Description
The GRACO A25844 is a pneumatically operated chemical injection pump designed for high-pressure, reliable chemical dosing in demanding environments. It features a 4-1/2 inch air motor, a ceramic-coated 3/4 inch plunger, and TFE/P seals for enhanced durability and chemical resistance. This pump is ATEX approved, making it suitable for use in potentially explosive atmospheres.
Key Features:
- Pneumatic chemical injection pump
- Python XL, 4-1/2 in Air Motor, 3/4 in Plunger
- Ceramic-coated plunger, TFE/P seals, robust metal housing
- Capable of operating up to 12,000 psi (see instruction manual for specific model limits)
- Designed for chemical injection in oilfield, industrial, and process applications
- ATEX approved (for use in explosive atmospheres)
- High reliability and long service life
- Easy to operate and maintain
- Proven air motor technology
- Suitable for harsh environments (-40 to 176F / -40 to 80C)
- Low noise operation (sound pressure: 70.2 dBA for 4.5 in. air motor)
Applications:
Chemical injection in oil and gas well sites, industrial process control, and other applications requiring precise, high-pressure chemical dosing. Not for use with sour gas.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, safety, and compatibility with existing systems.
- Mount the pump vertically using the 1/4 in. NPT(f) inlet port on the bottom
- Ensure inlet plumbing is strong enough to support the pumps weight
- Install a y-strainer or chemical filter before the pump inlet to prevent debris from reaching the seals
- Follow all safety and regulatory guidelines for ATEX-approved equipment
- Regularly inspect seals and plunger for wear and replace as needed
- Use only recommended lubricants and replacement parts
- Monitor for leaks and unusual noise
- Keep the air supply clean and dry
- Consult the manual for detailed maintenance schedules
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