Ex nihilo is a Latin phrase meaning out of nothing,â which often appears in conjunction with the concept of creation, as in creatio ex nihilo, meaning creation out of nothing.â Not only do scientists think the Universe was created out of nothing, or that nothing existed before the singularity, but even Creationists, those who believe God created ...
There are two main categories of diaphragm valves: one type seals over a weir (saddle) and the other (sometimes called a full bore or straight-way valve) seals over a seat.
There are three ways to regulate the flow of a diaphragm pump. 1  Increase or reduce air pressure, ensuring you are within the pumpâs operating limits. 2  Increase or decrease the amount of air volume using a valve on the air line.3  Open or close a valve on the fluid discharge.iaphragm pumps will move nearly any kind of fluid. Some common examples of fluids pumped using a diaphragm pump are water, oil and acid. Diaphragm pumps are capable of pumping high viscosity fluids from adhesives and gear oils to hand lotions, surfactants and resins. The rule of thumb: If it pours, it pumps.