Re-selection of the basic principles (1)

(I) Overview The essence of re-election is summarized as a loose-layered-separation process. A layer of loose ore (called a bed) placed in a sorting device that is loosened by fluid buoyancy, power, or other mechanical forces in order to re-elect different density (or particl.......

Dongfeng scenery 580: How is the star model made?


On July 1st, at the square in front of Outlets in Zunyi City, Guizhou Province, the general manager of the Dongfeng Xiaokang Automobile Co., Ltd. factory signing meeting was held on the scene and the queue was long before the signing desk. Within a short time of two h.......

Valve trim material temperature

Material Lower limit / ° C Lower limit / ° F Upper limit / ° C Upper limit / ° F Type 304 stainless steel -268 -450 316 600 Type 316 stainless steel -268 -450 316 600 Bronze -273 -460 232 450 Inconel-240 -400 649 1200 K Manganese Alloy-240 -400 482 900 Manganese Alloy - Hassell.......