large diameter elbow 1.type:long radius,short radius,welded,seamless 2. ... ,180,30,60,120,150 special size available 90 degree large diameter elbowSizeSeamless elbow: 1/2"~24" DN15~DN600Welded elbow : 1/2 ... ’ requirementApplicationsPetroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc 90 degree large diameter elbow