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 normal valve 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


安多县| 贞丰县| 尼木县| 宜昌市| 大兴区| 济源市| 宜都市| 闽侯县| 舟山市| 太白县| 台山市| 建昌县| 修文县| 保定市| 米易县| 沅陵县| 永平县| 刚察县|