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Manual Right Angle Leak Valves

Leak valves are used for controlling gas introduction into high and ultra-high vacuum systems. These valves utilize an optically flat sapphire poppet and a metal seat, allowing bakeout temperatures to 450ºC. Valves are manually actuated by a cantilever arm with precision adjustment threads. 
  • Fully opening for improved conductance
  • Aluminum body with or without hard anodization
  • Wide variety of O-ring compounds available
  • Sizes from 6" to 14"
  • Seals against 1 atmosphere delta-P
Leak valves are used for controlling gas introduction into high- and ultra-high vacuum systems. They utilize an optically flat sapphire poppet and a metal seal seat, allowing bakeout temperatures to 450ºC. These valves are manually actuated by a cantilever arm with precision adjustment threads. The adjustment knobs can be set to allow controlled leak rates as small as 1x10-10 Torr l./sec. Replacement sapphire and gasket assemblies are available. 

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