The GRACO A23557 is a chemical injection pump designed for reliable and efficient delivery of chemicals in industrial applications. It features an HNBR (Hydrogenated Nitrile) seal for enhanced chemical resistance, a 1/4 inch plunger, operates on 115 VAC, and is rated at 1/6 HP. The duplex configuration allows for two pumps in one unit, increasing reliability and redundancy. This pump is constructed with robust materials suitable for harsh environments and is intended for use within GRACO chemical injection systems.

Key Features:

• Chemical Injection Pump
• G-Chem, 1/4 in Plunger, Duplex
• Stainless steel wetted parts, HNBR seal, robust drive train
• Compatible with a wide range of chemicals, depending on seal material (HNBR for this model)
• Duplex configuration for redundancy
• Easy access to plunger and packings for maintenance
• Adjustable fluid packing for longer service life
• Proprietary poppet style check valve to prevent sticking
• Robust and simple design for reliability
• Suitable for harsh industrial environments

Applications:
Ideal for chemical injection applications in industries such as oil and gas, mining, agriculture, and water treatment. Used for precise dosing of chemicals into process streams.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the chemical injection system.
• Verify all system valves are open before priming the pump to avoid damage
• Follow electrical connection guidelines as specified in the manual
• Ensure proper grounding and voltage supply (115 VAC for this model)
• Regularly inspect and replace seals and packings as needed
• Refer to the equipment manual for detailed installation and maintenance procedures