A beginner has a question
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HLC small-bore sleeve single-seat control valve —— What do HLC stand for respectively? Is the ZXP pneumatic diaphragm single-seat control valve the same as the one mentioned above? ? How are the model numbers of control valves assigned? ? ? I am a beginner. . I have seen samples from many manufacturers. . . Can’t figure it out for now. . I’ve come specifically to ask for advice. . Let an expert answer it. . Thank you! !
Since I’m new to this field. . . I don’t know much about this control valve yet. . . So I kindly ask an expert to answer. . .