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2. Surge control - Wikipedia

   en.wikipedia.org/wiki/Surge_control

   A highly accurate and reliable approach to controlling the nitrogen pressure on a gas-loaded surge relief valve is to use an electronic control system to add and vent nitrogen pressure from the gas-loaded surge relief valve. This technique assures the required set point accuracy and repeatability needed in this critical application.

3. Gas bubbler - Wikipedia

   en.wikipedia.org/wiki/Gas_bubbler

   A gas bubbler acts as a one-way valve—gases (hot air, evolved gases, solvent vapors) from the inlet will bubble through the fluid before being vented to the atmosphere. If there were an underpressure in the reaction vessel (such as when heat is removed, and the gases within contract), some fluid is sucked into a sump to equalize the pressure ...

4. Schlenk line - Wikipedia

   en.wikipedia.org/wiki/Schlenk_line

   The inert-gas line is vented through an oil bubbler, while solvent vapors and gaseous reaction products are prevented from contaminating the vacuum pump by a liquid-nitrogen or dry-ice/acetone cold trap. Special stopcocks or Teflon taps allow vacuum or inert gas to be selected without the need for placing the sample on a separate line. [3]

5. Tank blanketing - Wikipedia

   en.wikipedia.org/wiki/Tank_blanketing

   Since most blanketing gas sources will provide gas at a much higher than desired pressure, a blanketing system will also use a pressure reducing valve to decrease the inlet pressure to the tank. Although it varies from application to application, blanketing systems usually operate at a slightly higher than atmospheric pressure (a few inches of ...

6. Pressure regulator - Wikipedia

   en.wikipedia.org/wiki/Pressure_regulator

   The inlet pressure gauge will indicate this pressure. The gas then passes through the normally open pressure control valve orifice and the downstream pressure rises until the valve actuating diaphragm is deflected sufficiently to close the valve, preventing any more gas from entering the low pressure side until the pressure drops again.

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8. Tracer-gas leak testing - Wikipedia

   en.wikipedia.org/wiki/Tracer-gas_leak_testing

   A tracer-gas leak testing method is a nondestructive testing method that detects gas leaks. A variety of methods with different sensitivities exist. Tracer-gas leak testing is used in the petrochemical industry, the automotive industry, the construction industry [1] and in the manufacture of semiconductors, among other uses.

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