... pump pipe clamp size:2''--8'' snap clamp, bolt clamp,used for Zoomlion, PM, Sany,Schwing concrete pump pipe clampsize:2''--8'' snap clamp, bolt clamp,used ... for Zoomlion, PM, Sany,SchwingNameClamp couplingSize2inch-8inchTypeSnap clamp, Bolt clamp, screw clamp, wedge ... PM, CIFA, Sany, Zoomlion and so on concrete pump pipe clamp