Morris Couplings | McMaster-Carr

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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.

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Pipe, Tubing, Hose, and Fittings

Low-Pressure Clamp-On Connectors for Air

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

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Use in medium-pressure applications up to 230 psi.

Low-Pressure Pipe Repair Clamps

Low-Pressure Pipe Repair Clamps

Use in low-pressure applications up to 150 psi.

Medium-Pressure Pipe Repair Clamps

Medium-Pressure Pipe Repair Clamps

Use in medium-pressure applications up to 600 psi.

High-Pressure Pipe Repair Clamps

High-Pressure Pipe Repair Clamps

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

Pipe Joint Repair Clamps

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

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 Clamps for Copper Tubing

Repair leaks in copper tubing.

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)