High-Pressure Tube Unions

Reliable High-Pressure Connections for Critical Gas Systems

In-Gas Solutions supplies high-pressure tube unions designed for demanding compressed gas applications where leak-tight performance, system integrity, and long-term reliability are essential. Utilizing proven metal-to-metal sealing technology, these fittings provide vacuum-tight connections capable of withstanding pressures up to 1,000 bar (14,500 PSI).

To support customers across North America, In-Gas Solutions maintains inventory of select tube union configurations, helping reduce lead times and improve project schedules. Available options include weld-on and threaded fittings, straight unions, angle fittings, tees, and non-return valves for a wide range of gas handling and distribution systems.

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Key Benefits

Vacuum-Tight Metal-to-Metal Sealing

Engineered using a proven metal-to-metal sealing design that minimizes leak paths and provides dependable performance in critical gas applications.

High-Pressure Capability

Rated for vacuum service and pressures up to 1,000 bar (14,500 PSI), making these fittings suitable for demanding industrial gas, hydrogen, and process systems.

Built for Extreme Conditions

Manufactured from specialized stainless steel materials and designed to operate in temperatures ranging from -270°C to +500°C.

Multiple Configuration Options

Available in weld-on and threaded designs, including straight unions, angle fittings, tees, and non-return valves to accommodate a wide range of system requirements.

Broad Gas Compatibility

Suitable for compressed gases, hydrogen, inert gases, specialty gases, hydraulic applications, and other industrial process systems when paired with the appropriate material grade.

North American Inventory

In-Gas Solutions maintains inventory of select high-pressure tube union configurations, helping customers reduce lead times and keep projects moving.

Typical Applications

Hydrogen Infrastructure

High-pressure tube unions are commonly used in hydrogen production, storage, compression, and distribution systems where leak-tight performance and pressure resistance are critical.

Industrial Gas Distribution

Create secure connections within compressed gas distribution networks for gases such as nitrogen, argon, helium, carbon dioxide, and specialty gas mixtures.

Power Generation

Support gas handling systems used in power plants, substations, and other energy facilities where system reliability is essential.

Chemical & Petrochemical Processing

Provide dependable connections for process gas systems operating in demanding industrial environments.

Semiconductor & Research Facilities

Ideal for laboratory, testing, and semiconductor applications that require precise gas control and contamination-free connections.

Specialty Gas & Noble Gas Systems

Suitable for helium, xenon, krypton, and other specialty gas applications requiring high-purity, leak-tight connections.