... , 300LB, 600LB, 900LB, 1500LB, 2500LB Connection: Butt Weld & Socket Weld & Thread Standard: ANSI, JIS, DIN Materia:l Carbon, Stainless, Alloy Certificate ... API, ISO9001: 2000, CCS Packing wooden cases or customerized Production Capacity 1000 tons ... /F5/F9/F11/F22/F91. Large Diameter Forged High Pressure Thread Slip-on Flange