Graco 120389 Tube Fitting

Graco 120389 Tube Fitting Details & Compatibility

Compatible Machines

• Graco Mark V
• Graco Mark X
• Graco King Airless Sprayer
• Graco ProContractor Sprayer

Product Overview

The Graco 120389 Fitting Tube is a precision-machined stainless steel component designed for high-pressure airless sprayer systems. It ensures leak-proof connections, smooth fluid flow, and improved pump efficiency for demanding professional coatings applications.

Key Features

• Material: UNS S31600 Stainless Steel
• Pressure Rating: 3000+ psi
• Dimensions: 1.2 × 0.55 × 0.6 in
• Compact Design: Minimal dead volume, easy installation
• Precision Tolerance: ±0.01 mm for O-ring seating

Installation & Maintenance

• Apply 8–10 Nm torque in incremental steps for proper sealing.
• Clean surfaces thoroughly before installation to ensure leak-proof connection.
• Inspect regularly and replace O-rings with Viton or EPDM variants as needed.

Frequently Asked Questions