Applied Materials MDC Vacuum Valve. VALVE, HVAC MANUAL RTANG 2-3/4 CF AL GSKT SEALED. Please contact me with any questions you may have. The item "Applied Materials AMAT MDC Vacuum Angle Valve, 2-3/4 CF 996035, 3870-03525" is in sale since Saturday, May 12, 2012.This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Semiconductor & PCB Manufacturing Equipment\Wafer Processing\Wafer Processing Components". The seller is "mayraytan" and is located in Round Rock, Texas. This item can be shipped worldwide.