球閥的工作原理是通過旋轉(zhuǎn)閥芯來實(shí)現(xiàn)閥門的開啟或關(guān)閉。球閥的啟閉件是一個(gè)球體，球體繞閥桿的軸線旋轉(zhuǎn)90度，從而控制流體的通斷。當(dāng)球閥旋轉(zhuǎn)到開啟位置時(shí)，流體可以通過球閥；而當(dāng)球閥旋轉(zhuǎn)到關(guān)閉位置時(shí)，球體與閥座緊密接觸，阻止流體通過。球閥具有開關(guān)輕便、體積小、密封可靠、結(jié)構(gòu)簡單、維修方便等特點(diǎn)，并且適用于多種介質(zhì)，包括含纖維、微小固體顆粒的介質(zhì)。
B3T72903-15G-T1-F，B3T72903-20G-T1-F，
B3T72903-25G-T1-F，B3T72903-32G-T1-F，
B3T72904-40T-T2-F，B3T72904-50T-T2-F，
B3T72904-65T-T2-F，B3T72904-80T-T2-F，
B3T72904-15T-T2-F，B3T93905-15N-T3-F7，
B3T93905-20N-T3-F7，B3T93905-25N-T3-F7，
B3T93905-32N-T3-F7，B3T93906-40F-T4-F7，
B3T93906-50F-T4-F7，B3T93906-65F-T4-F7，
B3T93906-80F-T4-F7，B3T74907-15K-L5-F8,
B3T74907-20K-L5-F8,B3T74907-25K-L5-F8,
B3T74907-32K-L5-F8,B3T74908-40K-L6-F8,
B3T74908-50K-L6-F8,B3T74908-65K-L6-F8,
B3T74908-80K-L6-F8,B3T74909-15K-L7-F8,
B3T74909-20K-L7-F8,B3T74909-25K-L7-F8,
B3T74909-32K-L7-F8,B3T74910-40K-L7-F8,
B3T74910-50K-L7-F8,B3T74910-65K-L7-F8,
B3T74910-80K-L7-F8,B3T74912-40K-L7-F8,
B3T74912-50K-L7-F8,B3T74912-65K-L7-F8,

B3T74912-80K-L7-F8,