Graco 127558 Quick Disconnect Gauge Kit for Accurate Pressure Monitoring
Compatible Machines
- Graco 24U618 – Gas / Petrol Cart Sprayer
- Graco 24U985 – Electric / Electrostatic Pump-Drive Sprayer
- Graco 24U123 – Contractor Airless Sprayer
- Graco 24U456 – Industrial High-Pressure Pump System
Product Overview
The Graco 127558 Quick Disconnect Gauge Kit is designed to provide precise pressure monitoring for high-performance airless sprayers. Its quick-disconnect design allows for easy installation and maintenance while ensuring reliable performance in demanding applications.
Key Features
- Quick-disconnect gauge for easy installation and removal
- High-accuracy diaphragm for precise pressure readings
- Durable stainless steel and brass construction
- Compact design suitable for retrofits or new sprayer setups
- Compatible with aggressive fluids and wide range of viscosities
Benefits
- Enhances pressure control for consistent spray performance
- Provides real-time monitoring to prevent system overloads
- Durable components extend service life in harsh environments
- Simple installation without adapters
Technical Specifications
| Specification | Detail |
| Maximum Pressure | 5,000 psi |
| Connection Type | 1/4″ NPT(F) |
| Gauge Size | Quick-disconnect diaphragm |
| Material | Stainless steel and brass housing |
Installation Guide
- Depressurize the sprayer before starting installation.
- Connect the gauge to the 1/4″ NPT(F) port on the pump manifold.
- Ensure proper torque to avoid damaging the diaphragm.
- Flush the system to remove any debris.
- Verify gauge readings using a calibrated reference.
Maintenance Tips
- Regularly inspect the lens for scratches or clouding
- Calibrate or verify readings every 6–12 months
- Use clean solvent lines when flushing aggressive chemicals
- Release pressure during storage to prevent diaphragm stress
Applications
- High-pressure contractor airless sprayers
- Industrial spray systems needing precise pressure feedback
- Retrofitting older rigs for improved control and safety
Frequently Asked Questions
The Graco 127558 Quick Disconnect Gauge Kit is rated up to 5,000 psi.
Yes, provided the sprayer has a compatible 1/4″ NPT port and does not exceed the maximum pressure rating. Always confirm compatibility with your sprayer’s parts diagram.
Calibration every 6–12 months is recommended, especially for sprayers used with abrasive coatings or high vibration environments.
Summary
The Graco 127558 Quick Disconnect Gauge Kit is a reliable and precise solution for airless sprayers, offering easy installation, accurate pressure monitoring, and long-lasting performance for both contractor and industrial applications.
