Description
The GRACO A30991 is a fluid module designed for chemical injection pumps, featuring a 1/2 inch plunger, HNBR (Hydrogenated Nitrile Butadiene Rubber) seals, and a Chromex coated rod. It is engineered for reliable, long-lasting performance in demanding industrial environments, ensuring compatibility with a wide range of chemicals and robust operation within GRACO G-Chem pump systems.
Key Features:
- Fluid Module
- 1/2 inch plunger
- Chromex coated plunger rod, HNBR seals, stainless steel wetted parts
- Compatible with a wide range of chemicals; check chemical compatibility with HNBR and Chromex materials
- Chromex coated plunger rod for enhanced durability and corrosion resistance
- HNBR seals for chemical resistance and long service life
- Easy access to plunger and packings for quick maintenance
- Adjustable fluid packing for extended seal life
- Proprietary poppet style check valve prevents valve sticking
- Robust, simple design for reliable operation in harsh environments
Applications:
Used in chemical injection systems for industrial, mining, agricultural, and process applications where precise, reliable chemical dosing is required.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, compatibility, and longevity of the pump system.
- Ensure all wetted parts are compatible with the chemicals being pumped
- Follow manufacturers instructions for installation and maintenance
- Replace seals and packings as recommended to maintain performance
- Regularly inspect and clean the fluid module to prevent buildup and ensure smooth operation
- Replace plunger packings in 10 minutes or less for minimal downtime
- Check for leaks and wear during routine maintenance
- Use only compatible fluids and solvents as specified in the manual






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