Alternatively, these can be measured by weight, sometimes called the percentage of solids.Ĭritical Line Velocity – The minimum rate of flow needed to keep material turbulent enough to prevent material from settling at the bottom of the discharge pipeline, potentially leading to clogging.Ĭutter Hydraulic Pump Temperature – This is temperature of the hydraulic pump case temperature.ĭensity – The density of a liquid is defined as its mass per a set unit of volume, usually pounds per gallon. Keywords you should know when you talk pumps and dredges with your friends BBQing this weekend.Ītmospheric Pressure – The pressure exerted by the weight of the atmosphere, sea level has an average value of 101,325 pascals which is equal to roughly 14.6959 pounds per square inch.īest Efficiency Point (BEP) – An operating region or point along with the PPC at which the rate of flow of a pump operates at the highest or optimum efficiency for a given speed and impeller diameter.īrake HorsePower (BHP) – The measure of the force needed to brake the engine, the available power of an engine.īooster Pump – Surface pump used to increase or boost the pressure in a liquid pipeline.Ĭavitation – The formation of air pockets or cavities in a liquid, occurs in areas of relatively low pressure around the impeller.Ĭlose Coupled – A pump in which the impeller mounts directly to the pump drive shaft.Ĭoncentration By Volume (Cv) – The volume of solids divided by the total volume of the solution.
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