Tube Cap & Plug

Source Tube Cap & Plug from verified mills, manufacturers and stockists on MetalMitra. Options span cap and plug, and every order can ship with an EN 10204 3.1 certificate.

Through MetalMitra you can source Tube Cap & Plug in stainless steel, carbon steel, alloy steel, duplex, nickel alloy and other grades, across a broad range of sizes and pressure ratings.

Tube caps close the end of a tube and plugs close an open compression fitting port, used for testing, blanking and future connections.

Precision tube fittings are compression fittings that use front and back ferrules to grip the tube and form a leak-tight seal without welding, flaring or threading the tube. They are used on instrumentation, hydraulic, pneumatic, sampling and analyser lines.

What you can source

• Connectors — Male and female connectors, port connectors.
• Unions — Straight, reducing and bulkhead unions.
• Elbows, Tees & Crosses — Union and male / female branch fittings.
• Caps, Plugs & Ferrules — End closures and replacement ferrule sets.

Key properties

• Blanking — Closes tube ends and open ports.
• Pressure Testing — Used during system testing.
• Leak-Free Seal — Twin-ferrule grip that stays sealed under vibration.
• No Hot Work — No welding, flaring or threading of the tube needed.

Tube Cap & Plug Material & Grades

Applications & industries

• Instrumentation Lines
• Oil & Gas
• Petrochemical
• Chemical Processing
• Power Plants
• Hydraulic Systems
• Pneumatic Systems
• Analyser & Sampling Systems
• Offshore Platforms
• Pharmaceutical
• Semiconductor & Gas Lines
• Process Skids

Testing & documentation

Inspection and documentation for Tube Cap & Plug follow the applicable standard plus any extra requirements in your PO.

• Dimensional & thread gauge inspection
• Ferrule hardness and fit-up check
• Visual inspection
• Positive Material Identification (PMI)
• Pressure / leak testing as applicable
• EN 10204 3.1 Mill Test Certificate
• Heat-code traceability on every body

Why source on MetalMitra

• Verified suppliers — Mills, manufacturers and stockists are reviewed by the MetalMitra team before they list.
• One RFQ, several quotes — Share size, grade and quantity once and compare offers side by side.
• Full traceability — Heat numbers, EN 10204 3.1 MTCs and third-party inspection on request.
• Delivered worldwide — Export-worthy packing and shipping to India, the Middle East, Africa, Europe and the Americas.

Request pricing

Post an RFQ for Tube Cap & Plug with your drawing or specification and receive quotes from verified suppliers.

Technical note: Values on this page are for reference. Always confirm against the governing standard, your purchase specification and the mill test certificate.