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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3036-2017 |
Marine centric-pivoted butterfly valves 船用中心型蝶阀 |
China National Standards Marine centric pivoted |
 English PDF |
| GB/T 3037-2017 |
Marine duo-eccentric-pivoted butterfly valves 船用双偏心型蝶阀 |
China National Standards Marine centric pivoted |
English PDF |
| GB/T 3037-1994 |
Marine duo-eccentric-pivoted butterfly valves 船用双偏心型蝶阀 |
China National Standards Marine centric pivoted |
English PDF |
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