... , C22.8) DIN2573 PN6; DIN2576 PN10, DIN2502 PN16, DIN2503 PN25 ,PN40, DIN2566 PN10&PN16, DIN2631 PN6, DIN2632 PN10. DIN2633 PN16, DIN2634 PN25, DIN2635 ... , UNI6089, UNI6090, UNI2544, UNI2282, UNI6090, UNI6091, UNI6092, UNI6093 flanges6. EN1092 flange PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160; TYPE01, TYPE02, TYPE05 ... the sizes are from 1/2(DN15) to 48(DN1200) Flange GOST 12820-20 PN10 DN1200