The GRACO 563384 High-Pressure Blowout Switch is a safety component designed for use with oil-based lubrication systems. It is engineered to monitor and respond to excessive pressure conditions, specifically up to 1,450 psi (100 bar), to protect GRACO Lubemaster® pumps and associated equipment from damage due to overpressure events.

Key Features:

• High-Pressure Blowout Switch
• 563384 / 521-700-390
• 1,450 psi (100 bar)
• Oil-based lubrication systems
• Designed for high-pressure environments
• Reliable overpressure protection
• Easy to integrate with existing GRACO Lubemaster® systems
• Requires approximately 3 feet of 1/4 in OD copper tubing for installation (to be sourced separately)

Applications:
Used in industrial lubrication systems, particularly with GRACO Lubemaster® pumps, to provide overpressure protection and ensure safe operation of oil-based lubrication circuits.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and maintains warranty and safety standards.
• Ensure the system is depressurized before installation
• Use the recommended 1/4 in OD copper tubing for connecting the switch
• Follow all manufacturer guidelines for wiring and integration
• Regularly inspect the switch and tubing for signs of wear or damage
• Periodically check for leaks or pressure anomalies
• Replace tubing if damaged or corroded
• Test the switch function as part of routine maintenance