●采用专利技术设计制造，鋯构紧凑.密气性强。

●F型叶端面采用进口胶板.与机克零河装。完全防卡防堵

● H型叶片端面采用耐磨钢板，解决叶片不易磨损。

●轴承外置， 解决串灭，维修方便。

●叶片磨损可调节或更换，产品使用寿命长。

●Designed and manufactured by patented technology, compact structure and strong air tightness.

●The end face of the vane is applied with the imported slab rubber so that it is zero clearance with the enclosure and flly antisticking and antiblocking.

●The end face of H-type blade is made of wear-resistant steel plate to prevent the blade from wearing.

●The bearing is outlayed to resist dusts.

● It is convenient to be manitained.

● It is able to adjust or change the abrasion of the vane.It has long service life.