Python Pumps
Python Pumps

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Python Pumps
Pneumatic Operated Chemical Injection Pumps
Protection from corrosion, plugging and freezing
Graco Python pneumatic chemical injection pumps are the right solution for injecting chemicals at well sites and pipelines to protect them from corrosion, plugging and freezing. Python pumps offer features critical to the oil and gas industry:

Ideal for applications that require a pump to operate in an explosion proof environment
These chemical pumps run on regulated natural gas or compressed air
Uses half the air consumption of other pumps in the market
Easy to operate
Lowest out of pocket cost
Extreme duty plungers, seals, and timing valve are designed for up to two years of operation before replacement

Additional information

  • The Python is designed to operate in environments from -40° F to 175°F (-40°C to 79°C). They have 316 SST wetted parts, plus they’re sealed against water and dust.
  • Ultra precision stroke adjustment between ¼ to 1 inch (6.4 to 25.4 mm) ensures accurate injection rates.
  • Reduced fugitive methane emissions.
  • HNBR, FKN, FKM ETP, and FFKM plunger packings and check valve seals can handle some of the most aggressive chemicals.
  • Pump cycle rate remains constant regardless of system back pressure.
Maximum air inlet pressure
See instruction manual.
Maximum fluid working pressure
See instruction manual.
Environmental temperature range
Noise (dBa)
Maximum sound pressure
<70 dBa with included muffler installed.
Inlet/Outlet Sizes
Fluid inlet size
1/4 in. npt(f) (1/4 npt(m) adapter included)
Fluid outlet size (1/4”, 3/8”, 1/2”, 5/8”, & 3/4” plungers only)
1/4 in. npt(f)
Fluid outlet size (1/8” & 3/16” plungers only)
Prime/bleed size (1/4”, 3/8”, 1/2”, 5/8”, & 3/4” plungers only)
10-32 UNF
Prime/bleed size (1/8” & 3/16” plungers only)
1/16 in. npt(f)
Pneumatic inlet size
1/8 in. npt(f) (1/4 npt(f) adapter included)
Pneumatic outlet size (exhaust recovery)
1/8 in. npt(f)
Materials of Construction
Pump/Check Valve Seal Material
See instruction manual. All other packing materials are PEEK and PTFE unless otherwise.
Wetted Parts
See instruction manual. All other materials are 316 stainless steel unless otherwise.

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