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
|
4×14
|
140
|
18
|
5,60
|
25
|
160
|
215
|
115
|
85
|
4×14
|
160
|
18
|
7,90
|
|
50
|
230
|
276
|
165
|
125
|
4×18
|
250
|
20
|
20,00
|
|
40
|
20
|
150
|
190
|
105
|
75
|
4×14
|
140
|
18
|
5,60
|
25
|
160
|
215
|
115
|
85
|
4×14
|
160
|
18
|
7,90
|
|
50
|
230
|
276
|
165
|
125
|
4×18
|
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 |