... :S235JRG2/RST37.2, C22.8/P250GH, A105/SS400. Size: DN15-DN2500. ASTM a266 gr.4 flangeThe ... , 2500LB, WNRN, SORF, BLRF, THRF, SWRF, LJRF, 2-German Standard:DIN2573, DIN2572, DIN2576, DIN2631, DIN2632, DIN2633, ... TYPE5, TYPE12, TYPE13, GOST12820-80, 12821-80, 2 1/2 (DN15) TO 80(DN2000;)Type: Welding Neck Flanges ... ;Painting: Yellow, Black, oil and Zinc, Plate etc;Packing: by plywood cases or pallets for ...