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2025

What Makes a Two-Stage Regulator Ideal for Laboratory Applications?

Scientist in a white lab coat putting vial with a sample into autosampler of HPLC system. High performance liquid chromatography at chemical laboratory.

06 August 2025

In laboratory environments, precision is everything—especially when it comes to lab gas control. From chromatography to spectroscopy, even slight pressure fluctuations can affect test results and data reliability. That’s where a two-stage regulator offers a clear advantage.

Unlike single-stage regulators, a two-stage design reduces pressure in two steps. This ensures greater pressure stability at the outlet, even as the gas cylinder pressure drops during use. The result? A consistent, repeatable flow—essential for sensitive instrumentation and critical lab experiments.

Two-stage regulators also minimise droop and help maintain accuracy over longer durations without adjustment. This is particularly valuable in unattended or long-running processes, where manual intervention is not practical.

At Pressure Tech, our two-stage regulators are engineered specifically for laboratory conditions, low supply pressure effect, low internal volume, and Accurate pressure control. Materials like 316 stainless steel bodies, Inconel x750 diaphragms, and PCTFE or PTFE seats ensure compatibility with a wide range of gases.

Whether you're working in research, pharmaceuticals, or academic labs, choosing a reliable pressure regulator can significantly impact accuracy, safety, and productivity.

For labs requiring uncompromising performance, a two-stage regulator is the trusted choice for stable, controlled gas delivery.

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