Description
The GRACO A25805 is a pneumatic chemical injection pump designed for high-pressure, reliable chemical metering in demanding industrial environments. It features a Chromex-coated 1/4 inch plunger and FKM-ETP seals for enhanced durability and chemical resistance. This pump is intended for use in applications requiring precise chemical injection, such as oilfield, mining, and industrial maintenance operations.
Key Features:
- Pneumatic Chemical Injection Pump
- Python XL, 4-1/2 in Air Motor, 1/4 in Plunger
- Chromex-coated plunger, FKM-ETP seals, robust air motor
- Capable of operating up to 12,000 psi (varies by configuration; confirm with manual for exact model)
- Interchangeable with other Python XL models for modular serviceability
- ATEX Approved (for use in explosive atmospheres)
- Highly durable Chromex-coated piston for extended service life
- FKM-ETP seals for superior chemical resistance
- Modular air valve and detachable pilot valve for easy maintenance
- Interchangeable displacement pumps with other Python XL models
- Low air/gas consumption for efficiency
- Silencer for reduced operating noise
- Proven GRACO Merkur air motor technology
- Easy to service: piston seals can be replaced in 10 minutes or less
Applications:
Ideal for chemical injection in oilfield, mining, industrial maintenance, and other environments requiring high-pressure, reliable chemical metering. Suitable for use in wells with low gas or air inlet pressure.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, safety, and compatibility with existing equipment.
- Ensure proper alignment and secure mounting of the pump
- Use recommended fittings and hoses for high-pressure applications
- Follow manufacturer guidelines for air supply and pressure settings
- Regularly inspect seals and plunger for wear and replace as needed
- Consult the equipment manual for specific installation and maintenance procedures






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