---
title: "Back-Pressure Regulator Set-Up: Tips for Sampling System Engineers"
description: Common sampling system design mistakes include placing a pressure-reducing regulator in series with a back-pressure regulator—with no flow resistance between the two devices. Here’s the best way to design and construct a sampling system using a back-pressure regulator.
---

[Fluid Systems Engineering & Management Blog | Swagelok NorCal ](https://northerncal.swagelok.com/blog)

# [Back-Pressure Regulator Set-Up: Tips for Sampling System Engineers](https://northerncal.swagelok.com/blog/back-pressure-regulator-set-up-tips-for-sampling-system-engineers)

 Written by [Jeff Hopkins](https://northerncal.swagelok.com/blog/author/jeff-hopkins) | 7/18/19 4:00 PM

Common sampling system design mistakes include placing a pressure-reducing regulator in series with a back-pressure regulator—with no flow resistance between the two devices. Here’s **the best way to design and construct a sampling system** using a back-pressure regulator.

[Read the full blog post on *Swagelok Reference Point *→](https://www.swagelok.com/en/blog/back-pressure-regulator-set-up-sampling-system-engineers?_ga=2.7559733.681387074.1562878142-1882586753.1536559237)

[View full post](https://northerncal.swagelok.com/blog/back-pressure-regulator-set-up-tips-for-sampling-system-engineers)

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