日韩欧美一二区_亚洲无码 鲁 鲁 更健康_国产美女一区三区_中文欧美日韩无线码_中文字幕亚洲激情_国产成人精品男人的天堂538_毛片影院在线观看_很黄很湿18以免费视频_国产乱子伦精品中文_过程网站在线观看黄

BJ45W direct flow insulation globe valve insulation jacket welding between the two flanges of the valve, the side and the bottom of the valve is provided with two connections of insulation jacket.The direct flow heat preservation stop valve is suitable for the pipeline of chemical industry and chemical fertilizer industry, the jacket can prevent the medium crystallization when it enters the steam, it is widely used in petroleum, chemical industry, metallurgy, pharmacy and other kinds of systems, in order to transport the high viscosity medium that will not solidify under normal temperature.

Product Model: BJ45W
Nominal pressure: PN1.6~6.4MPa
Applicable temperature: <200 ℃
Applicable media: nitric acid
Main materials: ZG1CR18NI9TI, ZGOOCR18NI10, ZG1Cr18Ni12MO2Ti, ZGOOCR17NI14MO2, WCB
Design and Manufacture: GB12234-89
Structure length: GB12221-89
Flange size: JB/T79-94
Inspection and test: GB13927