What should be the first consideration when selecting a pressure regulator?

When selecting a pressure regulator, the first consideration should be the pipe size. The pipe size is crucial because it directly affects the flow capacity and pressure drop in the system. A correctly sized regulator ensures that it can adequately supply the necessary gas flow to meet the operational demands of the connected equipment without causing pressure fluctuations or inefficiencies. If the pipe size is not compatible with the specifications of the pressure regulator, it can lead to performance issues, safety hazards, and potential damage to the equipment.

Considering pipe size first helps to ensure that the regulator can handle the volume of gas required, which is essential for both safety and effectiveness in a commercial kitchen environment. The regulator must fit appropriately within the gas line to maintain the required pressure levels for proper operation of appliances, making this a critical factor in the selection process.