私人影院做爱视频,岛国女优av高清在线,我和亲妺婷婷在浴室作爱经过,女人和拘做受全过程免费,成人无码区免费AⅤ片WWW软件,亚洲AV无码国产成人久久强

current location: Home   >> News >> Company news

Hydraulic butterfly valve structure and characteristics

1, the valve is mainly composed of valve, hydraulic station, quick closing actuator, PLC intelligent electric control box and special trip feedback device;

2, precision machining rack and pinion type hydraulic actuator, compact structure, stable operation, safe and reliable;

3, PLC intelligent electrical control system, high degree of automation, remote, local control system;

4, the use of international famous brand automation components, superior product performance, reliable quality;

5, the valve normal opening and closing power source is generally provided by the supporting hydraulic pump station, but also from the steam turbine main hydraulic station;

6. The system power supply is 380V, and the control power supply is AC220V, DC220V, DC110V and other power grades;

7, the valve USES three eccentric multi-level metal hard seal butterfly valve, high temperature, open and close flexible, easy, reliable seal.


澜沧| 潼关县| 桂林市| 翼城县| 如东县| 满城县| 郸城县| 无极县| 临泽县| 东安县| 广东省| 河南省| 余江县| 邵武市| 来凤县| 高邑县| 平顶山市| 九寨沟县|