Specialized software helps end users address problems before they happen.
Coal-burning power plants can expect higher returns by installing pinch valves in emissions scrubbers.
LNG benefits have increased the demand for this cleaner burning fuel and associated production and distribution equipment.
Surge Control in Pumping Stations
This primer presents basic surge control principles and the functions of various valves associated with pumping stations.Water pipelines and distribution systems are subjected to surges almost daily,...
The Benefits of Pump Restoration and Coating
Part one of a two part seriesLast April, I received an email from Paul Maier of the Monroe County Water Authority (MCWA) in Rochester, N.Y. Paul attached a copy of his 2009 WEFTEC presentation and...
Theory, Applications and Sizing of Air Valves
Editor's Note: Due to the high number of responses from our readers for more information regarding valve applications in "Surge Control in Pumping Stations" (Pumps & Systems, March 2007), this...
Part one of two: This column discusses valves and fittings and evaluates how these devices affect the operation of piping systems.
End users must be aware of the valve emission standards to meet industry requirements.
Valve Helps Meet Fire Flow Demands
Millcreek Township connects to neighboring township with a pressure-reducing valve with integral backup.The Millcreek Township Water Authority (MTWA) near Erie, Penn., was created in 1974 to provide...
Valve Selection for Lime Slurry Service
Pinch valves are ideal in applications involving scale and buildup.
The Jordan, Knauff & Company (JKC) Valve Stock Index was up 27.8 percent during the last 12 months, above the broader S&P 500 Index which was up 16.4 percent. The JKC Pump Stock Index was up 28.7...
The Jordan, Knauff & Company (JKC) Valve Stock Index increased 28.5 percent during the last 12 months, comparable to the broader S&P 500 Index, which was up 28.1 percent. The JKC Pump Stock Index was...
The Jordan, Knauff & Company (JKC) Valve Stock Index was up 10.4 percent over the last 12 months, while the broader S&P 500 Index was up 17.8 percent. The JKC Pump Stock Index was up 26.5 percent for...
Wall Street Pump and Valve Industry Watch August 2011
The Jordan, Knauff & Company (JKC) pump and valve stock indices outperformed the broader S&P 500 Index. The JKC Valve Stock Index was up 37.9 percent over the last 12 months, above the broader...
The Jordan, Knauff & Company (JKC) pump and valve stock indices outperformed the broader S&P 500 Index. The JKC Valve Stock Index was up 37.9 percent over the last 12 months, above the broader...
Wall Street Pump and Valve Industry Watch September 2011
The Jordan, Knauff & Company (JKC) Valve Stock Index was up 11.0 percent over the last 12 months, slightly below the broader S&P 500 Index which was up 14.8 percent. The JKC Pump Stock Index...
Water Hammer (Part Two): Causes and Variables
Last month we used a hypothetical example to illustrate the onset and effects of water hammer. This month we will investigate its major causes and gain an even better perspective on the variables that...
The valves, 78 and 84 inches (1.9 and 2.1 meters) in diameter, were the largest the manufacturer had ever produced.
Q. When selecting wetted pump parts, how much consideration should be given to the temperature of the pumped liquid? A. Handling liquids at temperatures below 32 F (0 C) or above 250 F (120 C)...
Pumps & Systems, November 2007Our repair shop came upon a customer that purposely buys oversized pumps and immediately operates them at nearly 80 percent closed valve. Each year, after the hot...