G-Chem™ Beam Pumps

Lever-driven pump for injecting chemicals at well sites

The G-Chem Beam Pump provides reliable and robust means of injecting chemicals by operating with a pumpjack. The G-Chem is a positive displacement plunger type pump powered by a direct connection with a cable or rod to the pumpjack’s walking beam.

G-Chem Beam Pump offering includes

  • Three preset stroke positions
  • Unique actuator design with a hex shape connection allowing for additional handle positions for more accurate dosing
  • Stainless steel heads for withstanding the harshest applications
  • Common repair parts are shared with the G-Chem electric pump, such as packings, plungers, check valves and fluid heads


  • Maximum flow rates up to 20 gallons per day
  • Stroke adjustment range from 1/2” to 1”
  • Maximum discharge pressure of 2,500 PSI
  • Graco’s ChromexTM coated plunger rods
  • Graco’s poppet style check valves
  • FKM, HNBR and TFE/P seals
  • Interchangeable fluid heads with G-Chem electric series pumps

Plunger SizeMax Working Pressure (psi)
1/4 in 2500 (17.2, 172)
3/8 in 1500 (10.3, 103)
1/2 in 800 (5.5, 55)

G-Chem™ Beam Pumps

Seals/Plunger Size1/4"3/8"1/2"
FKM A23000 A23001 A23002
HNBR A23003 A23004 A23005

For technical support on TSeries Pumps, and Sprague products, please contact: pumpsales@highpressure.com

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