Orifice Valves For Carbon Dioxide | McMaster-Carr

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How to 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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Flow-Control Orifices

Threaded Flow Control Orifices

Connect these orifices to threaded pipe, or insert them into threaded holes.

Flange-Mount Flow-Control Orifices

Also known as orifice plates, these mount between orifice flange unions.

Compression Flow-Control Orifices

Compression fittings bite down on the outside of hard metal tubing for a secure connection.

Press-In Flow-Control Orifices

Press-In Flow-Control Orifices

Press these orifices into machined holes in connectors, manifolds, and other custom parts.

Flow-Control Orifices for Chemicals

Flow-Control Orifices for Chemicals

Made of PVC, these orifices have excellent resistance to a wide range of corrosive chemicals.

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