A ball valve with an air vent is designed to shut off the flow of the working medium and bleed off any air pockets that may form. It is also possible to combine a ball valve with an air vent and/or a ball valve for draining water.
| DN | d, мм | DN1 | Тип 1
ПЭ оболочка D 1, мм для DN 1 |
Тип 2
ПЭ оболочка D 1, мм для DN 1 |
Тип 1
ПЭ оболочка D, мм для DN |
Тип 2
ПЭ оболочка D, мм для DN |
ОЦ оболочка
D, мм для DN |
L, мм |
| 25 | 32 х 3,0 | 25 | 125 | 125 | 125 | – | 140 | 2000 |
| 32 | 38 х 3,0 | 25 | 125 | 125 | 125 | – | 140 | 2000 |
| 40 | 45 х 3,0 | 32 | 125 | 125 | 125 | – | 140 | 2000 |
| 50 | 57 х 3,0 | 32 | 125 | 125 | 125 | 140 | 140 | 2000 |
| 65 | 76 х 3,0 | 32 | 125 | 125 | 140 | 160 | 160 | 2000 |
| 80 | 89 х 4,0 | 32 | 125 | 125 | 160 | 180 | 180 | 2000 |
| 100 | 108 х 4,0 | 32 | 125 | 125 | 180 | 200 | 200 | 2000 |
| 125 | 133 х 4,0 | 32 | 125 | 125 | 225 | 250 | 225 | 2000 |
| 150 | 159 х 4,5 | 32 | 125 | 125 | 250 | 280 | 250 | 2000 |
| 200 | 219 х 6,0 | 32 | 125 | 125 | 315 | 355 | 315 | 2000 |
| 250 | 273 х 7,0 | 32 | 125 | 125 | 400 | 450 | 400 | 2000 |
| 300 | 325 х 7,0 | 32 | 125 | 125 | 450 | 500 | 450 | 2500 |
| 400 | 426 х 7,0 | 32 | 125 | 125 | 560 | 630 | 560 | 2500 |
| 500 | 530 х 7,0 | 50 | 125 | 140 | 710 | – | 675 | 2500 |
| 600 | 630 х 8,0 | 50 | 125 | 140 | 800 | – | 775 | 3000 |
| 700 | 720 х 8,0 | 50 | 125 | 140 | 900 | – | 875 | 3000 |
| 800 | 820 х 9,0 | 50 | 125 | 140 | 1000 | 1100 | 975 | 3000 |
| 900 | 920 х 10,0 | 50 | 125 | 140 | 1100 | 1200 | 1075 | 3500 |
| 1000 | 1020 х 11,0 | 50 | 125 | 140 | 1200 | – | 1175 | 3500 |
Example of a symbol in an order specification:
Ball valve with an external diameter of 630 mm branch pipes, a wall thickness of 8 mm, with insulation
type 1 made of polyurethane foam in a polyethylene/galvanized shell, with a stem height of 2.9 m
Ball valve St630x8-1-PPU-PE, H=2900 mm, L=2500 mm
Ball valve St630x8-PPU-OC, H=2900 mm, L=2500 mm
Note:
The lengths given in the catalog correspond to the structural lengths of the product. For other necessary parameters, see the technical catalogs of ball valve manufacturers.
