Graco 121238 Fitting 3/8 MNPT x 3/4 FNPT
$400.00
Available to Order
The Graco 121238 Fitting connects 3/8 MNPT male threads to 3/4 FNPT female threads, ensuring a secure, leak-free connection in fluid systems.
- Durable metal construction
- High-pressure resistance for reliable performance
- Leak-proof with secure thread sealing
- Quick installation with standard NPT threads
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Genuine OEM Part
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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
| Part Number | 121238 |
|---|---|
| Type | Straight Adapter Fitting |
| Thread Size (Male) | 3/8 MNPT |
| Thread Size (Female) | 3/4 FNPT |
| Material | Corrosion-resistant metal alloy |
| Application | Fluid line connection between different NPT thread sizes in Graco systems |
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
The Graco 121238 fitting is used to connect a 3/8 MNPT male thread to a 3/4 FNPT female thread, typically in high-pressure fluid systems, such as Graco spray equipment and proportioners.
While the fitting is designed specifically for Graco systems, it may work with other equipment that uses 3/8 MNPT and 3/4 FNPT ports. Always verify compatibility with your system's manual before use.
Yes, the Graco 121238 fitting is specifically designed for use in high-pressure fluid systems, such as those used in Graco spray and proportioning equipment.
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