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Help CenterAIR RELIEVE VALVE
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Specifications
Nominal pressure: 1.6MPaShell pressure: 2.4MPa
Seat pressure: 1.76MPa
Suitable medium: water
Temperature: 120oC
AIR RELIEVE VALVE:
Dimensions(mm):
SIZE (DN) |
D |
D1 |
D2 |
B |
f |
n-d |
40 |
150 |
100 |
84 |
19 |
3 |
4-19 |
50 |
165 |
125 |
99 |
19 |
3 |
4-19 |
65 |
185 |
145 |
118 |
19 |
3 |
4-19 |
80 |
200 |
160 |
132 |
19 |
3 |
8-19 |
100 |
220 |
180 |
156 |
19 |
3 |
8-19 |
125 |
250 |
210 |
184 |
19 |
3 |
8-19 |
150 |
285 |
240 |
211 |
19 |
3 |
8-23 |
200 |
340 |
295 |
266 |
20 |
3 |
12-23 |
250 |
405 |
355 |
319 |
22 |
3 |
12-28 |
300 |
460 |
410 |
370 |
24.5 |
4 |
12-28 |
Material list:
NO. |
Name of part |
Material |
British standard |
Chiness standard |
1 |
body |
ductile iron |
BS2789 Gr500-7 |
GB1438 QT500-7 |
2 |
float ball |
plastic ABS |
ISO 2580 |
ISO2580 |
3 |
bolt |
steel |
BS970 43A |
GB700-88 Q235 |
4 |
ball seal large orifice |
EPDM |
BS2494 TYPE W |
|
5 |
large orifice cover |
ductile iron |
BS2789 Gr500-7 |
GB1348 QT500-7 |
6 |
dust cap |
ductile iron |
BS2789 Gr500-7 |
GB1348 QT500-7 |
7 |
nut |
steel |
BS970 43A |
GB700-88 Q235 |
8 |
washer |
steel |
BS970 43A |
GB700-88 Q235 |
9 |
float ball |
plastic ABS |
ISO 2580 |
ISO 2580 |
10 |
screw plug |
brass |
BS1400 PCB1 |
GB1176-87 ZcuZn40Pb2 |
11 |
ball seal large orifice |
EPDM |
BS2494 Type W |
|
12 |
gasket |
EPDM |
BS2494 Type W |
|
13 |
bolt |
steel |
BS970 43A |
GB700-88 Q235 |
14 |
sealed orifice |
EPDM |
BS2494 Type W |
|
15 |
screw plug |
brass |
BS1400 PCB1 |
GB1176-87 ZcuZn40Pb2 |
16 |
small orifice cover |
ductile iron |
BS2789 Gr500-7 |
GB1438 QT500-7 |
17 |
nut |
steel |
BS970 43A |
GB700-88 Q235 |
18 |
washer |
steel |
BS970 43A |
GB700-88 Q235 |
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