... ,Blind,Lapped,Screwed,Weld Neck,Long Weld Neck,Reducing, Spectacle,Ring JointSize rating:DN10--4000 mmPressure rating:class 150LB,300LB,400LB ... , 316LN, 317, 317L, 321, 321H, 347, 347H, 904L.· ASStandard: ASTM / ASME A/SA 182ASTM A182 F1, F11, F12, F22, F5, F9 ... , F91.· Nickel AlloyStandard: ASTM / ASME SB 564 / 160 / 472Grade: UNS 2200 (NICKEL 200), UNS 4400 ...