The GRACO A25502 is a pneumatically operated chemical injection pump designed for high-pressure, reliable chemical transfer in demanding environments. It features a 2-1/2 inch air motor, a Chromex coated 1/2 inch plunger, and FKM (Fluoroelastomer) seals, with ATEX certification for use in explosive atmospheres. The pump is constructed with robust materials for long service life and is intended for use in chemical injection applications, particularly in oil and gas, mining, and industrial settings.

Key Features:

• Pneumatic chemical injection pump
• Python XL, 2-1/2 in Air Motor, 1/2 in Plunger
• Chromex coated plunger, FKM seals, 316 SST fluid section/wetted parts
• Up to 12,000 psi
• Interchangeable lowers with other Python XL models
• ATEX Approved
• Modular air valve design for easy serviceability
• Removable pilot valve
• Plunger packings replaceable in 10 minutes or less
• Low air/gas consumption for efficiency
• Muffler for low operation noise
• Proven GRACO Merkur air motor technology
• Three stroke adjustment positions
• Environmentally friendly: 97% recoverable exhaust gas, reduced fugitive methane emissions

Applications:
Chemical injection in wells with low gas pressure, oil and gas, mining, and industrial applications requiring high-pressure, reliable chemical transfer.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and compatibility with existing systems.
• Ensure proper alignment and secure mounting of the pump
• Use recommended air/gas supply pressure (minimum 15 psi required)
• Check all seals and connections before operation
• Follow manufacturer guidelines for stroke adjustment and maintenance
• Regularly inspect and replace plunger packings as needed