The GRACO A22421 is a pneumatic double-acting chemical injection pump designed for high-pressure, high-flow chemical transfer applications. It features a ceramic-coated plunger and HNBR seals for enhanced durability and chemical resistance. This pump is intended for use in non-hazardous locations and is suitable for continuous flow operation in demanding industrial environments.
Key Features:
Pneumatic Chemical Injection Pump
Python XL-DA, 4-1/2 in Air Motor, 1 in Plunger
Ceramic-coated plunger, HNBR seals
Designed for chemical injection in non-hazardous locations
CE Approved
Double-acting: pumps fluid in both directions for continuous flow
Self-priming and anti-locking to prevent air entrapment
Simple design for quick seal replacement and ease of maintenance
Vertical installation for reduced footprint
Environmentally friendly with recoverable exhaust gas (with kit)
Minimal tools required for service
Reliable operation in harsh environments
Applications: Chemical injection in industrial processes requiring high flow and pressure, such as oil and gas, mining, and large-scale manufacturing.
Installation Notes:
Using genuine GRACO parts ensures optimal performance, safety, and compatibility with existing equipment.
Install pump vertically to minimize footprint and ensure proper operation
Ensure all connections are secure and compatible with the specified fluid and pressure ratings
Follow manufacturer guidelines for air supply and exhaust management
Regularly inspect seals and plunger for wear and replace as needed
Perform routine checks on seals and plunger
Replace worn components with genuine GRACO parts
Keep air supply clean and dry to prevent contamination
Consult the equipment manual for detailed maintenance procedures
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