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Bearing pumps
Adopting the new ANSI/ASA shaft alignment standard
Shaft alignment is a critical step in the installation of a rotating machine, in a new installation or a repaired machine. Skipping or rushing this step may decrease operating efficiency and shorten the…
What degree of impeller balancing should be used to limit pump vibration?
What degree of impeller balancing should be used to limit pump vibration?
High levels of residual unbalance in rotating parts can generate high unbalance forces causing excessive loading on bearings and…
What is bowl efficiency? | Pumps and systems
IMAGE 1: VS1—Column pumps, deep well (set) vertically suspended, single casing (images courtesy of the Hydraulic Institute)
What is bowl efficiency and is it different from pump efficiency?…
Your guide to expansion joints in pulp and paper
The pulp and paper industry provides products, such as stationery, cups, tissues, and paper-based packaging, including cardboard, that are an integral part of modern life. The manufacturing process of…
Wall Street Pump & Valve Industry Watch, May 2022
The Jordan, Knauff & Company (JKC) Valve stock index is up 7.3% over the past 12 months, and the broader S&P 500 index is up 12.7%. The JKC pump stock index rose 8.5% for the same period.1…
What to know when working with corrosive liquids
A corrosive liquid is a fluid that attacks and destroys materials with which it comes into contact. Metals, stone, glass, and even some types of plastics can be susceptible to corrosion by corrosive…
Visual inspections increase the life of the centrifugal pump
While there are many reasons why centrifugal pumps fail, a high percentage can be attributed to bearing failure caused by lubrication issues. In fact, according to a leading bearing manufacturer,…
The Misunderstood Liquid Ring Vacuum Pump
When selecting the right equipment for an application, the liquid ring vacuum pump can be considered archaic and inefficient. However, labeling this technology that way may be an oversimplification.…
Analysis of the dynamics of bearings and rotors in vertical and horizontal pumps
Problems with rotor bearing systems are one of the major factors in pump failure. Today, pumps are often designed to operate at increased speeds and loads to improve their efficiency. These operating…
How should I determine which spare parts to keep on hand?
How do you decide which spare parts to keep on hand?
The list of recommended spare parts will depend on the pumping design, the application and factors such as the supplier's normal lead…
Selecting the right boiler feed pump
How do I determine which type of boiler feed pump to select?
Boiler feed pumps can range from serving relatively small commercial boilers to large power plants. Small boilers can use a variety of pump…
Optimization of the pumping of viscous liquids from railway tank cars
There is nothing unusual about the pumps used for unloading railway tank cars. Unloading wagons loaded with liquid tar, on the other hand, is less common. Due to its high viscosity, the raw material is…
Valve solutions for mine dewatering
Water is an essential resource in all mining operations. Water is used in many processes including hydrotransport, solution leaching, dust control, screening and separation, to name a few. Reducing…
Narrower focus brings clarity of strategy, USP for SPX FLOW
Last March, as the world began to understand what the new coronavirus threat really meant, SPX FLOW divested its Power & Energy unit, a move that proved timely as companies scrambled to maintain…
Free Webinar: Between Bearing Pumps: Bearing the Weight of Failure
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Doug's StoryRegional renovation specialistSulzer
Doug provides services and solutions to better match pumps to their respective applications, ensuring optimum pump performance, improved reliability and lower operating costs.…
Why is the Crompton line of agricultural pumps the smarter choice for farmers?
The sun never sets for Pravin Jamkhandi, a 49-year-old farmer. He is the only one of the four brothers to continue farming and works on his 6.2 hectares of land. He grows hybrid cucumbers, often referred to as âChinese…