Graco 159801 90-Degree Swivel Union Fitting
$101.89
In Stock
The Graco 159801 90-Degree Swivel Union Fitting allows smooth hose rotation while providing a secure 90° fluid-line connection for high-pressure systems.
- Prevents hose twisting in compact routing areas
- 3/8 in. NPT inlet × 1/2 in. NPT outlet
- Used in proportioners and dual-hose assemblies
- Suitable for high-pressure fluid applications
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Overview of the Graco 159801 90-Degree Swivel Union Fitting
The Graco 159801 90-Degree Swivel Union Fitting is a high-pressure swivel connector designed to prevent hose twisting while allowing smooth directional changes in fluid lines. Commonly used in tight-routing areas within Graco proportioning and fluid-handling systems.
Compatible Machines / Systems
| Compatible Equipment |
|---|
| Graco 8900 Proportioner |
| Dual-Hose / Dual-Reel Assemblies |
| Industrial Coating & Fluid-Handling Systems |
| High-Pressure Hose Routing Setups |
| Product Details | |
|---|---|
| Part Number | 159801 |
| Type | 90° Swivel Union Fitting |
| Thread Size | 3/8 in. NPT (inlet) × 1/2 in. NPT (outlet) |
| Typical Pressure Rating | Up to 3,000 PSI (per proportioner fluid-line specification) |
| Usage | Prevents hose twisting and supports compact routing |
Installation Overview
Installing the 159801 Swivel Union ensures smooth hose rotation and secure high-pressure connections within fluid systems.
- Confirm inlet and outlet threads match your Graco fluid-line specifications.
- Apply appropriate thread sealant for high-pressure NPT fittings.
- Avoid over-tightening to preserve swivel action.
- Check for leaks after pressurizing the system.
Frequently Asked Questions
It allows a 90-degree directional change while letting the hose swivel freely, preventing twisting and improving hose life in high-pressure systems.
Yes. It uses 3/8 in. and 1/2 in. NPT threads, which match many Graco fluid-handling components and hose-routing configurations.
Yes. It is commonly used in proportioners and industrial systems rated up to 3,000 PSI, depending on the specific installation.
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