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400X Flow control valve had passed the inspection.
time2016/04/05
PublisherKathy Xiao
Different ways of screw thread controlling the gate is the main difference.
time2016/08/22
PublisherKathy
The petroleum and chemical industries have been looking for meaningful standards that will enable the qualification of valves and packings that meet the increasingly stringent fugitive emission regulations, which have increased since the 1990s. The focus has been on the main source of the emissions—valve stem packing
time2017/06/07
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