Graco 126431 45 Degree Fitting 9/16-18 JIC to 1/2 NPT
$49.75
$54.25
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The Graco 126431 45° Fitting provides a secure, angled connection from 9/16-18 JIC to 1/2" NPT, ideal for tight or angled fluid-line routing in Graco systems.
- OEM Part #: 126431
- Connection: 9/16-18 JIC (male) → 1/2" NPT (male)
- 45° elbow for improved line positioning
- Durable, leak-resistant construction
- Fits Graco high-pressure fluid systems
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Graco 126431 45° Elbow Adapter — 9/16-18 JIC → ½″ NPT
Compatible Graco Systems
- Graco fluid-handling and spray pump assemblies
- High-pressure Graco diaphragm or piston pumps
- Any system using 9/16-18 JIC to ½″ NPT adapters
The Graco 126431 is a precision-machined **45° elbow fitting**, providing a reliable connection between a 9/16-18 JIC (37° flare) line and a ½″ NPT port. This adapter ensures strong, leak-resistant fluid routing in tight or angled configurations.
Key Features
- Part Number: 126431
- Connections: 9/16-18 JIC (male) → ½″ NPT (male)
- Angle: 45°, ideal for compact or angled routing
- Durable Construction: Built for high-pressure fluid systems
- OEM Graco Quality: Matches Graco’s original specifications
Technical Specifications
| Specification | Detail |
|---|---|
| Maximum Working Pressure | As per Graco system design (see pump or manifold manual) |
| Thread Standard - Inlet | 9/16-18 JIC male (37° flare) |
| Thread Standard - Outlet | ½″ NPT male |
| Elbow Angle | 45° |
| Material | High-grade machined steel or brass (OEM) |
Practical Use Cases
This 45° adapter is especially useful when:
- You need to reroute fluid lines in tight spaces
- The standard straight fitting would interfere with other components
- You are installing or servicing Graco pumps where the port layout makes straight connectors impractical
Installation Tips
- Ensure mating threads (JIC and NPT) are clean and free of debris.
- Use appropriate thread sealant or tape on the NPT side for leak prevention.
- Tighten carefully — over-torquing may distort sealing surfaces or damage flared connections.
- Inspect for leaks after pressurizing; re-tighten or replace if needed.
Frequently Asked Questions
A 45° elbow helps you route fluid lines around obstacles and minimizes stress from tight bends, improving system durability.
Yes, this is an OEM Graco part designed for fluid systems with significant pressure. Always consult your pump’s manual for its maximum working pressure and safety guidelines. :contentReference[oaicite:0]{index=0}
Use a swivel if your line needs to rotate or move under use. This 126431 is a rigid 45° fitting — if you prefer swivel, consider Graco part 126432
This part uses 9/16-18 JIC (a 37° flare standard) on one side and ½″ NPT (National Pipe Thread) on the other — common in many Graco fluid-handling systems.
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