| Pipes with external extruded polyethylene anticorrosive insulation |
| Diameter, 57-820 mm |
Two-layer |
Three-layer |
| GOST 9.602-2005 |
Reinforced/Highly reinforced insulation, Struc. 1; |
Reinforced/Highly reinforced insulation, Struc. 1; |
| GOST R 51164-98 |
Struc. 2 |
Struc. 1 |
| Pipes with external Polilen band anticorrosive insulation |
| Diameter, 57-530 mm |
|
|
| GOST 9.602-2005 |
Highly reinforced insulation, Struc. 4; |
Highly reinforced insulation, Struc. 4; |
| GOST R 51164-98 |
Reinforced insulation, Struc. 9; |
Reinforced insulation, Struc. 9; |
