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.

For special-purpose valve applications
Range from atmospheric pressure 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 450 °C

Part Number Variant

9515106 Variable leak valve, with 1.125 inches, (NW16) ConFlat flange gas inlet
9530072 Sapphire assembly for variable leak valve
9535050 Gasket assembly for variable leak valve
9515117 Adapter kit, for Agilent variable leak valve, 1.33 in ConFlat to flare fitting
9620014 Repair and tool kit, for variable leak valve

New, factory warranted pumps available.

Price: POA, please contact us for latest prices

Manual

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Service Information

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