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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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