... ASTM a105 flange class 150 Materials:S235JRG2/RST37.2, C22.8/P250GH, A105/SS400. Size: DN15-DN2500. ASTM a105 flange class 150 The ... , 900LB, 1500LB, 2500LB, WNRN, SORF, BLRF, THRF, SWRF, LJRF, 2-German Standard:DIN2573, DIN2572, DIN2576, DIN2631, DIN2632, DIN2633, DIN2502, DIN2543 ... , TYPE2, TYPE5, TYPE12, TYPE13, GOST12820-80, 12821-80, 2 1/2 (DN15) TO 80(DN2000;)Type: Welding Neck Flanges, Slip-on ...