... is max pipe inner diam.:150--1000mm pipe connection:flat mouth ,bell mouth,tongue-and-groove nonreinfroc we ... description:pipe length:1mpipe inner diam.:150--1000mmpe connection:flat mouth ,bell mouth,tongue-and -groove moth typeFeature: ... and power motor .5key component of the machine has: Main frame, power system, jacking system,(lifting system), internal water system ,mould, working platform, pushing ...