The GRACO 131783 is a stainless steel adapter fitting designed to connect 3/4 inch O-Ring Boss (ORB) ports to 1/2 inch National Pipe Thread Female (NPTF) ports. It is used within GRACO fluid handling equipment to ensure secure, leak-free connections between different types of hydraulic or pneumatic components.

Key Features:

• Adapter fitting
• 3/4 ORB x 1/2 NPTF
• Stainless steel
• Compatible with GRACO EFR Series and other GRACO equipment requiring 3/4 ORB to 1/2 NPTF connections
• Durable stainless steel construction for corrosion resistance
• Designed for reliable, leak-free connections
• Standardized thread sizes for easy integration

Applications:
Used in GRACO fluid dispensing and proportioning systems, such as the EFR Series, to adapt between ORB and NPTF port types for secure fluid transfer in industrial lubrication and maintenance applications.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the equipment. Non-genuine parts may compromise system integrity and safety.
• Ensure threads are clean and free of debris before installation
• Apply appropriate thread sealant or tape as required for NPTF connections
• Tighten fittings to recommended torque specifications to prevent leaks and damage
• Inspect for leaks after installation and during routine maintenance