国产又粗又黄又爽_中国女人a毛片免费全部播放_国产女人被躁高潮视频在线视频最新_一级毛片免费完版_成人精品欧美日韩_五月丁香色综合久久4438_国产成年人免费观看91视频_宅宅236伦理2019最新_blue在线观看视频全集资源_国产欧美日韩麻豆三级

簡(jiǎn)體中文版 English

Product List

Z11H female thread valve gate valve is a gate lines, also called the door, is the most widely used as a valve, sealed valves are mandatory, its principle is closed, relying on the bar pressure valve, the valve seat sealing surface and sealing surface tightly, to prevent media circulation. They are divided into several categories in different ways. The utility model has the advantages of simple structure, good tightness, long life, large fluid resistance and poor regulation performance,
Order note:
If there is no selected model, please provide detailed parameters, such as medium, temperature, pressure, caliber, material and so on. Our technicians will?select?for you
Two. Provided that the selected model is available according to the selected model
Three, non standard products need to provide samples?or?confirmed by drawings
Note: the information is for reference only,?or?incomplete, so please feel sorry for the inconvenience. The company can choose according to different requirements and parameters. The company has a variety of sizes, pressure, different materials, connections, drive mode, to meet the different needs of various types of gate valve. Please contact 021-6651 8677?or?consult online.
Mandatory
Mandatory
Mandatory
Mandatory

Be sure to write clearly consulted or purchase products detailed parameters and quantity.