The GRACO 563964 Blowout Disc Kit is a set of six orange-colored rupture discs designed for use in automatic lubrication systems. These discs are typically made from a durable, pressure-sensitive material and serve as safety components that rupture at a specified pressure to indicate system overpressure or to protect equipment from damage.

Key Features:

• Blowout/Rupture Disc
• 11/16 in. (0.688 in.) diameter
• 2050 psi
• For use with 1/8" NPTF Rupture-To-Atmosphere Indicators in GRACO automatic lubrication systems
• Easy to replace
• Reliable pressure indication
• Sold in convenient 6-pack for maintenance efficiency

Applications:
Used in automatic lubrication equipment across industries such as mining, construction, agriculture, and transportation to provide overpressure protection and system status indication.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and safety in lubrication systems.
• Replace discs during routine maintenance or when system pressure exceeds rated limits
• Ensure system is depressurized before replacing discs
• Follow equipment manual for specific installation procedures