Anver Corp. offers miniature vacuum solenoid, relief, and ball valves. Vacuum solenoids come in three styles: Manifold Mount A-DI, Body Ported A-DP, and A-DG. Nominal diameter ranges from 0.031" to 0.090" and the maximum pressure range is -14.5 to 101.5. Relief valves adjust from 6" Hg to 27" Hg, and are made of nickel plated steel/stainless steel materials. Vacuum valves have a temperature range of 0 to 160°F, a maximum vacuum of 29" Hg, and a maximum pressure of 250 psi.