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Series 290 | Angle valve with soft-pump (DN25 - 80)
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Factsheet
| Series Number | 290 |
| Series Name | Angle valve with soft-pump (DN25 - 80) |
| Description | For pumping and venting of HV systems when few turbulences, particles, substrate movements and condensation are important. |
| Actuator types | 3-position pneumatic actuator (single acting with closing spring NC), Pneumatic actuator (single achting with closing spring NC) |
| Sealing Gate | FKM (VITON®) |
| Sealing Bonnet | FKM (VITON®) |
| Feedthrough | Shaft feedthrough, Bellows |
| 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) | 25 (1") - 160 (6") |
| Body material | Aluminum; Stainless steel |
| Cycles until first service | DN25 to 50: 2 million cycles (<80°C) |
| DN63 to 80: 3 million cycles (<80°C) |
