Description
The GRACO Python XL Pneumatic Chemical Injection Pump is a robust, stainless steel pump designed for chemical injection applications in demanding environments. It features a 4-1/2 inch air motor, a Chromex-coated 5/8 inch plunger, and HNBR seals, making it suitable for use with a wide range of chemicals. This pump is intended for reliable, high-pressure chemical injection in industrial and oilfield settings.
Key Features:
- Pneumatic Chemical Pump
- Python XL, 4-1/2 in Air Motor, 5/8 in Plunger
- Stainless Steel (316 SST fluid section/wetted parts)
- Capable of operating up to 12,000 psi (note: maximum working pressure for similar models is typically 3,6004,900 psi; confirm with manufacturer for exact specification)
- Interchangeable lowers with other Python XL models
- ATEX Approved, CE (for similar models)
- Chromex-coated plunger for extreme duty
- HNBR seals for chemical resistance
- Modular air valve design for easy service
- Removable pilot valve
- Pump lowers are interchangeable with other Python XL models
- Plunger packings can be replaced in 10 minutes or less
- Low air/gas consumption for increased efficiency
- Muffler provides low operation noise levels
- Three stroke adjustment positions
- Adjustable packing seals for better sealing and increased pump life
- Proven GRACO Merkur air motor technology
Applications:
Ideal for chemical injection in wells with low gas pressure, oilfield operations, and industrial processes requiring reliable, high-pressure chemical delivery.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, safety, and compatibility with existing equipment.
- Ensure proper alignment and secure mounting of the pump
- Use recommended air supply pressure (typically up to 100 psi)
- Check for leaks and proper seal installation before operation
- Follow manufacturer guidelines for chemical compatibility and maintenance intervals
- Regularly inspect and replace seals and packings as needed
- Replace plunger packings every 10 minutes or less as needed
- Inspect and clean air valves regularly
- Monitor for unusual noise or performance changes
- Use only recommended replacement parts






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