AB法兰外径(D)螺栓孔中心圆直径(K)螺栓孔直径(D1)螺栓孔数量(n)螺纹(TH)10149060144M12×50143515189565144M12×501438202510575144M12×551640253211585144M12×5516403238140100184M16×6018424045150110184M16×6018455057165125184M16×6520486576185145184M16×6520488089200160188M16×652050100108220180188M16×702252125133250210188M16×702255150159285240228M20×802455200219340295228M20×8024622502733953502212M20×8026683003254454002212M20×8026683503775054602216M20×8026684004265655152616M24×8526724504806155652620M24×9028725005306706202620M24×902875连接尺寸PN1
0MPa带径对焊钢制法兰《带径对焊钢制管法兰(欧洲体系)》HG20594-97钢管外径(法兰焊端外径)公称直径DN法兰厚度C法兰高度(H)法兰表示方法:WN250(B)-1
0RF,标准:HG20595-97D2D1DbdH工6006307807253020M27×952880AB法兰外径(D)螺栓孔中心圆直径(K)螺栓孔直径(D1)螺栓孔数量(n)螺纹(TH)10149060144M12×50143515189565144M12×501438202510575144M12×551640253211585144M12×5516403238140100184M16×6018424