Flange (DIN) Qingdao Hengyong Valves Industry Co., Ltd. Base Info Model NO.:UNI2282 DIN2633 PN16 DN40 304LStandard:DINType:Welding FlangeMaterial:Stainless SteelManufacturing Way:Casting Description Pre:Slip on Flange (645) Next:Expansion Rubber Joint