Following the new three products of Matt (tipping type filter box, a type of aluminum liquid filter box with double-layer filter plate and tipping type aluminum liquid degassing and purifying device), it has obtained the national utility model patent, a dispersible air-permeable brick The method of purifying aluminum alloy melts with bottom-blowing inert gas has been granted a national invention patent; 9 products, such as rotary-powdered stirring degasifier and on-line degasifier in the furnace, have been applied for national utility model patents, invention patents and design patents respectively. The special new technology R&D team continues to work hard. Currently, an aluminum liquid online degasifier with a gas self-preheater has been developed, and utility model patents have been applied.
AWWA Flange Standards differ from ANSI (American National Standards Institute) and ASME (American Society of Mechanical Engineers) certifications in a variety of ways, the most important being their specificity: AWWA standards evaluate properties that particularly affect potable water use, as opposed to broader industrial flange applications.
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