Morris Couplings | McMaster-Carr

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Pipe Size

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Tube OD

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Connects To

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Nut Finish

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REACH

Maximum Vacuum @ Temperature

15 in. Hg @ 72° F

28 in. Hg @ 72° F

Not Rated

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DFARS Specialty Metals

Exempt

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Compliant with Exemptions

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300 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.

Low-Pressure Clamp-On Connectors for Air

These connectors are for use in low-pressure air and vacuum conveying systems, as well as in gravity-flow systems.

Medium-Pressure Clamp-On Connectors

Use in medium-pressure applications up to 230 psi.

Low-Pressure Pipe Repair Clamps

Use in low-pressure applications up to 150 psi.

Medium-Pressure Pipe Repair Clamps

Use in medium-pressure applications up to 600 psi.

High-Pressure Pipe Repair Clamps

Use in high-pressure applications up to 1,000 psi.

Pipe Joint Repair Clamps

Stop leaks where a fitting and a pipe join without turning off your line.

Low-Pressure Easy-Install Pipe Repair Clamps

Snap these clamps around leaking pipe with only your hands. No tools required.

Repair Clamps for Steel Tubing

Repair pinholes, punctures, and cracks in low-pressure systems with these clamps. Insert tubing into the clamp and tighten the bolts to create a secure seal.

Clamps for Vacuum Fittings for Steel Tubing

Repair Clamps for Copper Tubing

Repair leaks in copper tubing.

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How to Identify and Measure Fittings

Pipe, Tubing, Hose, and Fittings

Low-Pressure Clamp-On Connectors for Air

Medium-Pressure Clamp-On Connectors

Low-Pressure Pipe Repair Clamps

Medium-Pressure Pipe Repair Clamps

High-Pressure Pipe Repair Clamps

Pipe Joint Repair Clamps

Low-Pressure Easy-Install Pipe Repair Clamps

Repair Clamps for Steel Tubing

Clamps for Vacuum Fittings for Steel Tubing

Repair Clamps for Copper Tubing