Python® XL Pneumatically Operated Pumps

Ideal for wells with low gas pressure


Python XL series pumps are ideal for wells with low gas pressure. Capable of operating up to 12,000 psi, the pumps are easy to operate and include an air motor with the same proven technology that Graco offers in other product lines. Plus the Python XL’s extreme duty plungers (Chromex™ and ceramic coated), seals and air valves are designed for years of operation before replacement.

Ease of serviceability

  • Modular air valve design
  • Removable pilot valve
  • Pump lowers are interchangeable with other Python XL models
  • Plunger packings can be replaced in 10 minutes or less

Highest technology air motor on the market

  • Only requires a minimum of 15 psi to operate pump
  • Low air/gas consumption for increased efficiency
  • Muffler provides low operation noise levels
  • Proven Graco® Merkur® air motor technology

Robust and simple design

  • 316 SST fluid section/wetted parts
  • Three stroke adjustment positions
  • HNBR and FKM plunger packings and check valve seals

Chemical Compatibility

  • 316 SST fluid section/wetted parts
  • Three stroke adjustment positions
  • HNBR and FKM plunger packings and check valve seals

Environmentally friendly

  • 97% recoverable exhaust gas
  • Reduced fugitive methane emissions


Plunger SizePneumatic
Motor Size
Maximum Working Pressure
psi (MPa, bar)
Maximum Pneumatic Inlet Pressure
psi (MPa, bar)
1/4 in 2.5 in. 10,000 (68.9, 689.5) 100 (0.69, 6.9)
3/8 in 4,444 (27.6, 275.8)
1/2 in 2,500 (17.2, 172.4)
1/4 in 3.5 in. 12,000 (82.7, 827) 61.2 (0.4, 4.2)
3/8 in 8,700 (60.0, 599.8) 100 (0.69, 6.9)
1/2 in 4,900 (33.8, 337.8)
1/4 in 4.5 in. 12,000 (82.7, 822.4) 37.0 (0.3, 2.6)
3/8 in 10,000 (68.9, 689.5) 69.4 (0.5, 4.8)
1/2 in 8,100 (55.8, 558.5) 100 (0.69, 6.9)


Python XL, Chromex Coated Plungers (CE Certified, Chromex Coated Plungers)

Seals/Plunger Size1/4"3/8"1/2"
2.5 in. Python XL
FKM A25200 A25201 A25202
HNBR A25210 A25211 A25212
3.5 in. Python XL
FKM A25300 A25301 A25302
HNBR A25310 A25311 A25312
4.5 in. Python XL
FKM A25400 A25401 A25402
HNBR A25410 A25411 A25412


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

Region:North America
Location of : United States: US: LooKupArray ( [userLocation] => US [userRegion] => North America )