What is a reducing valve?
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1. Is tapering limited to a conical shape only? When the diameter decreases inward starting from the flange, how should such a design be processed? 2. Is there any design that resembles a full-bore design, where the inner diameter is reduced directly? 3. For high-compression diameters, should large-diameter blanks be used, small-diameter blanks, or are there specialized blanks available? 4. Is the diameter reduction done arbitrarily, or is it based on certain standards or specified ranges?
In what applications are necked valves used? Isn’t it more cost-effective to use a necked joint behind the valve? ? @HSLJHZ @ylb913 @WisdomBright @ylb913 @FullyDeserved @WangTianze