产品介绍：由中间管所连接的两个波纹管及销轴、 较链板和立板等结构件组成， 只能吸收—个平面内的横向位移及角位移并能承受波纹管压力推力的膨胀节。

公称通径：DN100-DN5000 (mm) 

设计压力：0.25-2.5 (Mpa) 

Product introduction: It consists of two bellows connected by the interme-diate pipe and structural parts such as pins. hinge plates and vertical plates. It can only absorb lateral displacement and angular displacement in one plane and can withstand the pressure thrust of the bellows 

Nominal diameter: DN100-0N5000 (mm) 

Design pressure: 0.25-2.5 (Mpa)