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1/2" NPT High Pressure Hex Blind Plug – Oil & Gas Flowline Fitting
1/2" NPT High Pressure Hex Blind Plug – Oil & Gas Flowline Fitting
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The 1/2" NPT High Pressure Hex Blind Plug is a critical pipe fitting engineered to securely seal and terminate unused ports in high-pressure oil and gas manifolds, valves, and fluid handling systems. Designed to provide a reliable, leak-proof barrier, this blind plug safely isolates internal line pressure and prevents the escape of hazardous fluids or gases during drilling, completion, and production operations.
Manufactured from high-strength forged alloy steel or stainless steel, this heavy-duty plug is built to withstand the intense mechanical shock, vibration, and thermal cycling inherent in upstream environments. The hex-head design allows for maximum torque application using standard field wrenches, ensuring deep thread engagement and a blowout-proof seal. The precision-machined 1/2" NPT male threads guarantee a secure fit into standardized female ports.
Engineered for field durability and absolute safety, the 1/2" NPT Blind Plug provides a robust solution for capping off gauge ports, chemical injection lines, and manifold junctions, allowing for flexible and safe system configurations.
Features & Benefits
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Secure Port Sealing: Safely and effectively terminates unused 1/2" female NPT connections to isolate line pressure.
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Hex-Head Design: Provides a secure gripping surface for rapid installation, tightening, and removal with standard tools.
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High-Strength Construction: Built from premium forged materials to resist abrasive fluids, mechanical impact, and pressure surges.
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Precision NPT Threads: Industry-standard male threading ensures a reliable, leak-tight mechanical seal.
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Corrosion Resistant: Engineered to endure harsh field environments, including exposure to salt spray, drilling mud, and hydrocarbons.
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Versatile Application: Suitable for standard oilfield service, including high-pressure hydraulic, water, oil, and gas systems.
Specifications & Technical Details
| Category | Specification |
| Component Type | Blind Plug / Pipe Plug |
| Size | 1/2" |
| Thread Type | NPT Male (National Pipe Thread) |
| Head Style | Hexagonal (Hex Head) |
| Material | High-Strength Forged Carbon Steel / Stainless Steel |
| Pressure Rating | High Pressure (Suitable for 10K+ PSI systems depending on material) |
| Service Type | Standard Oilfield Service (Oil, Gas, Hydraulic) |
| Typical Applications | Manifolds, wellheads, pump fluid ends, gauge ports |
| Testing & Compliance | Dimensional and material verification to industry standards |
Applications
This 1/2" blind plug is essential for capping off and sealing open ports in high-pressure operations. Typical applications include sealing unused instrument and gauge ports, capping production manifolds, isolating sections of hydraulic power units (HPUs), and securing mud pump fluid ends during maintenance or reconfiguration.
Quality Assurance
Each blind plug is manufactured under strict quality management systems and undergoes rigorous dimensional inspection and material verification to ensure safe, dependable, and leak-free performance in critical pressure-containing assemblies.
Request a Quote
📞 +1 405 666 5011
📧 seo@blazess.com
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