historical-pump-circa-1940’s Sizes: 150 × 150 / 300 × 221 / 750 × 553 / 480 × 300 / 600 × 300 / 950 × 700 Gallery Utah Lake Cascade Pump Vertical Turbine Pumps, Deep Well Parley’s Water Treatment Plant. Photo credit SLCdocs.com Frame-mount Centrifugal Pumps Gorman-Rupp SF Series® Submersible Solids-handling Pump Bowl wear ring Close-Coupled Vertical Turbine 380 Series Vertical Inline Pump with VFD Model 411 Horizontal Split Case Machinist at Nickerson Company running a state-of-the-art CNC machine. Bowl wear ring Impeller wear ring Custom shapes cut from raw materials. Photo courtesy of On the slopes 80 Series® Engine Driven Vertical Lathe Computer Numerical Control Machine (CNC) at Nickerson Horizontal Lathe Submersible Turbine Pumps Schlumberger Pump Assembly Computer Numerical Control Machine (CNC) at Nickerson Model 342A Single Stage End Suction National Pump Vertical Turbine Pumps, API 610 Well Pump Installation CNC machine, where computers are used to control the movement and operation of the mills, lathes, and other cutting tools. Horizontal Lathe Figure 1. The general arrangement of a three phase waveform. Utah Lake Cascade Pump Horizontal Lathe Super T Series® Engine Driven Vertical Lathe Figure 3. Three phase power has three identical sine waves overlapping at an offset of 2π/3 radians or 120°. When one phase reaches an x-intercept or node the next phase is only 30° and approximately 5.6 milliseconds from reaching its crest. Nickerson Field Crew “NSF/ANSI 61.” NSF RSS. The Public Health and Safety Organization, n.d. Web. 07 June 2017. Custom fabrication to a large part SF Series® Figure 2. A simple sine wave with a period of 360° and an amplitude of 1. In single phase power the x-intercepts are 180° from each other. A full period is 360°. A single phase motor has a crest approximately every 16.5 milliseconds giving the motors a tendency to vibrate more, which may contribute to a shortened bearing life. 3800 Series, Single Stage End Suction Impeller wear ring Ultra V Series® and UltraMate® Image Info Dimensions 950 × 700 Name historical-pump-circa-1940s.jpg Mime Type image/jpeg Type JPG Size 97.65 KB