A shortened elbow is a shaped product designed to change the direction of a pipeline. It is installed in places with limited space.
| Наружный диаметр и минимальная толщина стенки стальных труб
d, мм |
Угол отвода 90˚ | ||||||||
| ПЭ оболочка | ОЦ оболочка | ||||||||
| Тип 1 | Тип 2 |
D, мм |
L, мм |
||||||
| R, мм | D, мм | L, мм | D, мм | L, мм | m, кг | ||||
| 3D (R=1,5DN) | |||||||||
| 32 х 3,0 | 38 | 125 | 605 | – | 605 | 3 | 140 | 605 | |
| 38 х 3,0 | 48 | 125 | 605 | – | 605 | 3 | 140 | 605 | |
| 45 х 3,0 | 60 | 125 | 605 | – | 605 | 4 | 140 | 605 | |
| 57 х 3,0 | 75 | 125 | 605 | 140 | 605 | 4 | 140 | 605 | |
| 76 х 3,0 | 100 | 140 | 620 | 160 | 620 | 4 | 160 | 620 | |
| 89 х 4,0 | 120 | 160 | 640 | 180 | 640 | 7 | 180 | 640 | |
| 108 х 4,0 | 150 | 180 | 656 | 200 | 656 | 10 | 200 | 656 | |
| 133 х 4,0 | 190 | 225 | 685 | 250 | 685 | 17 | 225 | 685 | |
| 159 х 4,5 | 225 | 250 | 710 | 280 | 710 | 25 | 250 | 710 | |
| 219 х 6,0 | 300 | 315 | 755 | 355 | 755 | 56 | 315 | 755 | |
| 273 х 7,0 | 375 | 400 | 800 | 450 | 800 | 97 | 400 | 800 | |
| 325 х 7,0 | 450 | 450 | 850 | 500 | 850 | 120 | 450 | 850 | |
| 426 х 7,0 | 600 | 560 | 900 | 630 | 900 | 233 | 560 | 900 | |
| 2D (R=DN) | |||||||||
| 530 х 7,0 | 500 | 710 | 900 | – | – | 251 | 675 | 900 | |
| 630 х 8,0 | 600 | 800 | 1000 | – | – | 403 | 775 | 1200 | |
| 720 х 8,0 | 700 | 900 | 1100 | – | – | 436 | 875 | 1100 | |
| 820 х 9,0 | 800 | 1000 | 1220 | 1100 | 1220 | 713 | 975 | 1220 | |
| 920 х 10,0 | 900 | 1100 | 1300 | 1200 | 1300 | 847 | 1075 | 1300 | |
| 1020 х 11,0 | 1500 | 1200 | 1455 | 1200 | 1455 | 1024 | 1175 | 1455 | |
Example of a symbol in an order specification:
Shortened steel elbow with a diameter of 57 mm, a wall thickness of 3 mm, 90˚, with insulation from
type 1 polyurethane foam in a polyethylene shell:
Elbow St57x3 -90˚-1-PPU-PE-U
Shortened steel elbow with a diameter of 57 mm, a wall thickness of 3 mm, 90˚, with insulation from
polyurethane foam in a galvanized shell:
Elbow St57x3 -90˚-PPU-OC-U
Note:
The steel part of the elbow can be made as a single bent pipe or welded with a sharply curved or sectional elbow. The wall thickness of steel sharply curved and sectional bends is accepted in accordance with GOST 17375-2001, GOST 30753-2001, standard series 5.903-13 by the thickness of the main pipe.
The standard sizes of manufactured bends are given in the table. At the customer’s request, bends can be manufactured with different angles α . It is possible to manufacture bends with increased shoulder lengths and wall thicknesses.
