... reducer, (coupling)clamp , male and female flange ,rubber hose,cleaning ball,wear plate etc. Welcome to contact ... DN125,DN150,according to your request 6.rubber items( adopt natural rubber) rubber hose:DN 125mm and DN 150mm ... DN 150mm,DN180,fitting to schwing,PM,etc rubber sponge balls:for all kinds of concrete ... also supply the s-pipe,gate valve,delivery cylinder,RAM,back-up ring,etc.9. Concrete ...