A patented anti-suckback valve with its integral rubber seal prevents oil from migrating back into the vacuum system should the motor be stopped inadvertently. Mechanical Diaphram Pumps Dry diaphragm pumps are oil-free, compact, and inexpensive. The Varian VacSorb Pump was the first commercial sorbtion pump developed for industrial use. The standard size VacSorb Pump contains nearly 300 acres of surface area to adsorb gases. Mist eliminators for the exhaust of rotary-vane mechanical pumps condense outbound oil vapor that is present in high throughput applications.
Dust filters prevent particulate matters from entering the pump.
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