... supplier of SIMENS 3.Size:1/2",TUV,PED,ISO,AD-2000 4.To be equality and mautal Welding Neck Flange ... PN2.5,6,10,16,25,40,63,100TYPE01,02,04,05,11,12,13,21,32,33,34 EN10025(S235JRG2 ... ,25,40,50,110,150,260,420 TYPE01,02,03,04,05,11,12,13,14,15,21,32,33,34 ... ,6,10,16,20,25,40,50,100,150,250,420 TYPE01,02,03,04,05,11,12,13,14,15,21 ... DN10-4000 PN2.5,6,10,16,25,40,64,100,160 SO,BL,PL,WN,LOOSE,THD RST37.2/1 ...