GRACO 563966 - Blowout Disc Kit - (6) Blue, 2950 PSI, 11/16", 3/8 in Diameter

Blowout disc package designed for rupture-to-atmosphere indicators that provide pump protection and visual indication of excessive system pressure. The pressure disc ruptures at a predetermined pressure setting, venting lubricant to the atmosphere and relieving high pressure in the system.

Specifications

• Thread: 3/8 in Diameter
• Max Working Pressure: 2950 PSI (203.0 bar)
• Color Code: Blue
• Tolerance: + 500 PSI (3.4 MPa, 34.5 bar)
• Disc Color: Blue
• Quantity: 6
• Diameter: 11/16 in.

Features

• Factory-calibrated pressure relief at 2950 PSI
• Color-coded blue for easy identification
• ±20% pressure tolerance for reliable operation
• Single-use safety device for equipment protection
• Provides pump protection
• Visual indication of excessive system pressure

Applications

• Pressure protection for Modu-Flo lubrication systems
• Safety relief in high-pressure grease systems
• Equipment protection from over-pressurization
• Rupture-to-atmosphere indicator systems
• High pressure lubrication systems
• Pump protection applications

Compatible Equipment

• Trabon Modu-Flo L12000 systems
• GRACO lubrication reservoirs with pressure protection
• Rupture-to-atmosphere indicators with 3/8 in diameter fittings
• GRACO pumps with Rupture-to-Atmosphere Indicators

Related Parts

• 557431 - Black 900 PSI disc
• 557432 - Green 1175 PSI disc
• 557433 - Yellow 1450 PSI disc
• 557434 - Red 1750 PSI disc
• 557435 - Orange 2050 PSI disc
• 557436 - Aluminum 2350 PSI disc
• 557437 - Pink 2650 PSI disc
• 557439 - Purple 3250 PSI disc, 563952 (Yellow, 1450 PSI)
• 563955 (Red, 1750 PSI)

Kit Contents

• 6 Blue blowout discs rated at 2950 PSI
• 6 Blue blowout discs

This is a replacement blowout disc, not a complete kit. Blowout discs are single-use safety devices that must be replaced after activation. Part of the 3/8 in Diameter blowout disc family. Package quantity is 6 discs. Discs greater than 2,350 PSI have a tolerance of ± 20%. Standard on all GRACO pumps. When pressure reaches predetermined setting, pressure disc ruptures, venting lubricant into atmosphere and relieving pressure. Complete assembly part number 563185.

Reference Manuals

• L12000EN-D (Page 11)
• L15401EN-C (Page 3)
• 312497 (Page 40)
• 332023 (Page 12)