2.16" OD Flanges | McMaster-Carr

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High-Vacuum Flange Size

Fitting Connection

Fitting Type

Shape

System of Measurement

Tube OD

Material

Connects To

High-Vacuum Connection Type

Pipe Size

Tube Material

Length

Gender

Specifications Met

For Use With

Maximum Vacuum @ Temperature

1× 10^-9 Torr @ 72° F

1× 10^-8 Torr @ 72° F

1× 10^-7 Torr @ 72° F

Thread Type

NPT

Hose ID

1 1/2"

1 5/8"

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

REACH

RoHS

Maximum Temperature

Minimum Temperature

Relative Vacuum Rating

High

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107 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.

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.

Clamps for Quick-Clamp High-Vacuum Fittings

Connect quick-clamp fittings in high-vacuum applications.

Quick-Connect High-Vacuum
Fittings for Stainless Steel Tubing

Twist these fittings onto high-vacuum tubing to quickly make sealed, high-vacuum connections without the need for clamping, welding, or tools.

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.

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How to Identify and Measure Fittings

Tube Fittings for Metal Tubing

Quick-Clamp High-Vacuum
Fittings for Stainless Steel Tubing

Clamps for Quick-Clamp High-Vacuum Fittings

Quick-Connect High-Vacuum
Fittings for Stainless Steel Tubing

Quick-Clamp High-Vacuum
Fittings for Aluminum Tubing

How to Identify and Measure Fittings

Tube Fittings for Metal Tubing

Quick-Clamp High-VacuumFittings for Stainless Steel Tubing

Clamps for Quick-Clamp High-Vacuum Fittings

Quick-Connect High-VacuumFittings for Stainless Steel Tubing

Quick-Clamp High-VacuumFittings for Aluminum Tubing

Quick-Clamp High-Vacuum
Fittings for Stainless Steel Tubing

Quick-Connect High-Vacuum
Fittings for Stainless Steel Tubing

Quick-Clamp High-Vacuum
Fittings for Aluminum Tubing