1。Butterfly valve with manual gear actuator
) g5 Y% h8 D, @/ K- P$ V0 i2。Manual globe valve with gland packing turning stem
+ O% k* i2 h$ P! S3。Twin plate check valve
% j% ~0 r' d, q" w# z: S( U4.Disc type check valve
/ N+ ]8 g4 t; X; |/ k$ J6 S这些阀的名称!!!!!!!!!!!!!!!!!! ...
& t% B [( Y8 h; e/ u Hliuss5201 发表于 2010-1-29 10:27  " n5 b& B/ F1 m' H/ K8 d/ j
" `. s6 Y. K8 D X$ s1.带手动齿轮执行器的蝶阀
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7 }' @$ F7 v& g0 b9 |: |5 A2.带填料密封旋转杆的手动球阀
) j) I% [% D; J5 d; b! [- V
5 i! B( g, ^9 D% w3 W3.不会
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4.蝶形单向阀 |