The GRACO 121193 is a spring-loaded plunger with a 1/4-20 thread, designed for use as a mechanical actuator component within GRACO dispensing equipment. Its material is not specified in available documentation, but it is intended to provide reliable actuation and reset functionality in valve assemblies.

Key Features:

• Spring Plunger
• 1/4-20 Thread
• Compatible with GRACO MD2 valve assemblies and related equipment
• Spring-loaded for consistent actuation
• Designed for integration into valve assemblies
• Reliable performance in professional dispensing applications

Applications:
Used as an actuator component in GRACO MD2 valve assemblies for dispensing sealants, adhesives, and other materials in industrial and professional settings.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and reliability, reducing the risk of equipment failure and downtime.
• Ensure the plunger is properly aligned and seated during installation
• Lubricate moving parts as recommended in the manual
• Keep parts from different sides (A/B) separate during maintenance to prevent cross-contamination of materials
• Follow torque specifications for related fasteners (e.g., 25 in-lb for valve assembly components)
• Regularly inspect and maintain actuator components for wear or damage
• Use only compatible replacement parts as specified by GRACO
• Refer to the equipment manual for detailed installation and maintenance procedures