text.skipToContent text.skipToNavigation
metal hose ah series

Swagelok® Metal Hose (AH Series)

AH series all-metal hose reduces permeation in high-temperature, vacuum, or highly corrosion-resistant applications where permeation or absorption is undesirable.

Request More Information

AH series hose is constructed with an alloy C-276 annular convoluted core for additional corrosion resistance and a single braid outer layer 316L stainless steel for hose pressure containment. A convoluted core allows for flexibility and limits kinking.

A size range of 1/2 through 2 inch, working pressures from vacuum to 1110 psig (76.4 bar), and a variety of end connections welded in accordance with ASME Boiler and Pressure Vessel Code Section IX allow the AH series hose to meet the needs of a variety of systems. Alloy C-276 braid and end connections and custom assemblies are available with other options including hose covers, hose tags, and additional helium leak testing.


Materials Core: convoluted C-276
Reinforcement: 316L SS braid
End connections: 316 SS
Nominal Hose Sizes 1/2 through 2 in.
Working Pressures Vacuum to 1110 psig (76.4 bar)
Temperature Range –325 to 800°F (–200 to 426°C)
End Connections Swagelok tube fittings, Swagelok tube adapters, NPT fittings, VCR® metal gasket face seal fittings, female VCO® O-ring face seal fittings, SAE 37° (JIC) female swivel fittings, tube butt welds

Hose and Flexible Tubing Catalogs

Locate detailed product information, including materials of construction, pressure and temperature ratings, options, and accessories.

Swagelok hose management services engineer

Swagelok® Hose Advisory Services

Learn how to enhance your hose selection, installation, inspection, and maintenance procedures to improve hose life and performance, reducing costs in the process.

Read About Hose Management

Swagelok Resources Curated for You

Swagelok hose and flexible tubing
3 Steps to Hose Safety & Lower Plant Costs

Industrial hose safety is often deprioritized during regular plant maintenance. It is important hoses receive the attention they deserve—leaks and wear can put your facility at risk. Learn tips to avoid dangerous situations while lowering plant costs.

Industrial hose maintenance
How an Industrial Hose Maintenance Plan Could Save Your Plant Thousands

Knowing the proper time to replace your industrial hoses can save your plant thousands in maintenance costs. Learn how to evaluate your systems and develop a preventive maintenance plan to manage the health of your hoses.

industrial hose replacement material considerations
Industrial Hose Replacement: Core Tube Material Considerations

When selecting an industrial hose, the first place to start is the core tube—the hose’s innermost layer. Learn how to select the ideal hose for your application with information on core tube materials & wall construction from the experts at Swagelok.

Industrial hose reinforcement types
How to Select the Right Hose Reinforcement

Industrial hoses typically contain critical reinforcement layers that contribute to longevity and performance. Learn about different reinforcement layer types and which is best suited for different fluid system applications.

This process may take several minutes. Please be patient and remain on the page.