GearboxChina SABS 1123 Type 4 Table 2 600/2, 1000/2, 1600/2, 2500/2, 4000/2 A420 Wpl3 Wpl5 Wpl6 Weld Neck Flanges, Find details about China Weld Neck Flange, SABS 1123 Flange from SABS 1123 Type 4 Table 2 600/2, 1000/2, 1600/2, 2500/2, 4000/2 A420 Wpl3 Wpl5 Wpl6 Weld Neck Flanges