国产公开人成免费_在线A一级毛片免费完整视频_亚洲欧洲日本视频在线_八戒八戒神马影院www_欧美亚洲另类丝袜综合网_99精品無碼人妻一區二區三區_一级做人爰全程视频在线看_精品一区国产VR_欧洲美熟女乱又伦视频免费_黄页免费在线播放

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