concrete pump pipe fittings 1.hot ,new 2.forging,forged 3.4- ... ,175 4.service life is long 2-3 times concrete pump pipe fittings TypeSnap clamp, bolt clamp, screw clamp, wedge clampSurfacePainting ... or GalvanizingTechnicalForging, high-temperature 1200 forging and intoApplicationConnection of Concrete pump and pump truck pipelineUsed forSchwing, PM, Kyokuto, Sany, Zoomlion,Ihi, NiigataSize4inch ...