Weld Neck Flange (WN flange,stainless steel flange) 1)Name: Weld neck flange.Forged steel.2) Size: 1/2" to 24 ... , 316, 316L4) Pressure: ANSI 150LBS, ANSI 300LBS, JIS 5K, JIS 10K, JIS 16K, DIN PN10, DIN PN16, DIN PN25, BS4504 ... Flange (stainless steel flange,WN flange),weld neck flange.Certification: API 6D, API 607, CE 1277, ISO 901:2000, ISO 14001 Weld Neck Flange (WN flange,stainless steel flange ...