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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 |