Parallel gate valve Parallel slide valve
... 平衡式 Balance type 平行式闸阀 Parallel gate valve Parallel slide valve 启闭件 Disc ...
Parallel gate valveparallel slide
... 驱动阀门 Actuated valve 平行式闸阀 Parallel gate valveparallel slide valve 楔式闸阀 Wedge gate valve ...
parallel gate valve
... 楔式闸阀:wedge gate valve 平行式闸阀:parallel gate valve 垂直板式蝶阀:vertical disc type butterfly valve ...
rising-stem double-disk parallel slide valve ; disk parallel slide valve
double disk parallel gate valves
Electric Double Disk Parallel Gate Valves