Oil reducing valve belongs to the pilot valve piston valve.
进口油用减压阀属于先导活塞式减压阀。
The piston valve design ensures actuation even after many years without operation.
旋塞阀的设计，即使在多年停用之后，也能确保启用。
The utility model relates to a piston valve which is installed in a cylinder tube of a pressure device, wherein the cylinder tube has an inner ring wall face towards the piston valve.
一种安装在压力装置的缸管内的活塞阀，在缸管上具有一朝向活塞阀 的内环壁面。
The main products are: gate valve, butterfly valve, ball valve, piston valve, globe valve, hydraulic control valves, pressure reducing valve such as the eight series over 100 kinds of specifications.
目前主要产品有：闸阀、蝶阀、球阀、柱塞阀、截止阀、水力控制阀、减压阀等八大系列100多种规格。
The main products are: gate valve, butterfly valve, ball valve, piston valve, globe valve, hydraulic control valves, pressure reducing valve such as the eight series over 100 kinds of specifications.
目前主要产品有：闸阀、蝶阀、球阀、柱塞阀、截止阀、水力控制阀、减压阀等八大系列100多种规格。
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