Description
The GRACO A25218 is a pneumatic chemical injection pump designed for high-pressure chemical metering applications. It features a 2-1/2 inch air motor, a Chromex coated 5/8 inch plunger, and FFKM seals, all constructed for durability and chemical resistance. This pump is intended for use in environments requiring reliable, high-pressure chemical injection, such as oilfield and industrial applications.
Key Features:
- Pneumatic chemical injection pump
- Python XL, 2-1/2 in air motor, 5/8 in plunger
- 316 SST (stainless steel) fluid section/wetted parts, Chromex coated plunger, FFKM seals
- Up to 12,000 psi
- Interchangeable pump lowers with other Python XL models
- CE Approved
- Modular air valve design for easy maintenance
- Removable pilot valve
- Plunger packings can be replaced in 10 minutes or less
- Requires only a minimum of 15 psi to operate
- Low air/gas consumption for increased efficiency
- Muffler provides low operation noise levels
- Proven GRACO Merkur air motor technology
- Three stroke adjustment positions
- Adjustable packing seals for better sealing and increased pump life
- 97% recoverable exhaust gas, reduced fugitive methane emissions
Applications:
Ideal for chemical injection in wells with low gas pressure, oilfield operations, and industrial processes requiring high-pressure, reliable chemical metering.
Installation Notes:
- Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the pump.
- Ensure all connections are secure and leak-free before operation
- Use appropriate safety measures when handling high-pressure equipment
- Regularly inspect and maintain seals and packings for optimal performance
- Follow manufacturer guidelines for air supply and pressure settings
- Replace plunger packings as needed (can be done in 10 minutes or less)
- Inspect air valve and pilot valve for wear and proper function
- Check for leaks and unusual noise during operation
- Use only compatible replacement parts for repairs






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