The GRACO 155570 is a swivel union fitting designed to connect two fluid lines with a swiveling action, allowing for flexible installation and reducing stress on connected components. It is typically constructed from robust materials suitable for high-pressure applications, though the specific material is not specified in available documentation. This part is intended for use within GRACO fluid handling equipment to ensure reliable, leak-free connections in demanding industrial environments.

Key Features:

• Union
• 1/4 inch NPT (male) x 1/4 inch NPSM (female)
• Maximum working pressure: 5000 psi
• Designed for use with GRACO fluid handling equipment and compatible with standard 1/4 inch NPT and NPSM connections
• Swivel action for flexible installation
• Reduces stress on connected lines
• Engineered for high-pressure environments
• Designed for long life and outstanding performance

Applications:
Used in industrial fluid handling systems, including lubrication, paint, and other high-pressure applications where flexible, leak-free connections are required.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance within GRACO equipment.
• Ensure threads are clean and free of debris before installation
• Apply appropriate thread sealant if required
• Hand-tighten before final torque to avoid cross-threading
• Check for leaks after installation and during operation
• Regularly inspect for leaks or wear
• Replace if signs of damage or excessive wear are present
• Follow GRACO equipment maintenance schedules