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.
Hayes Pump distributes Sandpiper Pumps by Warren Rupp. This broad line of air-operated double diaphragm (AODD) pumps specializes in offering Standard Duty, Containment Duty, Heavy Duty Ball and Heavy Duty Flap Valve pumps, Special Duty and Natural Gas Pumps. Surge Dampeners, Filter Regulators and Level Controls.