Graco Inc.

Python XL Series Pumps  Pneumatically Operated Pumps for Chemical Injection

With three Merkur® air motor sizes and up to six different plunger sizes to choose from, the Python XL Series pumps cover a wide range of flows and pressure.

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Python XL pumps are ideal for wells with low gas pressure and are capable of operating up to 12,000 psi (827 bar). Plus the Python XL’s extreme duty plungers (available in Chromex and ceramic coated), seals and air valves are designed for years of operation before replacement.

Python XL, 2.5 inch

2.5” Python XL

  • 2.5” Merkur air motor
  • 7 pump sizes (1/8”, 3/16”, 1/4”, 3/8”, 1/2”, 5/8”, 3/4”)
  • 5 seal materials (HNBR, FKM, FKM-ETP, FFKM, TFEP)
  • 2 plunger coatings (Chromex and ceramic)
  • Maximum working pressure: 11,500 psi (793 bar)
  • Maximum flow rate: 370 gpd (1400 lpd)
  • CE and ATEX approved models
Python XL, 3.5 inch

3.5” Python XL

  • 3.5” Merkur air motor
  • 5 pump sizes (1/4”, 3/8”, 1/2”, 5/8”, 3/4”)
  • 5 seal materials (HNBR, FKM, FKM-ETP, FFKM, TFEP)
  • 2 plunger coatings (Chromex and ceramic)
  • Maximum working pressure: 12,000 psi (827 bar)
  • Maximum flow rate: 380 gpd (1438 lpd)
  • CE and ATEX approved models
Python XL, 4.5 inch

4.5” Python XL

  • 4.5” Merkur air motor
  • 5 pump sizes (1/4”, 3/8”, 1/2”, 5/8”, 3/4”)
  • 5 seal materials (HNBR, FKM, FKM-ETP, FFKM, TFEP)
  • 2 plunger coatings (Chromex and ceramic)
  • Maximum working: 12,000 psi (827 bar)
  • Maximum flow rate: 380 gpd (1438 lpd)
  • CE and ATEX approved models