<sod>A '''pressure regulator''' is a [[valve]] that automatically cuts off the flow of a liquid or gas at a certain pressure. Regulators are used to allow high-pressure fluid supply lines or tanks to be reduced to safe and usable pressures for various applications.<eod>
<sod>A '''pressure regulator''' is a control [[valve]] that reduces the input pressure of a fluid to a desired value at its output. <eod>