Snap clamp is mainly applied to concrete pump pipe connection, product ... couplingsSize3.5inch,4inch ,5 inchMaterialHi-Mn 13 carbon steel, etcTypeQuick/snap clamp, bolt clamp, screw clamp, wedge clampTechnicalprecision castingApplicationConnection of Concrete ... ,DN150 Casting pipe clamp and Forged clamp.5, Other accessories: Rubber hose , Cleaning ball , Sponge plug, Seal, The bearing seat, Flange ...