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