The GRACO G-Chem Pump with HNBR Seal and 3/8 in plunger is a chemical injection pump designed for reliable, low-maintenance operation. It features a robust construction with HNBR (Hydrogenated Nitrile Butadiene Rubber) seals and is intended for use in chemical injection applications, ensuring precise and consistent delivery of chemicals within industrial systems.

Key Features:

• Chemical Injection Pump
• Simplex, 3/8 in Plunger
• Stainless steel wetted parts, HNBR seals, UHMWPE and PTFE packing materials
• Designed for integration with GRACO chemical injection systems and compatible with various chemical fluids (see manual for chemical compatibility)
• Easy access to pump plunger and packings
• Plunger packings can be replaced in 10 minutes or less
• Three defined stroke adjustment positions
• Adjustable fluid packing for longer seal life
• Proprietary poppet style check valve to prevent sticking
• Robust and simple design for reliability and ease of maintenance
• Suitable for ordinary location environmental temperature range: -40° to 131°F (-40° to 55°C)
• Maximum sound pressure <70 dBa

Applications:
Ideal for chemical injection in industrial, mining, agricultural, and manufacturing environments where precise and reliable chemical dosing is required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety of the chemical injection system.
• Verify all system valves are open before priming the pump to avoid equipment damage
• Follow electrical connection instructions as per the manual (115 VAC input for this model)
• Mount securely using provided mounting holes
• Refer to the manual for specific installation and maintenance procedures
• Adjust cycle rate and/or stroke as needed to achieve desired flow rate
• Regularly inspect and replace plunger packings as needed
• Ensure seals and wetted parts are compatible with the chemicals being injected
• Keep the pump clean and free from debris
• Consult the manual for detailed maintenance schedules and procedures