged, costly, or unreliable fluid end. It is also a cost-effective soltuion to increase the available operating pressure or range of pressures for those who have already converted to the UNx. The upgrade delivers all of the benefits of the UNx Fluid End design.

  • Three plunger (triplex) design
  • Superior performance
  • Greater flexibility in the field
  • Reduced downtime and maintenance
  • Clamp-style plungers
  • Bolt-on installation requires only minutes
  • Once upgraded to the UNx design, the unit can be supplemented with additional fluid ends to expand its range of operating pressures.
    Model Name Plunger Size Plunger Diameter (in) Plunger Diameter (mm) Maximum Operating Pressure (psi) Maximum Operating Pressure (bar) Maximum Flow (gpm) Maximum Flow (l/min) Maximum Power (hp) Maximum Power (kW)
J55720 4215N #16 1.67 42.42 6000 400 62.9 238 260 194
51815 4215N #15 1.5 38.1 8000 550 50.7 192 260 194
51810 4215N #13 1.335 33.91 10000 700 40.2 152 260 194
51285 4215N #12 1.2 30.48 12500 850 32.5 123 260 194
51805 4215N #11 1.1 27.94 15000 1000 27.3 103 260 194
51800 4215N #10 0.98 24.89 15000 1000 21.7 82 215 160
54795 4220N #9 0.9 22.86 20000 1400 18.3 69 260 194
52160 4220N #8 0.8 20.32 20000 1400 14.4 55 200 149
53755 4240N #7 0.67 17.02 40000 2750 10.1 38 260 194
53750 4240N #6 0.6 15.24 40000 2750 8.1 31 200 149

UNx Conversion Video

This video highlights the ease of maintenance and pressure convertibility of Jetstream UNx Pump. (3:59)