Graco 15G331 Pipe Plug
The **Graco 15G331 Pipe Plug** is a durable OEM component designed to securely seal unused ports in fluid systems, preventing leaks and contamination.
- Thread Size: 1/4″ NPT
- Material: Heavy-duty metal construction
- Use: Seals unused pump or manifold ports
- Ensures: Leak-free and pressure-tight system
Graco 15G331 Pipe Plug
The **Graco 15G331 Pipe Plug** is a high-quality OEM sealing component designed for use in fluid handling and spray systems where secure closure of unused ports is required. Made to withstand demanding conditions, this plug ensures leak-proof performance and system integrity across a range of applications.
Key Features & Specifications
| Thread Size | 1/4″ NPT male thread for standard pump and manifold ports |
|---|---|
| Sealing Face Diameter | 0.320″ — precision-machined for reliable contact and minimal leakage |
| Length | Approximately 0.75″ overall |
| Material & Finish | Durable metal construction (OEM standard) for high pressure and repetitive use |
| Application | Used to plug unused ports or access points in fluid systems, maintaining pressure and preventing contamination |
Why Use This Pipe Plug?
In complex pump, manifold or spray gun systems where multiple ports or service access points exist, the 15G331 plug offers a trusted solution to seal off unused or temporary openings. By choosing the OEM part you ensure exact fit, correct materials and geometry — reducing the risk of leaks, contamination or premature wear. Properly sealed systems maintain efficiency, reduce maintenance and help ensure consistent performance.
Installation & Maintenance Tips
- Ensure system pressure is relieved before installing or removing the plug.
- Clean all surrounding surfaces and threads to remove old sealant, debris or corrosion.
- Apply a thin layer of recommended thread sealant or tape if required by your system specification.
- Hand-tighten the plug until the sealing face seats squarely, then apply correct torque — avoid over-tightening to prevent thread damage.
- During regular maintenance, check the plug for signs of thread wear, corrosion or leakage; replace immediately if any faults are found.
Frequently Asked Questions
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