large diameter elbow 1.type:long radius,short radius,welded,seamless 2. ... large diameter elbowSizeSeamless elbow: 1/2"~24" DN15~DN600Welded elbow : 1/2"~100" DN15~DN2500Bend typeBW bend pipe/butt weld pipe bend;SW bend pipe ... ’ requirementApplicationsPetroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc 90 degree large diameter elbow