Waveguide Pipe Penetrations

Raymond EMC’s full line of waveguide pipe penetrations enable you to pass a variety of materials into or out of an RF shielded enclosure without compromising the effectiveness of the shielding.

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Multiple products

Manufactured of brass or steel, pipe penetrations can be custom ordered to meet your specific requirements. Available options include honeycomb inserts, insulated pipe penetrations, dielectric unions, and sprinkler penetrations.

Additional features

  • Manufactured in brass with NPT thread type.
  • Field locatable and can be installed in a bulkhead panel or modular shielded panel.
  • Applicable for the insertion of dielectric materials such as fibre optic cables or gases.
  • Satisfies fire suppression and hydraulic requirements.

Complete line of options

Clients work with our expert team to create custom solutions that can include:

  • Dielectric unions available to maintain isolation from ground should metal piping be utilized on the outside of the shield
  • Insulated pipe penetrations for installation where thermal differences are a concern
  • A honeycomb waveguide insert for high frequency in gaseous applications up to an attenuation cut off at 18 GHz

Custom sizes

Waveguide nominal size

Waveguide length

100 dB attenuation cut-off frequency

1/2”

4”

12.67 GHz

3/4”

4”

8.44 GHz

1”

4”

6.59 GHz

1–1/4”

4–1/2”

5.01 GHz

1–1/2”

6”

4.30 GHz

2”

8”

3.34 GHz

2–1/2”

10”

2.80 GHz

3”

12”

2.25 GHz

4”

16”

1.72 GHz

Note: As an industry rule, the length of a circular waveguide should be at least four times the diameter.

Two-year warranty

All Raymond EMC waveguide pipe penetrations come with a two-year limited warranty against defective materials and craftsmanship and to retain the specified RF shielding effectiveness.