The AV10K is manufactured in aluminium alloy. It has a control knob attached to a skrew actuated plunger: turn the control knob clockwise to close the valve. A nitrile O-ring seals the plunger to the valve body. The valve can be pipeline supported only and is connected to the vacuum system with an NW10 fitting.
Click here to download the PDF file: Measurement and Control
Click here to download the PDF file: Vacuum Valves and Fittings