standard differences(I) Implementation Standards• American standard gate valves: mainly follow American Petroleum Institute (API) standards such as API 600 and API 6D. These standards put forward strict requirements for the design, manufacture, inspection and testing of valves to ensure the reliabil
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standard differences(I) Implementation Standards• American standard gate valves: mainly follow American Petroleum Institute (API) standards such as API 600 and API 6D. These standards put forward strict requirements for the design, manufacture, inspection and testing of valves to ensure the reliabil
