The GRACO 501603 is a check valve designed for use in fluid handling systems. It is constructed from stainless steel (SST) and features a threaded connection (1/2" NPT). This valve is intended to prevent backflow and ensure unidirectional flow within GRACO equipment, commonly used in industrial lubrication and maintenance applications.

Key Features:

• Check Valve
• 1/2" NPT
• Stainless Steel (SST)
• Compatible with GRACO fluid handling systems and equipment requiring 1/2" NPT connections
• Prevents backflow in fluid systems
• Stainless steel construction for durability and corrosion resistance
• Threaded connection for secure installation
• Reliable performance in demanding industrial environments

Applications:
Used in industrial lubrication systems, maintenance equipment, and other applications where prevention of backflow and reliable fluid control are required.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance within GRACO equipment.
• Ensure proper alignment and secure tightening of the 1/2" NPT threaded connection
• Inspect valve and surrounding components for leaks after installation
• Follow local safety and maintenance guidelines for fluid handling equipment