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In any business that provides services or products, a well-defined plan of identifying segments of the buying community that best fit the offerings of the company are essential. R.C. Worst & Co. has continued to reevaluate its marketing and sales plans to meet the most current needs of existing and potential customer bases as buying demands change. But, some things never change for quality, long-standing service and sales institutions such as R.C. Worst & Co. One of the constants of this 60...

Joe Evans, Ph.D www.pumped101.com When we start the pump selection process for a particular application, one of our major concerns is efficiency. If several different models, of similar quality, meet our conditions we will usually select the one with the highest efficiency. After all, higher efficiency reduces the cost of electrical power. There are times, however, when efficiency can take a back seat to the true, overall cost of operation. Solids handling pumps used in municipal and...

Mark Gross, Ph.D., P.E. I have a friend who always told me “bad data is worse than no data at all.” That can certainly be true in the case of using analytical data to make a decision regarding the performance of a small wastewater treatment system. In some cases, field performance verification is required for wastewater treatment systems. Also, nearly all National Pollutant Discharge Elimination System (NPDES) permitted wastewater treatment systems are required to be sampled and analyzed for...

When Robert Charles Worst “RC” offered to buy out his father-in-law, Fred Brown’s complete share of Brown Construction Company in 1953, one has to wonder what Mr. Worst was thinking. Did he know his business decision would result in a 65+ year legacy including contributions by his son, two grandsons, one great grandson, and an excellent group of fine employees? Robert Charles Worst – “RC” RC lived through tougher times and always looked at every job as an opportunity to demonstrate efficiency...

Hydraulic Institute. (Figure 1)NPSHA is the net positive suction head available of the system to the pump, and it is calculated during design and construction or determined from the actual system. And a valid equation to determine the NPSHA is:Where:Pb = atmospheric pressure (barometric pressure)Pv = vapor pressure of the delivery fluidPi = pressure in the closed intake vesselPs = pressure at the suction branch? = density of the delivery fluidci = velocity of the fluid in the intake vesselcs =...