Edwards Speedivac - High Vacuum Valve - used - spare / repair. Quite literally a barn find.I do not have a clue what it's for or how to test it, so therefore I can't test it. Also it is very heavy, so collection from Little Crosby village, Crosby, Liverpool, L23. Please check out out my many other items, thanks. The item "Edwards Speedivac High Vacuum Valve sp/rep" is in sale since Monday, March 29, 2021. This item is in the category "Business, Office & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Rotary Vane Pumps". The seller is "walsh0151" and is located in Liverpool. This item can't be shipped, the buyer must pick up the item.