Couplings according Russian Standard, System Gost 28352-89, 2 lugs / System Rotta, 3 lugs
Both systems are symmetrical couplings. Type Gost is used in the fire fighting field and type Rotta mainly on ships. Type Gost has got 2 lugs, consists of two parts, is swivelling and suitable for delivery- and suction operation. Type Rotta has 3 lugs, consists of one part is non-swivelling and only suitable for delivery operation.
| 50 | 78 | G 2 | 0,195 | 30334333 | |
| 50 | 78 | G 2 | 0,880 | 30334395 | |
| 50 | 78 | G 2 A | 0,200 | 60523533 | |
| 50 | 78 | G 2 A | 0,700 | 60523593 | |
| 50 | 78 | G 2½ | 0,540 | 60498733 | |
| 50 | 78 | G 2½ | 1,500 | 60498795 | |
| 70 | 95 | G 2 | 0,345 | 30329433 | |
| 70 | 95 | G 2 | 1,145 | 30329495 | |
| 70 | 95 | G 2½ | 0,330 | 30329633 | |
| 70 | 95 | G 2½ | 1,520 | 30329695 | |
| 70 | 95 | G 2½ A | 0,500 | 60394433 | |
| 70 | 95 | G 2½ A | 1,500 | 60394495 | |
| 80 | 107 | G 2½ | 0,420 | 30389333 | |
| 80 | 107 | G 2½ | 1,750 | 30389393 | |
| 80 | 107 | G 2½ A | 0,350 | 60519533 | |
| 80 | 107 | G 2½ A | 1,000 | 60519595 | |
| 80 | 107 | G 3 | 0,410 | 30336033 | |
| 80 | 107 | G 3 | 1,750 | 30336095 | |
| 80 | 107 | G 3 A | 0,450 | 60523933 | |
| 80 | 107 | G 3 A | 1,300 | 60523995 | |
| 100 | 140 | G 4 | 0,700 | 20204733 | |
| 100 | 140 | G 4 | 2,000 | 20204795 | |
| 100 | 140 | G 4 A | 0,800 | 60523333 | |
| 100 | 140 | G 4 A | 2,400 | 60523393 | |
| 100 | 140 | G 4½ | 0,800 | 20204033 | |
| 100 | 140 | G 4½ | 2,400 | 20204095 | |
| 125 | 166 | G 4½ | 1,000 | 60638533 | |
| 125 | 166 | G 5 | 1,100 | 30391533 | |
| 150 | 176 | G 6 | 1,245 | 30391633 | |
Other sizes and styles on request.



