JTS250 Roots fan round nut Changsha Roots fan factory JTS250 Roots fan round nut, strictly speaking, also belongs to a type of sealing accessories. Because the round nut is an accessory to fasten other parts on the fan, there are a lot of sealing accessories in these parts, so that the round nut plays a role in the sealing effect. On the Roots blower JTS250 round nut, round nut itself is a wearing parts, in order to further make the round nut to play the role of fastening, in general will be round nut and stop washer together, but generally belongs to the effect of a one-time, but the next time the maintenance must be replaced.

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