Pressure Switches | Vacuum Switches | Differential Switches - DesignFlex Switch Sensors USA :: DesignFlex Switches Home
Vacuum System Pressure Control Switch Pump Regulator Attenuator:Full Range from Upto 29 inch Hg, Adjustable Range and Span Differential Pressure: Amazon.com: Industrial & Scientific
Adjustable vacuum switch - All industrial manufacturers
181P NEMA 4X and 13 Adjustable Vacuum Switch | Neo-Dyn
Vacuum Switch - Eurovacuum
Custom 24VDC Negative Vacuum Digital Adjustable Pressure Switch for Water Oil Gas - China Intelligent Control, Digital Pressure Switch | Made-in-China.com