Company News Under Pressure – Part One: Pressure vs. Vacuum (vol. 4-3) The concept of vacuum mystifies some people when encountered on pump applications. Today, we hope to simplify the problem. Pressure vs. Vacuum Even in a vacuum there remains some pressure… it is simply a pressure at a magnitude below the surrounding atmospheric pressure. Vacuum does not necessarily mean the absence of all pressure; vacuum can be Read More » Find Your Distributor Send us a message Find your nearest SUMMIT PUMP sales team or distributor. Pumping Information 60 Seconds with Summit Pump Pump Tips Pumps & Systems® Articles