To maintain the temperature of liquids as cold as -325° F, this hose has vacuum insulation and a reflective barrier. This prevents heat transfer in the same way a thermos does, so the exterior of the hose won’t freeze or form condensation. Even when used with liquid argon, liquid carbon dioxide, liquid methane, and liquid nitrogen, this hose is safe to handle. It meets strict ASME design and testing standards for process piping systems.

This hose comes ready to use—you don’t need to create the vacuum yourself. To install, thread the fittings on this hose onto a freezer or other equipment in your plant or laboratory. Both ends swivel until tightened, so you don’t need to rotate the entire hose during installation. With ribbed insulation inside and spiral reinforcement outside, this hose won’t crack or leak when you bend and flex it around obstacles. The cover is 304 stainless steel, which stands up to wear and tear and won’t corrode from mild chemicals and water.

For technical drawings and 3-D models, click on a part number.

Sealed vacuum insulation and a reflective barrier inside this hose maintains the temperature of liquids as cold as -325° F. Similar to a thermos, this prevents heat transfer, so the exterior of the hose won’t freeze or form condensation. This hose is safe to handle, even when used with liquid nitrogen, liquid argon, liquid carbon dioxide, and liquid methane. It meets strict ASME design and testing standards for process piping systems.

The tube stems on each end slide into tube fittings on a freezer or other equipment in your plant or laboratory. With ribbed insulation inside and spiral reinforcement outside, this hose won’t crack or leak when you bend and flex it around obstacles. The cover is 304 stainless steel, which stands up to wear and tear and won’t corrode from mild chemicals and water.

For technical drawings and 3-D models, click on a part number.

Use these fittings to connect welding hose to pressure regulators and torches. They are also known as CGA (Compressed Gas Association) fittings. Fittings are brass for good corrosion resistance.

Note: Fittings have a CGA number that corresponds to a specific type of gas. Choose a fitting with the same CGA number as your tank and other system components.

For technical drawings and 3-D models, click on a part number.

Also known as CGA (Compressed Gas Association) nuts, these are designed for low-pressure welding applications downstream of your tank and pressure regulator. Slide a barbed hose adapter for compressed gas into a male or female nut to make a threaded connection to torches or pressure regulators.

Nuts with left-hand threads are identified with a notch.

Brass nuts have good corrosion resistance. Note: Nuts have a CGA number that corresponds to a specific type of gas. Choose a nut with the same CGA number as your tank and other system components.

For technical drawings and 3-D models, click on a part number.

Commonly used in low-pressure welding applications, these fittings connect downstream of your tank and pressure regulator. Slide the barbed end into rubber hose and secure with a crimp-on hose ferrule. Fittings are brass for good corrosion resistance.

Adapters let you adapt to a threaded end so you can connect welding hose to torches or pressure regulators. They consist of a barbed shaft with a rounded end that sits inside a threaded CGA nut (sold separately) so you can make a threaded hose connection.

For technical drawings and 3-D models, click on a part number.

Slide a high-pressure hose nipple for compressed gas into one of these nuts to connect a pipe to the inlet of a pressure regulator. They are also known as CGA (Compressed Gas Association) nuts and inlet nuts.

Brass nuts have good corrosion resistance and are softer than 316 stainless steel nuts, so they're easier to thread together. Aluminum-plated brass nuts have better corrosion and wear resistance than unplated brass. Chrome-plated brass nuts have comparable corrosion and wear resistance to aluminum-plated brass nuts, and have a bright, shiny appearance. 316 stainless steel nuts have excellent corrosion resistance.

Nuts with a plastic grip can be tightened by hand instead of with a wrench.

Nuts with left-hand threads are identified with a notch.

Note: Nuts have a CGA, BS, or DIN number that corresponds to a specific type of gas. Choose a nut with the same number as your tank and other system components.

For technical drawings and 3-D models, click on a part number.

Commonly used in high-pressure welding applications, these nipples connect your tank to the inlet of a pressure regulator. One side has a threaded pipe end and the other side has a rounded end that sits inside a threaded nut (sold separately) so you can make a threaded connection.

Brass nipples have good corrosion resistance and are softer than 316 stainless steel nipples, so they're easier to thread together. Chrome-plated brass nipples have better corrosion and wear resistance than unplated brass nipples and have a bright, shiny appearance. 316 stainless steel nipples have excellent corrosion resistance.

Nipples with filter help keep the line clean by preventing small particles and other impurities from entering your pressure regulator.

Nipples that tighten by hand should be paired with a nut with a plastic grip.

For technical drawings and 3-D models, click on a part number.