高清国产一区二区三区在线-国产在线精品一区二区夜色-亚洲人成77777在线播放网站-亚洲精品久久久久久中文-无码 人妻 在线 视频

The main steam gate valve of the power station is also called the special valve of the power station. The gate valve of the pound-class high-temperature and high-pressure power station is suitable for cutting or connecting the medium in the pipeline of petroleum, chemical industry, thermal power station and other working conditions with the operating temperature of -29 ~ 570 ° C.Applicable medium: water, oil, steam, etc.Operation mode: manual, gear transmission, electric, etc.

Product model: Z961Y
Nominal diameter: NPS2"~22"
Nominal pressure: Class1500~3500Lb
Driving mode: manual, gear, electric
Applicable medium: water, oil, steam
Design and manufacture standard: ASME B16.34 E101
Structural length standard: ASME B16.34 E101
Welding connection size: JB/T 3595-93, ASME B16.25
Pressure and temperature class: ASME B16.34 E101
Test standard: API598 E101