Graco 121238 Fitting 3/8 MNPT x 3/4 FNPT

Graco 121238 Fitting – 3/8 MNPT x 3/4 FNPT

The Graco 121238 Fitting is designed to seamlessly connect 3/8 MNPT male threads to 3/4 FNPT female threads in high-pressure fluid systems. Built for durability and reliable performance, this fitting is perfect for Graco’s fluid handling equipment, ensuring secure and leak-free connections during operation.

Compatible Machines

This 3/8 MNPT x 3/4 FNPT fitting is used across various Graco systems. Here are some models that commonly require this part:

• Graco Reactor 2 Series (E-Series, H-Series, XP-Series)
• Graco Reactor 3 Series (specific models with 3/4 FNPT connections)
• Graco Airless Sprayers with mixed-size NPT ports
• Graco Polyurethane Spray Equipment
• Other Graco equipment requiring 3/8 MNPT to 3/4 FNPT transitions

Note: Please verify the compatibility with your specific Graco model by referring to the equipment manual or parts list.

Key Features

• Durable Construction: Designed from high-quality metal for strength and longevity.
• Leak-Proof Seal: Ensures a secure, tight fit to prevent leaks in high-pressure systems.
• Easy Installation: Installs quickly with standard NPT threads; no special tools required.
• Perfect for Fluid Systems: Ideal for use in Graco fluid management equipment.
• High-Pressure Resistance: Engineered to withstand the pressures found in Graco's heavy-duty equipment.

Technical Specifications

Installation Instructions

• Clean both the male and female thread surfaces to ensure a proper seal.
• Apply thread sealant or tape as recommended by Graco to prevent leaks.
• Thread the fitting into the appropriate port and tighten securely without over-tightening.
• Check the fitting regularly for signs of wear, corrosion, or leaks, especially in high-pressure systems.

Why Choose Graco 121238 Fitting?

• Precision Engineering: Designed for optimal performance and perfect fit with Graco systems.
• Reliable and Durable: Made from high-quality materials to last in demanding industrial environments.
• Leak-Resistant: Ensures a tight, leak-proof connection for safe and efficient operation.

Frequently Asked Questions