产品介绍：由一个波纹管及销轴、 较链板、 万向环和立板等结构件组成， 能吸收任一平面内的角位移并能承受波纹管压力推力的膨胀节。

公称通径：DN50-DN5000 (mm) 

设计压力：0.25-2.5 (Mpa) 

Product introduction: It consists of a bellows and structural parts such as pins, hinge plates, universal rings and vertical plates. It can absorb the angular displacement in any plane and can withstand the pressure thrust of the bellows 

Nominal diameter: DN50-0N5000 (mm) 

Design pressure: 0.25-2.5 (Mpa)