产品介绍：由中间管所连接的两个波纹管及拉杆 、 端板和球面与锥面垫圈等结构件组成， 能吸收任一平面内的横向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 two bellows connected by the intermediate pipe, tie rods, end plates. spherical and conical gaskets and other structural parts. It can absorb lateral displacement in any plane and can withstand the pressure thrust of the bellows 

Nominal diamete「 DN50-DN5000 (mm) 

Design pressure: 0.25-2.5 (Mpa)