When your application does not require a smooth interior, this tubing is an economical choice.

This tubing comes cleaned and capped to prevent moisture and dirt from contaminating the inside.

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Also known as I-line fittings, these fittings have a male adapter that interlocks with a female adapter for more support than standard quick-clamp fittings.

Also known as KF, QF, and NW fittings, these fittings are for high-vacuum applications, such as vacuum coating and heat treating, leak testing, and analyzing gases.

Originally used on satellites, rocket propulsion systems, and even Mars rovers, these fittings will handle your most challenging industrial environments. They're designed to withstand high vibration and ultra-high vacuum without generating particles that could disrupt your operation.

An alternative to bolt-together fittings, these fittings handle larger tube OD sizes than quick-clamp fittings. Also known as ISO-K high-vacuum fittings, the clamps have claws that grab hold of fittings with flanged ends.

Create access points in ultra-high-vacuum lines or chambers by bolting two same-size flanges together with a copper gasket between them. The flanges’ sharp edges dig into the copper gasket and form an extremely tight seal, which means they handle higher vacuum pressures than other high-vacuum fittings with rubber gaskets.

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Typically used with thin-wall stainless steel unthreaded pipe fittings.

Typically used with thick-wall and high-pressure stainless steel unthreaded pipe fittings.

Use these heavy duty forged flanges for high-pressure applications.

Typically used with extreme-pressure stainless steel unthreaded pipe fittings.

Use these corrosion-resistant fittings in a low-pressure pipe line.

Use these heavy duty, corrosion-resistant fittings in high-pressure flow applications.

Also known as Schedule 40 fittings, these have thicker walls than our thin-wall aluminum unthreaded pipe fittings.

Typically used with thick-wall aluminum unthreaded pipe fittings.

Typically used with thin-wall aluminum unthreaded pipe fittings.

In addition to being lightweight, these aluminum fittings offer good corrosion resistance. Use them in low-pressure flow applications.

Typically used with medium-pressure iron and steel threaded pipe fittings. Also known as Schedule 80.

A galvanized finish gives these fittings better corrosion resistance than our plain steel high-pressure fittings. Also known as Pressure Class 3000 fittings.

The strongest steel fittings we offer, these can withstand extreme-pressure applications.

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Bolt two flanges of the same size together with a gasket to create an access point in a pipe line.

With thicker, stronger walls than our standard-wall butt-weld pipe fittings, these fittings stand up to your high strength applications.

Forged for extra strength, these heavy duty unthreaded flanges can withstand high-pressure applications.

For excellent strength in extreme-pressure applications, choose these heavy duty Pressure Class 1500 flanges.

Also known as Pressure Class 200 fittings.