Variable Leak Valves
The Agilent Variable Leak Valve includes a movable piston with an optically flat sapphire that meets a captured metal gasket. This forms a seal completely free from friction, seizing, and shear. The sapphire’s movement is controlled through a threaded shaft-and-lever mechanism that provides a mechanical advantage of 13,000 to 1.
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The Agilent Variable Leak Valve includes a movable piston with an optically flat sapphire that meets a captured metal gasket. This forms a seal completely free from friction, seizing, and shear. The sapphire’s movement is controlled through a threaded shaft-and-lever mechanism that provides a mechanical advantage of 13,000 to 1.
Features:
- For special purpose valve applications
- Range from Atmosphere to below 10-11 torr (mbar)
- Available with manual or air actuation
- No leak detectable on a helium mass spectrometer leak detector with sensitivity of 1 x 10-10 std cc/sec
- Maximum Flow Conductance 6 l/m
- Bakeable to 450º C
