The GRACO A25511 is a pneumatic chemical injection pump designed for hazardous environments. It features a 2-1/2 inch air motor, a Chromex-coated 3/8 inch plunger, and HNBR seals. The pump is engineered for reliable, high-pressure chemical injection in demanding industrial applications.

Key Features:

• Pneumatic Chemical Injection Pump
• Python XL, 2-1/2 in Air Motor, 3/8 in Plunger
• Chromex-coated plunger, HNBR seals, robust metal construction
• Up to 12,000 psi (Python XL series capability); specific model maximum working pressure: 4,440 psi (30.6 MPa, 306 bar, 30,600 kPa) for similar models with same air motor and plunger size
• Compatible with Python XL series lowers and accessories
• ATEX Approved (for hazardous locations)
• Modular air valve design for easy service
• Removable pilot valve
• Interchangeable pump lowers with other Python XL models
• Plunger packings can be replaced in 10 minutes or less
• Three stroke adjustment positions
• Low air/gas consumption for efficiency
• Muffler for reduced operation noise
• Proven GRACO Merkur air motor technology
• Robust and simple design with 316 SST fluid section/wetted parts
• Adjustable packing seals for better sealing and increased pump life

Applications:
Ideal for chemical injection in hazardous environments, oil and gas wells (especially those with low gas pressure), and industrial processes requiring reliable, high-pressure fluid transfer.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate fittings and hoses rated for the intended pressure and chemical compatibility
• Follow all safety guidelines for hazardous location installations
• Regularly inspect and maintain seals and plunger packings
• Consult the equipment manual for specific installation and maintenance procedures