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Shafer RV-Series Rotary Vane Hydraulic Valve Actuator Specifically designed for pipeline applications and is typically powered by natural gas using gas-over-oil technology.
Environmental compliance standards have tightened significantly with the introduction of the Quad-O regulations...
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This video discusses in detail HP, IP and LP turbine bypass systems and their operational requirements. A detailed discussion on flow up and flow down valve designs is also included.
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In this training video you will see how to change the spring set of a Bettis RPE Actuator. This video should be used in conjunction with the instructions provided in the IOM manual which is available for download from the Bettis RPE Series website
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Learn the opening sequence of the Electro-Hydraulic Operator with a backup stroke accumulator.
Take a closer look at how the Fisher™ L2t Liquid Level Controller detects liquid level or the interface of two liquids of different specific gravities.
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This animation explains the two main types of control valve designs, sliding stem and rotary, as well as the rotational motion they use and their pressure recovery capabilities.
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