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 ... , .ect.2, the towed concrete pump, Concrete placing boom series.3, Concrete pump truck fittings : Wear plate and wear ring, S ...