| 21. | When the divers attempted to open the air control valve, it would not move.
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| 22. | Second, check the one-handle control valve and the tub spigot.
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| 23. | Both of these well types use a down-hole control valve.
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| 24. | A typical representative of the valves to be automated is a plug-type control valve.
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| 25. | In 1949, Raphael Valves Industries became the first manufacturer of control valves in Israel.
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| 26. | Control valves can also work with hydraulic actuators ( also known as hydraulic pilots ).
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| 27. | The body is fitted with a steam valve, a water valve, an oil control valve.
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| 28. | The cylinder was equipped with a control valve and was connected to the breathing bag.
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| 29. | Modern control valves may regulate pressure or automation systems.
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| 30. | The most common final control element in the process control industries is the control valve.
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