We are pleased to offer our Vindum Engineering line of constant volume and needle valves, also know as CV valves and MV valves. Our valves are good for high pressure (up to 20,000psi) and high temperature (up to 160C) applications. We offer air actuated on/off as well as 3-way/4-position valves up to 20,000psi. Our manual valve system utilize our o-ring/backup-ring design eliminating packing leaks.