1, before installation way confirm this factory product performance, and whether the medium flow arrow is consistent with the movement conditions, and the Industrial Valves cavity clean, do not allow foreign impurities in sealing ring and disc attached, before cleaning must not allow closing butterfly plate, so as not to damage the sealing ring. 2, disc plate installation supporting disc valve special flange, flange recommended HGJ54 - namely The type 91 socket welding steel flange. 3, installed in the pipeline position, the best location for the vertical loading, but can't flip. 4, use the traffic needs to adjust, a worm gear box control. 5, on and off a lot of disc valve, in 2 months time, open the worm gear case cover, check whether the butter is normal, should keep the right amount of butter. 6, check the connection parts require compaction, namely to ensure that the packing bees, guaranteeing stem flexible rotation. 7, the metal sealing butterfly valve products are not suitable for installation in the end of the pipe, such as must be installed in the end of line, take equipped with outlet flange, prevent the backlog of sealing ring, too. 8, stem installation using regular check Industrial Valves using effect, find fault in a timely manner to eliminate.
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