Pumps and Systems, March 2009 Any time a measuring instrument is used in a plant, it is expected to provide reliable results.  This is especially true in closed pipeline systems in which it is...
Figure IR1 Figure 1 shows a typical three-phase fused power disconnect. The corresponding infrared image, Figure IR1, was taken with the emissivity setting at 1 on our thermal imager. The temperature...
Pumps & Systems, February 2009 Last month, we discussed thermal radiation and material properties and the thermal nature of materials. We also looked at the emissivity of real objects using a...
Although the cost of a component inside a hydraulic pump, such as a rolling element bearing, rotor or fastener, is often low compared to the total cost of the pump, the costs of production downtime...
Pumps and Systems, May 2009 With the growth of wind farms, users are turning to condition monitoring and automatic lubrication systems for increased reliability. The scope of this year's Windpower...
Pumps & Systems, February 2009 A dangerous misconception exists regarding the "Arc Rating" of infrared (IR) windows or viewing panes. Many reliability and maintenance professionals are under the...
Pumps & Systems, September 2007 Economic pressures to minimize production downtime and improve operating efficiency are increasing the emphasis to accomplish on-site problem detection, analysis,...
Pumps and Systems, May 2009 Find out why level controls can fail in municipal wastewater treatment plants and similar systems and what technologies are available to combat failure. Leaving the...
Pumps and Systems, May 2009 One of the most neglected tools in the vibration analysis toolbox is phase. This neglect is partially due to the extra time and effort often necessary to collect the...
Although the use of transmitters in pressure measurement is growing, mechanical pressure gauges are still used on most systems as local pressure display to back up electrical readings. The selection...
Pumps & Systems, January 2009 The Village of Mundelein, Ill., 35 miles northwest of Chicago, had a growing water demand and needed options for managing the increasing demand. Rob Haley, village...
Pumps and Systems, April 2009In today's growing industrialized market, the need for reciprocating pumps is increasing daily. As technology drives modernization, the demand placed on the pumping...
Pumps and Systems, January 2007 Monitoring motor-pump combinations for signs of impending problems provides useful information to prevent pump failure and minimize costly downtime. Since rotating...
Pumps and Systems, January 2007 Picture a manufacturing enterprise with plants in multiple locations around the world. Using a single automation platform that handles discrete, process and motion...
Pumps and Systems, May 2009   Editor's Note: This article is the first in a series about machinery health. To read the next article, click here. Determining the correct maintenance strategy...
Pumps & Systems, September 2007 With the old mechanical displacers, level fluctuations ran 4-in to 5-in with a lot of hysteresis and frequent failures, causing operators to control at much higher...
Pumps & Systems, January 2009  Mechanical pressure gauges, which require no external power, provide an affordable and reliable source of accurate pressure measurement. Using the...
Pumps and Systems, July 2009 Editor's Note: This is the second article in a series about machinery health, to read the previous article, click here. Potential to Failure (P-F) curves graphically...
Pumps & Systems, September 2007 SCADA can be utilized for remote data acquisition, but because it is primarily a real-time control system, the user must make significant compromises to use it for...
Understanding technology capabilities and application requirements is important when selecting a wireless technology for an application. The reasons to choose wireless include reduced installation...
Pumps & Systems, September 2007 The level transmitter is a small but vital component in a sewage lift or pump station that helps maintain system integrity and avoid unwanted spillage. There are...
Pumps and Systems, August 2009One of the major contributors to unbalance in rotating machinery is eccentricity. When we disassemble parts, we must also reassemble them. Even if the reassembly requires...
Pumps and Systems, June 2009 In my experience, there are three types of maintenance philosophy regarding vibration programs: No philosophy at all Utmost attention with zeal Attention to...
Pumps & Systems, December 2008Editor's Note: This is part two of a three part series about variable speed pump selection. To read the previous article, click here. To read the next article in...
Pumps and Systems, June 2009 Of the technologies available for condition monitoring of rotating equipment, the quickest return on investment is from vibration analysis. For the novice, vibration data...
An 1,800 MW power station in the Midwest experienced constant trouble with four of its four-stage boiler feed pumps, which were driven by steam turbines and operated at variable speed to meet the...
Pumps and Systems, January 2007 Last August, after a heated and protracted debate, the International Astronomical Union stripped Pluto of the planetary status it had held since its discovery in 1930....
Pumps and Systems, January 2007 Paddle wheel flow sensors not only continue to remain strong in industrial applications, their use is growing. Because these devices offer the lowest cost per sensing...
Wireless technology is part of our everyday lives in the home and office. From garage door openers and television remote controls, to cellular telephones and wireless Internet access, radio frequency...
Pumps and Systems, May 2009 Read how WirelessHART can be implemented in large process plants despite the distances needed for the network. When we think of wireless networks, we typically think of...