The GRACO A25816 is a pneumatic chemical injection pump designed for professional use in well sites and industrial applications. It features a Chromex-coated 3/8 in plunger and FFKM seals for enhanced durability and chemical resistance. The pump is intended for injecting chemicals using compressed air, with robust construction for demanding environments.

Key Features:

• Pneumatic Chemical Injection Pump
• Python XL, 4-1/2 in Air Motor, 3/8 in Plunger
• Chromex-coated plunger, FFKM seals, 316 SST fluid section/wetted parts
• Capable of operating up to 12,000 psi (specific to model/series; confirm for exact model)
• Designed for use with compressed air only; compatible with various chemical injection applications
• ATEX Approved (for hazardous locations, if specified; confirm for exact model)
• Modular air valve design for easy maintenance
• Removable pilot valve
• Interchangeable pump lowers with other Python XL models
• Plunger packings replaceable in 10 minutes or less
• Low air/gas consumption for increased efficiency
• Muffler for low operation noise
• Proven GRACO Merkur air motor technology
• Three stroke adjustment positions
• Adjustable packing seals for better sealing and increased pump life
• Robust and simple design for reliability and long service life

Applications:
Ideal for chemical injection at well sites, oil and gas operations, and other industrial applications requiring precise and reliable chemical dosing.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
• Install a y-strainer or chemical filter before the pump inlet to prevent debris from reaching the pump seals
• Mount the pump securely using appropriate wall brackets
• Follow all safety instructions and warnings in the manual
• Ensure compressed air supply is clean and regulated
• Regularly inspect and maintain seals and plunger packings for best performance