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 manufacturer’s 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