... Pipe coupling,pipe clamp fittings,flexible coupling 1:we can supply: NameCoupling, elbow, tee, cross, reducer, cap, ... protection,mines,power,chemical industry and urban water supply and discharge.When it is connected with pumps ... per the actual sizes. 3:Sizes we can supply: 4:Victaulic coupling history In the early ... pipe joining method, added roll and cut grooving tools in the 1940’s and 1950’s, entered ...