PD Pump Fundamentals, Design and Applications (Part Four ...
2009年4月21日 · Reciprocating Pump Overview. Since the third century B.C. when an Alexandrian named Ctesibus built a basic hand pump that could transfer water, reciprocating …
Reciprocating Pumps vs. Multi-Stage Centrifugal Pumps
2009年6月8日 · Reciprocating Pump. In regards to the reciprocating pump, there are only two efficiency losses which need to be considered, namely Volumetric and Mechanical. Volumetric …
Reciprocating Piston Pumps & Their Applications
2024年5月6日 · These reciprocating piston pumps are also called stick pumps, as the pumping section resembles a long stick that is intended for use with industry-standard containers. …
The Basics of Reciprocating vs. Centrifugal Pumps
2019年8月21日 · The demand for the duties that fall within the performance range of reciprocating pumps is rising. Process flows are falling while the pressures required are increasing. …
The Hydraulic Performance of Reciprocating Machines
2021年8月30日 · A reciprocating pump in a high-head, low-flow application could have a high efficiency (90%) compared to the single-digit efficiency of an equivalent centrifugal machine. …
10 Key Facts About Reciprocating Pumps - Pumps & Systems
2015年7月7日 · In general, a reciprocating pump is more efficient than a centrifugal pump. Reciprocating machines are generally applied on low-flow/high-head service. Centrifugal …
Positive Displacement Pumps (Part One): Reciprocating Pumps
2009年8月31日 · Reciprocating Pumps. The piston pump is one of the most common reciprocating pumps. Prior to the development of high speed drivers, which enhanced the …
The History of Pumps: Through the Years - Pumps & Systems
2011年12月22日 · 1927 Aldrich produces the first variable stroke multi-cylinder reciprocating pump. 1928 Worthington-Simpson produces the world's largest steam-driven pumping engine …
Actual NPSH Test - Reciprocating Pump and What is a Safe NPSH …
2010年1月3日 · He authored a book on reciprocating pumps, several magazine articles and the two pump sections in Marks' Handbook (11th Edition). He has been awarded six patents. …
What Is Acceleration Head and How Can it be Calculated?
2021年3月8日 · An example of the pulsating from a reciprocating pump is shown in Image 1. This shows how the flow starts and stops with every cycle, which requires accelerating the liquid …