Flanges
- GOST 12821-80/ ГОСТ 12820-80
- GOST 12822-80
- GOST 9399
- OST 26-842-73/ ОСТ 34-42-836-86
- GOST 28759.1-4-90
- DIN 2573, 2576, 2527, 2656, 2641, 2642, 2632, 2635, 2633, 2628, 2631, 2638, 2637, 2634, 2636, 2627, 2630, 86030,
- EN 1092-1
- ASME/ANSI В 16.47
Fasteners
(Studs, nuts)
Gaskets
(flat pipeline flange and spiral wound gaskets according to GOST, DIN and ANSI sizing)
Heads
- GOST6533-78
- GOST 12622-78
- DIN 28011
- DIN 28013
- NFE 81-103
- ASME VIII Div. 1.










