... Galvanizing 4.service life is long 2-3 times DN125 forging coupling TypeSnap clamp, bolt clamp, screw clamp, wedge ... clampTechnicalForging, high-temperature 1200 forging and intoApplicationConnection of Concrete pump and pump truck pipelineUsed forSchwing ... high quality 40CRsteel (ASTM 5140).After high-temperature 1200 forging,it’s shaped. 2.Used in engineering mechanical pipe ...