A vacuum erection device, sometimes called a vacuum pump or penis pump, is an external acrylic pump that a man uses to get and maintain an erection. The VED consists of a cylinder that goes over the ...

What Does a Penis Pump Do? A penis pump is a vacuum device that can help your penis get hard and stay hard for penetrative sex. You might use one if you have erectile dysfunction (ED), which is ...

High vacuum lines and valves should be designed in accordance with the nominal pumping speed of the high vacuum pump. Otherwise, there will be considerable losses in the effective pumping speed due to ...