In laboratory gas systems, unstable gas pressure is a major threat to experimental accuracy—fluctuations of just 0.1MPa can lead to inconsistent reaction rates or inaccurate detection results. Stainless steel gas regulators address this challenge by providing precise and stable pressure control for various gas sources. Unlike brass regulators that may corrode when in contact with reactive gases (such as chlorine or hydrogen sulfide), stainless steel regulators (typically made of 316L stainless steel) offer excellent corrosion resistance, avoiding metal ion contamination of gases. Their internal diaphragm a reinforced PTFE material that can withstand temperatures from -20℃ to 120℃, maintaining flexibility and sealing performance even in extreme laboratory environments. The precision pressure-adjusting mechanism allows for pressure control accuracy within ±0.005MPa, making them ideal for experiments requiring strict pressure stability, such as gas chromatography and catalytic reactions.
When using stainless steel gas regulators, it is essential to match the regulator’s inlet pressure range with the gas cylinder’s output pressure—for example, a regulator designed for 0-20MPa should not be used with a cylinder exceeding 20MPa. Regular calibration (recommended every 6 months) is also necessary to ensure pressure accuracy. In a university’s analytical chemistry laboratory, switching to stainless steel gas regulators for their GC-MS system reduced pressure fluctuations from ±0.02MPa to ±0.003MPa, significantly improving the reproducibility of test results.