精品国产一区二区三区四区阿崩-曰韩精品无码一区二区视频-天天狠天天天天透在线-欧美性插b在线视频网站-高潮流白浆潮喷在线播放视频

J61Y high temperature and high pressure globe valve is the opening and closing device with heat dissipation device. It adopts butt welding and pipe welding, and is suitable for high temperature and high pressure occasions.Nominal pressure: 16, 25, 32MPa applicable temperature: 425℃ 450℃ 500℃ 540℃, mainly used in steel, metallurgy, power plants, thermal power and other enterprises.

Product model: J61H/Y
Nominal diameter: DN20~300mm
Nominal pressure: PN1.6~ 3.2MPa
Main material: cast steel, stainless steel, forged steel, chromium molybdenum steel, chromium molybdenum vanadium steel
Driving mode: manual and electric
Design and manufacture: E101, JB/T3595, DL/T531
Structure length: E101, JB/T2766, GB/T15188.1
Pressure - temperature classes: E101, JB/T3595
Welding groove size: GB12224, JB/T3595, ASME B16.2