... sk148mm flange Pump Snap Clamp /Snap Coupling Concrete Pump Clamp CouplingsSize: 2inch-8inchTechnical: Precision castingSurface : Painting or GalvanizingMaterial: Hi-Mn, carbon steel, etc5.Serving brand : Schwing, PM, ... CIFA, Sany, Zoomlion, etc6. Application : Connection of concrete pump and pipeline, etc7.Type:Quick/snap clamp, bolt clamp, screw clamp, wedge clampWe ...