... 3.Stable quality, and low price. flange for concrete pump pipe MaterialQ235,20#steelModelDN125,DN150,DN175,so onTechnicalForging, high-temperature ... 1200 forging and intoAppicationConnection of Concrete pump and pump truck pipelineUsed forSchwing, PM, Kyokuto, Sany, Zoomlion, Ihi, ... have. Best regards! DN125 Forged Pipe Flanges For Concrete Pump,Carbon Flange