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Using Multi-Channel Gradient Valves to Mix Corrosive Media
... requiring extremely low leak rates and less internal volume. In these situations, gradient valves may provide a more optimal ... that provides exceptionally long life and minimal dead volume. Unlike other isolation valves, all wetted areas of the Clippard NIV ...
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Pneumatic Glossary of Terms
... pressure of a fixed mass of gas varies inversely as the volume, provided the temperature remains constant. Breakout . Force ... reduced to the vapor pressure. Charles’ Law. The volume of a fixed mass of gas varies directly with absolute temperature, ...
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Stability vs. Fill-Time in Proportional Control Applications
... can affect fill-time, such as temperature, downstream volume, line restrictions, inlet pressure, and PID settings. Each of these ... applications, it is typical for the downstream volume to be extremely small, sometimes less than 1 in3. With a limited amount of volume, the proportional controller must have the correct PID settings, and the ...
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An Overview of Leak Detection Testing
... by how well the valve holds pressure in an otherwise closed volume. The tester pressurizes the volume with a gas, closes the volume, allows the pressure to stabilize, and ...
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Charles's Law
... Charles's law states: If the pressure is constant, the volume of a mass of gas is proportional to the absolute temperature. The ... Where V1 is the volume of a mass of gas at temperature T1 kelvins and V2 is its volume after ...
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Boyle's Law
... A. Boyle in 1662, states that at a fixed temperature, the volume of gas is inversely proportional to the pressure exerted by the gas. In ... to say Boyle's law is the relationship between pressure and volume. Mathematically, Boyle’s law can be written as pV=k, where p is the ...
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Laboratory Automation for Pesticide Residue Analysis
... centrifuges the sample and validates the sample's extract volume. If clean-up is desired, the AutoMate-Q40 will then pipette the sample ... centrifuge the clean-up vial, validate the clean-up extract volume, and pipette the clean-up volume into a final extract volume. Finally, ...
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How a Basic Leak Decay Tester Works
... A basic leak decay tester takes pressure, applies that to a volume, isolates that, and watches for a change over time. The data that is ... and a 2-way valve, in series can isolate the pressure in a volume. This simple two-valve circuit, when used in conjunction with a pressure ...
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Vacuum Control (Inline, Low Flow)
... schematic shows Cordis controlling vacuum in a static volume. Various flow rates can be achieved based on which orifice is installed ... and/or processes that do not require quick changes in volume. Related Content White Paper: ...
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Digital vs. Analog Control in Proportional Applications
... employ an inlet valve to increase pressure to the regulated volume, another valve to exhaust pressure, a sensor to measure pressure, and a ... takes for the valves to respond to the controller or for the volume to achieve the desired pressure. So practically speaking, response time ...
