Barbed Vacuum Tube Connectors

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System of Measurement

Tube ID

Material

Shape

Fitting Type

Connects To

Thread Type

UN/UNF (SAE Straight)

Pipe Size

Number of Barbs

For Use With

Gender

Thread Size

Hose ID

Tube Hardness Rating

Tube Material

Tube OD

Length

Maximum Pressure @ Temperature

Flow Control Type

Maximum Temperature

REACH

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

Exempt

Maximum Vacuum @ Temperature

1× 10^-7 Torr @ 72° F

Not Rated

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831 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Push-to-Connect Tube Fittings for Air

Nickel-Plated Brass Low-Pressure
Barbed Tube Fittings for Air and Water

The nickel plating on these fittings provides better corrosion resistance than unplated brass fittings.

Choose-a-Color Aluminum Low-Pressure
Barbed Tube Fittings for Air and Water

Color-code fittings for easy identification. These aluminum fittings have good corrosion resistance, but are lighter in weight than brass.

Aluminum Low-Pressure Barbed
Tube Fittings for Air and Water

Aluminum fittings have good corrosion resistance, but are lighter in weight than brass.

Brass Low-Pressure Barbed
Tube Fittings for Air and Water

Fittings have good corrosion resistance.

Stainless Steel High-Pressure Barbed
Tube Fittings for Air and Water

Made of stainless steel, these fittings have better corrosion resistance than brass fittings.

Screw-On Nut Barbed Tube Fittings for Air

You don't need a clamp to secure these fittings to tubing. They have a nut on the barbed end that tightens to hold the tubing in place.

Plastic Quick-Disconnect Tube
Couplings for Air and Water

Lighter in weight than metal quick-disconnect couplings, these couplings are plastic.

High-Pressure Quick-Disconnect
Tube Couplings for Air

Couplings can handle pressures up to 250 psi.

Multiline Quick-Disconnect Tube Couplings for Air

Don’t get your lines crossed—use one of these couplings to quickly connect or disconnect multiple tubes at once.

Plastic Quick-Turn Tube Couplings
with Shut-Off for Air and Water

A built-in shut-off valve stops the flow when the coupling is separated, so there’s no need to worry about air or water spilling from your line. Couplings are plastic, which is lighter in weight than metal couplings.

Brass Compression Tube Fittings for Air and Water

A single sleeve (ferrule) compresses the tubing as you tighten the nut on these fittings, creating a strong seal. They are brass for good corrosion resistance.

Plastic Push-to-Connect Tube Fittings for Chemicals

Also known as instant fittings, these chemical-resistant plastic fittings connect to tubing with a push. An internal gripping ring holds the tubing tight.

Quick-Disconnect Couplings for Plastic
and Rubber Tubing—Chemicals

Quick-disconnect couplings consist of a plug and a socket that join with a latch so you can easily connect and disconnect your line. Use in applications up to 120 psi.

Quick-Disconnect Tube
Couplings for Food and Beverage

These quick-disconnect couplings meet NSF/ANSI 169 for food equipment.

Quick-Disconnect Tube Couplings for Dairy

These quick-disconnect couplings mate with a sanitary stainless steel quick-clamp fitting for use in dairy lines.

Push-to-Connect Tube
Fittings for Hot Drinking Water

Fittings can withstand temperatures up to 200° F.

Tube Fittings for Metal Tubing

Quick-Clamp High-Vacuum
Fittings for Stainless Steel Tubing

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.

Yor-Lok Fittings for Stainless Steel Tubing

Use these fittings at pressures up to 9,700 psi. Also known as instrumentation fittings, they are made to tight tolerances for use in high-precision applications. They are compatible with Swagelok®, Let-Lok, and Parker A-Lok fittings.

Quick-Clamp High-Vacuum
Fittings for Aluminum Tubing

For use in high-vacuum systems, these fittings use a metal reinforced O-ring to create an airtight seal. Also known as KF, QF, and NW fittings, they’re used for high-vacuum applications such as vacuum coating and heat treating, leak testing, and analyzing gases.

Metal Barbed Hose Fittings for Air and Water

Metal hose fittings have better durability than plastic barbed hose fittings.