Flow is controlled by either throttling or diverting it. Throttling involves reducing orifice size until all of the flow cannot pass through the orifice; bypassing involves routing part of the flow ...
Out of more than 67 million gas service lines in the U.S., just over 9.3 million currently have excess flow valves, according to information submitted to regulators. A breakdown by type of customer ...
• The first step in selecting a valve is determining its function. • Review Cv or pressure drop when considering one valve versus another. • Don’t overlook maintenance requirements when specifying a ...
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