Valves and Chokes | Straight Globe Valves
Destination:
This valves are used as industrial fittings within low pressure installations.
Working medium: water, steam, gases, petroleum products and other similar fluids, with low corrosion, exclusive hydrogen, mixtures of hydrogen, as well as aggressive mediums with sulphur or sulphuretted hydrogen.
Working temperature: -10 ÷ 400oC
Contents
1. Body OTA20/STAS 9277
2. Sealing ring Body/ Globe 13%Cr / 13%Cr
3. Stem nut Bronze
4. Stem 13%Cr
5. Gasket Marsit MU 275-500
6. Cover OTA20 / STAS 9277
7. Gasket nonasbest
8. Handwheel OTA20 / STAS 9277
9. Stud bolt Gr.5.8.
10. Nut Gr.5
Technical and constructive characteristics
PN bar |
DN mm |
L mm |
H mm |
d1 mm |
d2 mm |
n x d3 |
D mm |
b mm |
Net weight |
25 |
20 |
150 |
190 |
105 |
75 |
4x14 |
140 |
18 |
5,60 |
25 |
160 |
215 |
115 |
85 |
4x14 |
160 |
18 |
7,90 |
|
50 |
230 |
276 |
165 |
125 |
4x18 |
250 |
20 |
20,00 |
|
40 |
20 |
150 |
190 |
105 |
75 |
4x14 |
140 |
18 |
5,60 |
25 |
160 |
215 |
115 |
85 |
4x14 |
160 |
18 |
7,90 |
|
50 |
230 |
276 |
165 |
125 |
4x18 |
250 |
20 |
20,00 |
Working and constructive characteristics:
- construction length: DIN 3202-F1, part 1;
- connecting flanges: DIN 2501, part 1;
- sealing surfaces: DIN 2526, "C" type;
- sealing: 13% Cr/13% Cr;
- body: straight;
- closing element: plate globe;
- actuating stem: rising, threaded;
- mounting position: indifferent;
- closing achieved by means of handwheel.
Working and testing regime
| Nominal pressure, bar | Temperature, °C | Testing pressure, bar | ||||||
| 120 | 200 | 250 | 300 | 350 | 400 | |||
| Max. working pressure, bar | Strength | Tightness | ||||||
| 25/40 | 40 | 35 | 32 | 28 | 24 | 21 | 60 | 44 |