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What You Need to Know About CV
... not every manufacturer expresses the flow capacity of their valves as CV based on the ANSI/NFPA specification. For example, below (Fig. 2) ... sizes, but there is not an industry standard on testing valves to achieve an effective orifice. Some flow calculations use orifice ...
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Stability vs. Fill-Time in Proportional Control Applications
... must have the correct PID settings, and the internal valves should employ the optimal orifice size to prevent the closed-loop ... related to a small volume in conjunction with over-sized valves allowing too much flow. First, it may be possible to tune out the ...
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History: 1970s
... would turn on with a very small amount of power. Typical valves of the time took 6 to 7 watts to operate, but Leonard wanted one that ... to further complement the large variety of brass control valves, these three particular product lines took Clippard into new areas and ...
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Practical PID Process Dynamics with Proportional Pressure Controllers
... process loops incorporate multiple sensors and various valves, cylinders, or other devices requiring actuation. Typical PID loop ... pressure regulators (EPRs) consisting of fill and exhaust valves, an onboard transducer, and PID controls to adjust response performance. ...
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How Stepper Motors Provide Precision Control
... of how they're used with different types of proportional valves to provide precise control. What is a Stepper Motor? ... are tightened. Stepper-Controlled Clippard Proportional Valves Clippard's SCPV Series uses a stepper motor to control the ...
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Pneumatic Glossary of Terms
... Used in indirect or semi-direct acting solenoid valves, a bleed orifice is installed on the diaphragm enabling the valve to use ... having linear motion used in the input stages of servo valves. Filter-Regulator-Lubricator (FRL) . FRLs condition and ...
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Recreational Paintball Gun Application
... kits and aftermarket add-ons. Miniature fittings and valves are all used in this market place. ...
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Clippard Full-Line Product Catalog
... products including electronic, control and isolation valves, cylinders, actuators, precision flow controls, manifolds, FRLs, ...
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Case Study: Liquid Level Sensing
... 2-way poppet valve with pilot sensor, three cartridge valves, two pressure gages, and a stainless steel micron filter. In addition, a ...
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Chemical Mechanical Planarization (CMP)
... is ideal for this process because the dual-proportional valves can maintain exact pressure levels by reacting to subtle changes in ...
