Concrete Pump Clamp Size from 2''-8'', snap clamp, bolt clamp, screw clamp, used for Schwing, PM, ... , bolt clamp, screw clamp, wedge clampSurfacePainting or GalvanizingTechnicalprecision castingApplicationConnection of Concrete pump and pump truck pipelineServing brandSchwing, PM, CIFA, Sany, Zoomlion and so ...