

The Graco 117510 Coupler LineAir 1/4 NPT provides fast, secure connections and reliable performance for airless sprayer systems:
The Graco 117510 Coupler LineAir 1/4 NPT delivers reliable, high-performance connections for your airless sprayer system. Precision-milled and durable, it ensures consistent airflow and pressure for seamless application.
| Feature | Description |
|---|---|
| Connection | 1/4 NPT male and female quick-connect interface for rapid assembly |
| Construction | High-grade brass and stainless steel components for superior corrosion resistance |
| Pressure Range | Operational from 50 psi to 4000 psi, tested up to 4500 psi |
| Sealing | Nitrile O-rings and fluorocarbon backup rings for leak-free performance |
| Durability | Exceeds 100,000 connect/disconnect cycles with minimal wear |
The coupler features CNC-turned 316L stainless steel housing and electropolished internal ball for minimal friction. Secondary components are surface-hardened, and the dual-lip nitrile seal prevents fluid migration. All materials meet RoHS and REACH standards.
Supports rapid push-to-connect and pull-to-release operation. Torque engagement: 20–25 ft-lbs. Thermal cycle tested from –20°F to 250°F, ensuring reliable performance in industrial environments. Minimal maintenance required with periodic seal inspection and lubrication.