VacOil® offers a range of valves for your vacuum application. Right angle valves include automatic, manual and pneumatic valves. Inline valves are not shown below, but can be purchased upon request. Pneumatic valves, also known as poppet valves, are ideal for high vacuum systems. Valves built in either Stainless Steel or Aluminum construction. Available in NW 16, NW 25, and NW 40 connections. Operating pressure 30 psi to 7.5 x 10^-10 torr l/s.