CRYOGENIC
Type 27521 - Pneumatic Actuator - Globe Valve (on/off)
Overview - required actuator sizes for differential pressures
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Pneumatic Actuators for Globe Valves (on/off) Actuator - air to open, spring to close maximum air pressure for operation 6.0 bar g "cleaned and degreased for oxygen service" Ambient temperature limit: -40°C / -40°F (233K) up to +80°C / 176°F (353K) The differential pressures are based on the flow direction of the valve. Differential pressures against the flow direction have to be requested separately. |
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Overview - required actuator sizes for differential pressures
| DN | Differential pressure in bar | ||||||||||||
| 1.0
- 3.0 | 3.1
- 4.0 | 4.1
- 7.0 | 7.1
- 10.0 | 10.1
- 11.0 | 11.1
- 15.0 | 15.1
- 18.0 | 18.1
- 20.0 | 20.1
- 22.0 | 22.1
- 30.0 | 30.1
- 33.0 | 33.1
- 35.0 | 35.1
- 50.0 | |
| 10 | B | B | B | B | B | B | B | B | B | B | B | B | B |
| 15 | B | B | B | B | B | B | B | B | B | B | B | B | B |
| 20 | B | B | B | B | B | B | B | B | B | B | B | B | B |
| 25 | B | B | B | B | B | B | B | B | B | B | B | B | B |
| 32 | B | B | B | B | B | B | B | B | B | B | B | B | C |
| 40 | B | B | B | B | B | B | B | B | B | C | C | C | C |
| 50 | B | B | B | B | B | B | C | C | C | C | C | C | - |
| 65 | B | B | B | C | C | C | C | - | - | - | - | - | - |
| 80 | B | B | C | C | - | - | - | - | - | - | - | - | - |
| 100 | B | - | - | - | - | - | - | - | - | - | - | - | - |
| 150 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Code in Table | Part No. Actuator | |
| B | 27521.35B6.6GPO | |
| C | 27521.60A6.6GPO | |
| Type 27521 | Technical data | ||
| Part No. Actuator | 27521 | ||
| .35B6.6GPO | .60A6.6GPO | ||
| Diameter Actuator | M | 210 | 310 |
| Height | H | 276 | 309 |
| Height | H1 | 136 | 166 |
| Thread | G | 1/4'' NPT | 1/4'' NPT |
| Diaphragm area | cm² | 280 | 530 |
| Spring rage | bar | 0.8 - 3.0 | 0.8 - 2.8 |
| Minimum air pressure | bar | 3.2 | 3.0 |
| Regulating lift | mm | 35 | 40 |
| Weight | ca. kg | 5.0 | 12.5 |
| Dimensions in mm. |
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