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Gas pressure is also influenced by the number of gas molecules present in a given volume. This relationship is described by Avogadro's Law, which states that the pressure of a gas is directly proportional to the number of gas molecules present at constant volume and temperature. This means that increasing the number of gas molecules in a container will result in an increase in pressure.

- Testing Functionality Periodically test the valve to ensure that it opens and closes correctly at the designated pressure. This can involve applying pressure to verify performance.

4. High-Pressure Regulators Used for industrial applications, they handle much higher pressure levels and require greater durability and reliability.