Series 771 | Fast closing shutter flapper type

Fast closing shutter flapper type

Fast closing isolation flap shutter as a component of a fast closing system for protecting storage rings of synchrotrons and particle accelerators, other critical systems and applications. Closure to a small leak in milliseconds. For UHV and extreme UHV systems.

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Factsheet

Series Number771
Series NameFast closing shutter flapper type
DescriptionFast closing flap shutters for protecting storage rings of synchrotrons and particle accelerators from air inrush. Closing to a small leak in milliseconds. For UHV and extreme UHV systems. Electropneumatic actuator designed for smooth closing. Controlled via controller.
Actuator typesPneumatic actuator (double acting)
Sealing Gatenone
Sealing BonnetMetal
FeedthroughBellows
Leak rate body < 1 . 10-10 mbar ls-1
Leak rate Seat < 30 mbar ls-1
Nominal inside diameters (ID) in mm (inch)63 (2 1/2") - 160 (6")
Body materialStainless steel
Cycles until first service 2'000 cycles at 5 bar compressed air pressure

Options

Valve
  • Customer specified flanges

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