Series 571 | All-metal angle valve

All-metal angle valve

Isolation valve for UHV and extreme UHV applications, e. g. for pump isolation on pumping systems, intermediate pumping of gauge ports, gas handling in tritium systems, industrial applications, R&D, labs, etc.

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Factsheet

Series Number571
Series NameAll-metal angle valve
DescriptionFor vacuum processes with extreme UHV requirements and/or low/high temperature applications.
Actuator typesManual actuator (hexagon head), Manual actuator (with position indicator), Pneumatic actuator (single achting with closing spring NC), Pneumatic actuator (double acting)
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)10 (3/8") - 40 (1 1/2")
Body materialStainless steel
Cycles until first service 10'000 cycles

Options

Actuator
  • Manual actuator with cylindrical head
  • Pneumatic actuator 10⁶Gy, bakeable to 140°C (for max. 100h)
  • Solenoid for impulse actuation, actual valve position is mantained 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
  • Position indicator for manual and pneumatic actuator bakeable 200°C (single and double position indicator)
  • Double position indicator (2 switches each for the positions "open" and "closed")
Valve
  • Customer specified flanges
  • CF-F (fixed flansch), ISO-KF, weld neck
  • Valve with different flanges (e.g.CF/KF, CF/Cayon VCR)
  • Antimagnetic version with defined permeability
  • Valve without bonnet flange, welded (as roughing valve, for tritium systems)
  • Inline valve
  • T-valve

Accessory

  • Series 330 - Flange connections CF
  • Hand wheel compl. (DN 40) - Part Nr.: 96866-R1
  • Hand wheel with free wheel (for cylindrical head DN 40) - Part Nr.: 93857-R1
  • Hand wheel compl. (DN 16) - Part Nr.: 219032
  • Hand wheel with free wheel (for cylindrical head DN 16) - Part Nr.: 219033

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