The GRACO 562646 is a double ball check valve designed for high-pressure fluid control applications. It features a steel body with a stainless steel (SST) ball, ensuring durability and resistance to corrosion. This valve is intended to prevent backflow and maintain system integrity in GRACO pumping and lubrication equipment.

Key Features:

• Double Ball Check Valve
• 1/4” NPTF x 1/4” NPTF
• Steel body, Stainless Steel (SST) ball
• Nominal cracking pressure: 110 psi; Maximum pressure: 8000 psi
• Compatible with GRACO pumps and systems requiring 1/4” NPTF connections
• Double ball design for enhanced reliability and leak prevention
• High-pressure capability (up to 8000 psi)
• Corrosion-resistant stainless steel ball
• Compact and robust construction for demanding environments

Applications:
Used in high-pressure lubrication, hydraulic, and fluid transfer systems where backflow prevention and system integrity are critical. Suitable for industrial, mining, and agricultural equipment.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety of the equipment. Non-genuine parts may compromise system integrity and void warranties.
• Ensure threads are clean and free of debris before installation
• Use appropriate thread sealant or tape as recommended by GRACO
• Tighten to recommended torque specifications to avoid leaks or damage
• Inspect valve and system for leaks after installation
• Regularly check for wear or damage as part of routine maintenance