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Key Features of Our Stainless Steel NPT Plugs
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✅ Material: SS316 or SS304 (custom materials on request)
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✅ Thread Type: Male NPT – ANSI/ASME B1.20.1 standard
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✅ Sizes: 1/8”, 1/4”, 3/8”, 1/2”, 3/4”, 1”, 1-1/2”, and 2”
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✅ Pressure Rating: Up to 6000 PSI (depends on size and media)
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✅ Finish: Smooth machined surface, burr-free
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✅ Temperature Resistance: -40°C to +200°C
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✅ Corrosion Resistance: Excellent performance in aggressive media
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NPT Plug
NPT Plug | Tube Fitting Instrumentation Plug | Threaded End Cap for Leak-Proof Sealing
At BSC Engineering Solution, we manufacture and export premium-quality NPT Plugs designed for sealing the open ends of piping systems with National Pipe Taper (NPT) threads. Engineered from SS316 and SS304 stainless steel, our threaded plugs are corrosion-resistant, pressure-rated, and ideal for use in high-performance industrial systems.
This threaded sealing plug is built for instrumentation and process control systems where secure, leak-free performance is essential. Designed with tapered threads, it easily seals unused ports in piping layouts and resists corrosion under high pressure. Suitable for use in chemical, oil & gas, and power plant operations.
Key Features:
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Accurate NPT male threading for a tight fit
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Rust & corrosion-resistant stainless steel body
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Used in oil & gas, chemical, power plants, and instrumentation systems
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Easy to install and remove without deformation
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Available in various sizes (1/8″, 1/4″, 3/8″, 1/2″, etc.)
Applications of NPT Plugs in Industrial Systems
Our NPT Plugs are used in a wide range of industries that demand high integrity and leak-free sealing:
🔧 Oil & Gas Industry
Used to plug off pressure ports in instrumentation, block manifold ports, and isolate sections in process lines.
🔧 Chemical & Petrochemical Plants
Blocks chemical lines during shutdowns or cleaning; prevents contamination of pipelines.
🔧 Hydraulic & Pneumatic Equipment
Seals off test ports, access points, and unused system ends in hydraulic power units and compressors.
🔧 Marine & Offshore Systems
Used to plug off saltwater-exposed piping systems due to excellent corrosion resistance.
🔧 Water & Wastewater Treatment
Blocks off sections of stainless steel process piping in corrosive water treatment environments.
This threaded sealing plug is built for instrumentation and process control systems where secure, leak-free performance is essential. Designed with tapered threads, it easily seals unused ports in piping layouts and resists corrosion under high pressure. Suitable for use in chemical, oil & gas, and power plant operations.
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Tapered thread for tight and secure sealing
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Made from corrosion-resistant stainless steel
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Quick to install and remove without deformation
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Compatible with standard tube fitting systems
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Available in multiple sizes (1/8” to 1/2” and more)
Built for durability and reliability, this solution ensures long-lasting performance in demanding industrial environments.

