This valve belongs to my friend the vacuum physicist, and is a high end vacuum valve. It is adjusted by a 10 mm wrench or the included accessory knob. Made by VAT in Austria, this is in nice shape. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Other Vacuum Pumps". The seller is "stuffalanch" and is located in this country: US.
This item can be shipped to United States.