The GRACO 156684 is a fitting, union, and adapter designed to connect and adapt between different types of pipe threads in GRACO equipment. Its material is not specified in available sources, but it is intended for use in high-pressure fluid handling systems, facilitating secure and reliable connections between components.

Key Features:

• Union Adapter
• 1/2" NPS(f) x 1/2" NPT(m)
• Up to 7250 PSI
• Compatible with GRACO equipment requiring 1/2" NPS(f) and 1/2" NPT(m) connections
• Swivel design for ease of installation and maintenance
• Reliable connection for high-pressure applications
• Durable construction for demanding industrial environments

Applications:
Used in industrial fluid handling systems, including lubrication, paint, and chemical transfer applications where secure, high-pressure connections are required.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of your equipment.
• Ensure threads are clean and free of debris before installation
• Use appropriate thread sealant or tape as recommended for the application
• Hand-tighten before using tools to avoid cross-threading
• Check for leaks after installation and during operation
• Regularly inspect for signs of wear or damage
• Replace immediately if leaks or damage are detected
• Follow manufacturer’s recommended maintenance schedule