... -on, welding-neck, lap joint,threaded,blind ANSI forged steel flanges, ANSI steel flange, forged steel flange:Type: slip-on, welding ... , blind and socket-welding. Working pressure: 150Lbs, 300Lbs, 600Lbs, 900Lbs. Standard: ANSI B16.5, API 605, MSS SP44, AWWA C207 DIN2573 ... box, or as per customer's request. ANSI Forged Steel Flanges