Triplex Pump


The oil and gas drilling industry uses trailer-transported triplex pumps to pump freeze protection fluids to prepare the well for long-term storage.

The ESI Triplex Pump is designed and built to operate in extremely harsh weather conditions. All systems and fixtures are heavy duty and able to withstand ambient temperatures as low as -50°F.

  • Built-in fuel tank and liquid tank with 100% containment
  • Emergency shutdown switch, single stroke push type with pull-to-reset
  • Battery master switch
  • Constant Duty Solenoid to isolate all ancillary 12V power systems at engine shutdown
  • Water proof junction box
  • On-board battery charger
  • Arctic Grade wiring rated to -50°F or better
  • Lighted control panel
  • Ashcroft panel gauges for hydraulic and pump pressures, glycerin-filled


Pumping system
Tritan methanol compatible three-stage pumpEquipped with adjustable discharge pressure output controlRated at up to 7500 psi working pressure
Tritan discharge manifoldHeavy duty mounting bracket1 inch Swagelok end plug
Pump interrupt device or pump tripAutomatically shuts off or isolates three-stage pump at predetermined discharge pressure levels
Suction manifoldFabricated from Schedule 90, 1 1⁄2″ pipe and fittings
Sump pump100% duty cycle pump compatible with pump compartment explosion proof environment
Product supply tankTop-mounted, 268 gal
Certified stainless steel tank
Engine & hydraulic system
EngineKubota V3800 turbo diesel with hydraulic pump driver
Fuel tank48 hour run timeLocated in containment
Hydraulic pumpParker P1 Series axial piston
Hydraulic hosesArctic grade, rated at -50°F or better
Trailer & enclosure
TrailerTwo-axle14,000 lb total weight ratingPintle hitchIndustrial-grade jack stand
EnclosureTrailer or skid mounted arctic enclosuresPump compartment is a Class 1 Division 1 locationSnow hoods for diesel engine intake and exhaust airStairs with hand rail mounted on road sideHeavy-duty steel construction

Model #






Highlight Specs

Engine HP: 99hp
Max Pressure: 6400 PSI
Max Flow: 24 GPM
Class 1, Div 1 Pump Enclosure
Configuration: Trailer with Arctic Enclosure