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Series 244 | Vacuum angle valve (DN10 - 250)
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Factsheet
| Series Number | 244 |
| Series Name | Vacuum angle valve (DN10 - 250) |
| Description | For pumping and venting of vacuum systems with large gas flows. |
| Actuator types | Manual actuator (hand wheel removable), Pneumatic actuator (double acting), Pneumatic actuator (single achting with closing spring NC or opening spring NO) |
| Sealing Gate | FKM (VITON®) |
| Sealing Bonnet | FKM (VITON®) |
| Feedthrough | Shaft feedthrough |
| Leak rate body | < 1·10-9 mbar ls-1 |
| Leak rate Seat | < 1·10-9 mbar ls-1 |
| Nominal inside diameters (ID) in mm (inch) | 10 (3/8") - 320 (12") |
| Body material | Aluminum; Stainless steel |
| Cycles until first service | Depending on SIZE and TEMPERATURE: |
| MANUAL ACTUATOR: 10.000 cycles | |
| Pneum. DOUBLE ACT.: 2 mio cycles | |
| Pneum. SPRING CLOSED/OPENED.: 1-3 mio cycles |
