The GRACO 18F425 is a retaining nut designed for use with ratio check nozzles in GRACO dispensing systems. Its primary function is to secure the ratio check nozzle (such as 18F424) in place, ensuring accurate mix ratio verification for 1:1 models. Material is not specified in available documentation.

Key Features:

• Retaining Nut (Ratio Check Nut)
• 18F425
• Compatible with GRACO ratio check nozzles (e.g., 18F424) for 1:1 models
• Secures ratio check nozzle for accurate mix ratio verification
• Essential for maintaining dispensing system accuracy
• Designed for use in GRACO MDX Dispense Valve systems

Applications:
Used in GRACO dispensing systems for verifying and maintaining accurate mix ratios, particularly in applications requiring precise two-component material dispensing.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and system accuracy, reducing the risk of leaks or incorrect mix ratios.
• Install the nut with the appropriate ratio check nozzle (e.g., 18F424) as specified in the equipment manual
• Ensure threads are clean and undamaged before installation
• Tighten securely but avoid over-torquing to prevent damage
• Regularly inspect the nut and nozzle for wear or damage
• Replace if signs of wear or damage are present
• Follow GRACO’s recommended maintenance schedule for dispensing systems