Brief Guideline for Instrument Tubing and Fittings

The following points provide brief guideline in tubing and fitting design for instrument tubing and fittings.

The selection preferences may vary between projects.

Instrument Tubing and Fittings

  • Selection of hook up materials shall consider process fluid pressure and pressure rating to ensure good sealing and integrity.

  • Tubing thickness shall be selected based on application pressure rating. Consult with the manufacturer for pressure rating of each tubing thickness.

  • Double compression-type tubing fittings are preferred.

  • It is absolutely necessary to use a single manufacturer’s type components of tubing and fitting for the whole project.

  • Mixing different threaded fittings from different manufacturers is not allowed as it could leads to poor fitting sealing.

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