The adapter also includes a checkvalve to control fluid flow and provides a hydraulic cushion feature.
该适配器还包括一个单向阀来控制流体流动提供了一个液压缓冲功能。
2
Valve, closing valves, check valves, butterfly valves, hydraulic control valves and valve of 304,306 materials.
闸阀、截止阀、止回阀、蝶阀、水力控制阀以及304、306材质的各种阀门。
3
The research work offer reference for how to avoid the chewing bottom and floating bottom and hydraulic operated checkvalve structure design of and how to improve advancing velocity.