name:concrete pump quick coupling size:5.5" weight:5.07kgs it fit for 148mm flange concrete pump quick coupling 5.5"NameConcrete pump pipe couplingSize2”-8”,other sizes upon requestTypeSnap,adjustable,bolt,two bolt,four bolt,fixable coupling etc.(upon request)MaterialCarbon steelTechnicPrecision castingApplicationContection of concrete pump pipe and pipeBrandsSANY,SCHWING,PUTZMEISTER,KYOKUTO,CIFA ...