Although either devices play a vital role in controlling fluids , them perform distinctly separate functions. Shutoff valves are largely used for totally stopping or somewhat opening the flow of a liquid , acting as a straightforward start/stop device . Unlike, gas measurement devices are made to reliably quantify the volume of gas that passes the

When controlling the flow of methane, several common systems are rotary valves and gas meters. While both play a critical role in a distribution network, they undertake different functions. A ball valve is essentially a straightforward on-off device used to interrupt the methane delivery; it never measure the amount moving through. Conversely, a ga