I. Overview of Common Valve Design StandardsBefore discussing J-VALVES trunnion ball valves, let's first understand some common and crucial design standards in the field of industrial valves. These standards regulate the production and application of valves from different aspects, ensuring that valv
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I. Overview of Common Valve Design StandardsBefore discussing J-VALVES trunnion ball valves, let's first understand some common and crucial design standards in the field of industrial valves. These standards regulate the production and application of valves from different aspects, ensuring that valv
