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'butterfly'
China GB Standards List

 GB/T 37828-2019  
Bidirectional metal to metal sealed butterfly valve for urban heating
城镇供热用双向金属硬密封蝶阀
 GB/T 37621-2019  
Buried type butterfly valve
直埋式蝶阀
 GB/T 3036-2017  
Marine centric-pivoted butterfly valves
船用中心型蝶阀
 GB/T 3037-2017  
Marine duo-eccentric-pivoted butterfly valves
船用双偏心型蝶阀
 GB/T 27725-2011  
butterfly valves of thermoplastics materials
热塑性塑料蝶阀
 GB/T 26144-2010  
Liner fluoroplatics for flanged ang wafer steel butterfly valve
法兰和对夹连接钢制衬氟塑料蝶阀
 GB/T 12238-2008  
Flanged and wafer resilient seal butterfly valves
法兰和对夹连接弹性密封蝶阀
 GB/T 17213.11-2005  
Industrial-process control valves Part 3-2:Dimensions-Face-to-face dimensions for rotary control valves except butterfly valves
工业过程控制阀 第3-2部分：尺寸 角行程控制阀(蝶阀除外)的端面距
 GB/T 3037-1994  
Marine duo-eccentric-pivoted butterfly valves
船用双偏心型蝶阀
 GB/T 3036-1994  
Marine center-pivoted butterfly valves
船用中心型蝶阀

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