... pipe, elbow, reducer, (coupling)clamp , male and female flange ,rubber hose,sponge rubber ball,wear plate etc. Welcome to contact us for ... :DN100,DN125,DN150,according to your request6.rubber items( adopt natural rubber) rubber hose:DN 125mm and DN 150mm ,3 or 4 meters ... to schwing,PM,SANY,Zoomlion,etc. Pictures concrete pump sealing rings DN150 Concrete pump sealing rings (6'',rubber,without lip)