Graco 117728 Compression Union 3/8 Fitting
$10.70
In Stock
The Graco 117728 Compression Union 3/8 delivers a strong, leak-free connection for high-pressure spray systems, ensuring durability and consistent performance in demanding environments.
- Material: 316 Stainless Steel
- Pressure Rating: Up to 6000 PSI
- Connection Type: 3/8" Compression Union
- Fits: Graco Ultra Max II, GMAX, RTX, LineLazer & DutyMax models
- Resists: Corrosion, vibration, and fluid leaks
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Graco 117728 Compression Union 3/8 – Reliable Connection for High-Pressure Systems
Compatible Machines
- Graco Ultra Max II Series
- Graco GMAX Series
- Graco RTX Texture Sprayers
- Graco LineLazer Series
- Graco HydraMax and DutyMax Models
Product Description
The Graco 117728 Compression Union 3/8 provides leak-free, high-pressure connections for industrial fluid systems. Designed from corrosion-resistant stainless steel, this fitting ensures long-lasting durability and maintains system integrity in demanding airless spraying environments. Its compact, precision-machined design allows quick installation and secure sealing under pressure.
Key Features
- Corrosion-resistant 316 stainless steel construction for longevity.
- Rated up to 6000 PSI for high-pressure spray applications.
- Dual-ferrule design ensures consistent sealing and vibration resistance.
- Compact 3/8" size for tight installation spaces.
- Easy-to-install with standard wrench hex flats.
Technical Specifications
| Specification | Details |
|---|---|
| Material | 316 Stainless Steel |
| Connection Type | 3/8" Compression Union |
| Pressure Rating | Up to 6000 PSI |
| Operating Temperature | -40°F to 180°F |
| Weight | 0.08 lbs |
| Applications | Airless Paint Sprayers, Fluid Pumps, Hydraulic Lines |
Maintenance Tips
- Inspect regularly for wear or corrosion on ferrules and sealing surfaces.
- Torque to 25–30 ft-lbs during installation to ensure proper compression.
- Clean threads and seal faces before reassembly to prevent leaks.
- Replace worn ferrules promptly to maintain pressure integrity.
Frequently Asked Questions
The Graco 117728 Compression Union connects two fluid lines securely, maintaining a high-pressure, leak-free seal in airless spray systems and other industrial applications.
It fits a wide range of Graco sprayers including the Ultra Max II, GMAX, RTX, LineLazer, and DutyMax models.
Align the tubing ends squarely, insert them into the fitting, and tighten using a calibrated wrench to 25–30 ft-lbs. Avoid over-tightening to preserve ferrule integrity.
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