Commonly used butterfly valve flow and structure

Commonly used butterfly valve clamp butterfly valve and flange two. The butterfly valve on the folder is to use double-headed bolts to connect the valve between the two pipe flanges, flanged butterfly valve is equipped with a flange on the valve, with bolts on both sides of the valve flange connecte

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January 29 Harbin Steel Market Price Quotes

Product Name Specification Material Steel/Origin Price (Yuan/Ton) Yesterday Last Week Last Month General Line Φ6.5mm Q235 Tong Steel 4350 0 0 0 Common Line Φ8mm Q235 Tong Steel 4350 0 0 0 High Line Φ6.5-10mm Q235 Xilin 4400 0 0 0 High Line Φ6.5-10mm Q235 High Speed ​​Stee

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