Tees with a ball valve for draining water into the polyurethane foam insulation are installed in the heat chamber in close proximity to the shut-off and control ball valves of the pipeline section to carry out the process of draining the coolant from the system during preventive and repair work, under the control of the service personnel.
|
d, мм |
Dу шарового крана для спуска воды, мм |
H, мм |
ПЭ оболочка | ОЦ
оболочка |
||
| Тип 1 | Тип 2 | |||||
| D,
мм |
D,
мм |
m,
кг |
D,
мм |
|||
| 32 | 25 | 541 | 125 | – | 8 | 140 |
| 38 | 25 | 544 | 125 | – | 9 | 140 |
| 45 | 32 | 548 | 125 | – | 10 | 140 |
| 57 | 32 | 554 | 125 | 140 | 11 | 140 |
| 76 | 32 | 560 | 140 | 160 | 13 | 160 |
| 89 | 32 | 570 | 160 | 180 | 17 | 180 |
| 108 | 32 | 580 | 180 | 200 | 19 | 200 |
| 133 | 32 | 590 | 225 | 250 | 28 | 225 |
| 159 | 32 | 605 | 250 | 280 | 30 | 250 |
| 219 | 32 | 635 | 315 | 355 | 52 | 315 |
| 273 | 32 | 665 | 400 | 450 | 74 | 400 |
| 325 | 32 | 690 | 450 | 500 | 97 | 450 |
| 426 | 32 | 740 | 560 | 630 | 129 | 560 |
| 530 | 50 | 790 | 710 | – | 162 | 675 |
| 630 | 50 | 840 | 800 | – | 191 | 775 |
| 720 | 50 | 870 | 900 | – | 221 | 875 |
| 820 | 50 | 940 | 1000 | 1100 | 295 | 975 |
| 920 | 50 | 985 | 1100 | 1200 | 332 | 1075 |
| 1020 | 50 | 1035 | 1200 | – | 381 | 1175 |
Example of a symbol in an order specification:
Tee with a ball valve for draining water with an outside diameter of the main pipe of 426 mm,
a wall thickness of 7 mm and a nominal diameter of the ball valve for draining water of 32 mm, with type 1 insulation made of polyurethane foam in a polyethylene (galvanized) shell:
Tee with a ball valve for draining water St426x7-32-1-PPU-PE
Tee with a ball valve for draining water St426x7-32-PPU-OC
Note:
The nominal diameter (Dу) of the ball valve for draining water, as well as the height H, can be assigned by the project.
