... Clamp/Coupling,Snap Clamp 1.Size:2"-8"inch, DN125,DN150 etc 2.Material:carbon steel 2-8 inch, DN125,DN150 Concrete Pump Parts ... Relevant information:Namesnap clamp;bolt clamp;wedge clamp;adjust clampSize2"/2.5"/3"/4"/5" or according to client's ... or GalvanizingServing brandSchwing, Putzmeister, Kyokuto, Cifa, Sany, Zoomlion, etc 2-8 inch, DN125,DN150 Concrete Pump Parts Clamp/Coupling,Snap Clamp