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

D941X series electric flange type soft seal butterfly valve products are rubber seal butterfly valve and carbon steel or stainless steel plate, stem composition.It is suitable for adjusting flow rate and blocking medium on water supply and drainage and gas pipelines with temperature ≤120℃, such as light textile, paper making, food, medicine, chemical industry, petroleum, electric power, etc.

Product model: D941X
Nominal diameter: DN50 ~ 1000mm
Nominal pressure: PN0.6~ 4.0MPa
Applicable medium: water, steam, oil, acid corrosive, etc
Body material: cast steel, 304
Driving mode: electric, pneumatic, manual
Design standard: GB/T12238-1989
Flange connection size: GB/T9113.1-2000;GB/T9113.2-2000 GB/T9115.1-2000.GB/T9115.2-2000
Structure length: GB/T12221-1989
Pressure test: GB/T13927-1992;JB/T9092-1999