... DIN2573, DIN2576, DIN2641, DIN2642, DIN2655,IN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673B ... neck falnge DIN2631, 2632,2633,2634,2635 blind flange DIN 2527 PN6, PN10, PN16, PN25, PN40 threaded falnge DIN2565,2566 ... ,2567,2567 loose flange DIN 2641,2642,2656,2673Material: carbon ...