Series 471 | RF all-metal gate valve

RF all-metal gate valve

Used as sector valve in storage rings of synchrotrons and particle accelerators. The special RF aperture minimizes the RF resistance in the open valve position and provides electrical contact between the flanges. Sectors of storage rings can be leaktightly isolated.

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Factsheet

Series Number471
Series NameRF all-metal gate valve
DescriptionSector valve for storage rings in accelerators and synchrotrons. Isolation valve in microwave transmission lines.
Sealing technologyVATRING-System
Sealing GateMetal
Sealing BonnetMetal
FeedthroughBellows
Leak rate body < 1 . 10-10 mbar ls-1
Leak rate Seat < 1 . 10-10 mbar ls-1
Nominal inside diameters (ID) in mm (inch)200 (8") - 200 (8")
Body materialStainless steel
Cycles until first service DN 200 (8") - DN 250 (10"): 5'000 cycles

Options

Actuator
  • Pneumatic actuator compact 10⁶ Gy, bakeable to 140°C (for max. 100h)
  • Pneumatic actuator extended 10⁶ Gy, bakeable to 140°C (for max. 100h)
  • Solenoid for impulse actuation: actual valve position is maintained at power failure
  • Solenoid for 12, 48 V DC
  • Solenoid for 24, 48, 100, 115, 200, 230 V 50 Hz
  • Solenoid for 24, 100, 115, 200, 230 V 60 Hz
  • Solenoid radiation resistant to 10⁶ Gy (standard 10⁴)
  • Position indicator for pneumatic actuator bakeable to 200°C (single and double position indicator)
  • Double position indicator (2 switches each for the positions "open" and "closed")
  • Manual actuator bakeable to 140°C or 200°C
  • Position indicator for manual actuator bakeable to 80°C or 200°C (single and double position indicator)
Valve
  • Customer specified flanges
  • Antimagnetic version with defined permeability
  • Customer specified RF aperature
  • Cu Be material for RF contacts
  • Waveguide
  • Ports for roughing (by-pass), venting or for gauges

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