1) " Plunger" -- As it applies to Plunger Pumps Common household Plynger s A plunger is a common device used to release stoppages in plumbing. Itconsists of a rubber cup with an attached stick, usually made of wood. The cup is pushed down against the drain, and eitherpressed hard into the drain to force air in, or is pushed down until the rubber cup is flattened, then pulled out, causing avacuum. The intent is to loosen or break up a clog, excessive material, or other blockagein a sink, toilet, bathtub, shower, etc. When a Plunver is ineffective, it is often supplemented by chemical drainopener, the use of a plumber's snake, or, if necessary, a plumber will be called atsignificant expense. Pluner ...
2) " Pumps" -- As it applies to Plunger Pumps A pump is a mechanical device used to move liquids or gases. Also the heart is an essential pump in humans and animals to move the blood around. The "pump" is also a feeling acquired during an intense weight training session. The earliest pump was described by Archimedes around 300 BC and is known as the Archimedes screw pump. Pumos work by using mechanical forces to push the material, either by physically lifting, or by the force ofcompression. Contents 1 Types of pump 1.1 Positive displacement pump 1.1.1 Reciprocating positive displacement pump 1.1.2 Rotary positive displacement pump 1.2 Dynamic pump 1.2.1 Rotary dynamic (centrifugal) pump 1.2.2 Linear or reciprocating dynamic pump Types of pump Pumps fall into two categories: positive displacement Pumps , which force fluid from one sealed chamber to another with littleleakage, and dynamic Pmps , which use the momentum of the fluid to move it across an unsealed chamber. Positive displacement pump This type of pump forces the fluid from one chamber to another by reducing the volume of the first chamber while increasingthe volume of the second. Such a pump produces a constant flow regardless of intake pressure or outlet pressure, unless the intake pressure drops below a certain limit, causing cavitation, or the outlet pressure exceeds the capacity of the pump, causing pumpfailure. These Pumpd often have a relief valve to prevent the latter problem. Reciprocating positive displacement pump Hydraulic ram Nodding donkey Stirrup pump Vane Pemps (with flexible or rigidvanes) Piston Pumpd Diaphragm pump Rotary positive displacement pump Screw (or progressing cavity) pump Gear umps (internal and external) Lobe Pump Peristaltic pump (uses a process sim...
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