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Lidong is one of the 24 solar terms, indicating the transition of the season from autumn to winter. In traditional Chinese culture, Lidong is the first solar term of winter and also a symbol of the beginning of winter. On the day of the beginning of winter, the sun reaches 225 ° of the ecliptic long
Neck butt welding flange, also known as high neck flange, neck butt welding flange is that there is a long and inclined high neck from the welding place between the flange and the pipe to the flange, and the wall thickness of this high neck is along the height. The direction gradually transitions to
The improvement measures taken for flange castings with air holes include the following:1. Changing the sand mold brushing methodThe method of applying sand mold paint has been changed from overall spraying with water-based paint to overall spraying with water-based paint and partial manual brushing
New Year's Day is commonly known as "New Year" in most countries in the world. In China, New Year's Day has become a fixed holiday, which is generally organized by groups, such as New Year's Day Gala, hanging slogans to celebrate New Year's Day, or holding group activities. Most of the rural areas r
Flanges are parts that are connected to each other between shafts and are used for connection between pipe ends; they are also useful for flanges on equipment inlets and outlets, And can be used as connection between two equipments, example reducer flanges.So, how to connect the flange correctly?Pro
When there are pores in flange castings, the following process improvement measures are taken:1. Change the sand mold brushing methodThe brushing method of sand mold coating is changed from overall spraying water-based coating to overall spraying water-based coating plus local manual brushing alcoho