Bulkhead Union

Need an dependable instrumentation fitting? Bulkhead Union on MetalMitra comes in imperial and metric sizes, ready for leak-tight instrument and hydraulic lines.

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

A bulkhead union passes tubing through a panel or bulkhead and is locked with a bulkhead nut.

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.

Available forms & variants

• 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.

Performance highlights

• Panel Mounting — For instrument panels and enclosures.
• Secure Fixing — Locked with a bulkhead nut.
• Leak-Free Seal — Twin-ferrule grip that stays sealed under vibration.
• No Hot Work — No welding, flaring or threading of the tube needed.

Bulkhead Union Material & Grades

Typical applications

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

Quality checks & certification

Every lot of Bulkhead Union sourced through MetalMitra can be inspected and documented to the governing standard and your purchase order.

• 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 buy through MetalMitra

• Checked sellers only — Every supplier profile is screened by MetalMitra before it goes live.
• Faster sourcing — Post one requirement and receive competitive offers without chasing calls.
• Paperwork sorted — MTC 3.1, test reports and TPI arranged as your project demands.
• Global logistics — Seaworthy packing and dispatch to project sites across the world.

Ready to buy?

Send your size, grade, quantity and delivery location for Bulkhead Union, and matching suppliers on MetalMitra will come back with offers.

Technical note: Figures shown are indicative. Final acceptance should be based on the applicable standard, approved drawings and the MTC supplied with the material.