... 304H/L,321,310S,347H, ansi b16.5 class 150 weld neck flange1.specificationStandards: ANSI(ASME), AWWA, DIN, EN1092, ... 1:20002 STANDARD DN10-4000 PN2.5,6,10,16,25,40,63,100TYPE01,02,04,05,11, ... 1/1989 STANDARD NS15-2000 PN2.5,6,10,16,25,40 CODE101,102,104,105,111,112, ... -1 STANDARD DN10-4000 PN2.5,6,10,16,20,25,40,50,110,150,260,420 ... 12 NFE29203 STANDARD DN10-600 PN2.5,6,10,16,20,25,40,50,100,150,250,420 ...