|
|
|
|
BALL VALVES PN 2,5; 4,0
|
 To be installed at pipelines that carry liquid and gaseous media to periodically shutoff fluid flow.
Bores DN 32, 40, 50 mm for nominal pressures PN 2,5 МPа; DN 25 mm на PN 4,0 МPа.
Body parts and ball are from steel (AISI 321).
Working medium: liquid or gaseous but neutral to the parts that are in contact.
Temperature -60 to +80оС. Any direction of fluid flow is possible.
Valve has flanged ends and manual operation.
To be supplied to regions with temperate or cold climate.
Table 1
| Designation |
Dimensions, mm |
Weight,
kg |
| DN |
d1 |
d2 |
d3 |
d4 |
H |
l |
L |
| 11ng91p |
25 |
14 |
68 |
115 |
85 |
80 |
160 |
160 |
4,8 |
| 32 |
18 |
78 |
135 |
100 |
85 |
160 |
180 |
6,9 |
| 40 |
88 |
145 |
110 |
115 |
200 |
200 |
8,6 |
| 50 |
102 |
160 |
125 |
125 |
200 |
230 |
12,8 |
Design options of Ball Valve PN 2, 5; 4,0
Main design features and advantages
- Teflon sealing of stem as well as chromium-plated and polished self-positioned plug sealed to body with fluoroplastic ring allows to reduce substantially hand-wheel torque and easily to open and close the valve.
- Stem hermiticity from ambient as well as body-to-plug joint and body-to-flange joint are provided with Teflon sealing rings.
|
|
|
