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.

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.)