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

Insulation jacket gate valve is mainly used in petroleum, chemical industry, metallurgy, pharmaceutical and other systems. The valve jacket is welded between the two flanges of the valve, and the side and bottom of the valve are equipped with the connecting mouth of the jacket. The jacket can flow through steam or other hot thermal insulation media freely to ensure that the viscous medium can flow through the valve smoothly.

Product Model: BZ41
Nominal diameter: DN40~500mm
Nominal pressure: PN1.0-10.0MPa
Main materials: ZG1Cr189Ti, ZG00Cr18Ni10, ZG1Cr18Ni12MO2Ti, ZG00Cr17Ni14MO2, WCB
Design and Manufacture: GB12234-89
Structure length: GB12221-89
Flange size: JB/T79-94
Inspection and test: GB13927