The Bühler Sampling Pump P1.3 (ATEX and IECEx Zone 2 certified, compliant with FM C-US for Class I, Division 2) is essential for gas analysis in safety-critical operations within explosive areas of the chemical, petrochemical, or biochemical industries. Many analytical methods employed in these fields require extraction and specialized pretreatment of sample gases. For ATEX Zone 2 gases and environments, as well as Class I, Division 2, the Bühler Sampling Pump P1.3 offers a suitable solution. The sample gas pump is responsible for transporting the sample gas from the sampling point to the pretreatment system. At the core of this application-developed pump is a one-piece bellows made of PTFE. Combined with an equally one-piece pump head, this solution provides high resistance to highly corrosive gases. By rotating the pump head, gases containing condensate can be conveyed.