乱人伦中文字幕-日本乱理伦片在线观看中文-色94色欧美sute亚洲线路二-久久成人亚洲香蕉草草-成人免费毛片网站-午夜亚洲国产-а天堂中文在线官网-麻豆人人妻人人妻人人片av-欧美亚洲精品真实在线-在线不卡国产-欧美精品网站-成人久久免费网站-911精品国产一区二区在线-成人做受视频试看120秒-91黄色看片

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