Stand was designed to test pneumatic and vacuum components of various aircraft systemsThe multiple station unit consists of 3 stainless steel sections joined togetherA containment chamber in the center section safely allows proof testing up to 3500 psigEach section has several air pressure and vacuum systems, plus 120 Volt, 60 Hz, 400 Hz, and DC electrical circuitsDigital flow rate displays in different ranges supplement the pressurevacuum instrumentation