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 opening and closing parts of the liquefied gas globe valve are plug shaped disc, sealing surface is flat or conical surface, disc makes a straight line motion along the center line of the fluid.The movement form of the valve stem, there are lifting rod type (stem up and down, handwheel does not rise and fall), there are also lifting rotary rod type (handwheel and valve stem rotate up and down together, nut is located on the valve body).Piped globe valves are for full open and full close only. Adjustment and throttling are not allowed.The LPG globe valve is a forced sealed valve, so when the valve is closed, pressure must be applied to the disc to force the sealing surface not to leak.

Product Model: J41N
Nominal diameter: DN15~200 mm
Nominal pressure: PN1.6~4.0MPa
Main materials: stainless steel, carbon steel
Applicable media: liquefied gas, natural gas, etc.
Applicable Temperature: -40~+80 ℃
Flange connection standard: JB/T 79-94