Articles

161-180 of 245 < first | | | last >
  • Control valve diagnostics

    Health monitoring leaves fewer reasons to live with stiction, wrong-sizing and excessive wear.

    Sheila Kennedy
    10/19/2007
  • Monthly Preview: December 2007

    Here's a look at what will soon be featured on ChemicalProcessing.com. Be sure to check back for the latest articles, news and columns before you see it in print.

    10/02/2007
  • Equipment & Services: August

    Chemical Processing's Equipment & Services feature provides a variety of production equipment, supplier services and parts.

    08/22/2007
  • Equipment & Services: July

    Chemical Processing's Equipment & Services feature provides a variety of production equipment, supplier services and parts.

    07/24/2007
  • Properly protect centrifugal pumps

    Consider various factors when selecting how to guard against low flow, Andrew Sloley says in this month's Plant Insites column.

    Andrew Sloley, contributing editor
    07/11/2007
  • Equipment & Services: June

    Chemical Processing's Equipment & Services feature provides a variety of production equipment, supplier services and parts.

    06/07/2007
  • Equipment & Services: May

    Chemical Processing's Equipment & Services feature provides a variety of production equipment, supplier services and parts.

    05/08/2007
  • Control valves for slurry service

    In this installment of Ask The Experts, noted process control authority and CONTROL Columnist Béla Lipták and his cadre of automation experts answer a reader’s question regarding control valves for slurry services.

    05/01/2007
  • Optimize pump life cycle

    Understanding an operating system reduces costs and improves reliability. Getting the most out of your pump demands a well-thought-out, holistic strategy.

    Tom Carsten and Barry Erickson, Flowserve
    04/30/2007
  • Final control

    What’s the latest on control valves? Here's a look at the current marketplace for the final element that all control stuff is aimed at—the control valve that produces the end result.

    Walt Boyes, Editor in Chief
    04/17/2007
  • Equipment & Services: March

    Chemical Processing's Equipment & Services feature provides a variety of production equipment, supplier services and parts.

    03/28/2007
  • Don’t let parallel pumps cross you up

    Small differences with parallel pumps can lead to big difficulties, according to Andrew Sloley in this month's Plant InSites column.

    Andrew Sloley, contributing editor
    03/28/2007
  • Sample pump eliminates emissions

    A compact system significantly improves analyzer accuracy. This innovative turnkey solution for analyzer emissions is a solid-state pump with an ultra-sensitive pressure regulator that mixes a compatible gas with the analyzer samples to achieve a constant vent header pressure — even during times of plant upset.

    Kazi Hassa, Parker Hannifin
    03/20/2007
  • How hydraulic modeling can improve the efficiency of your pump systems

    In spite of their large operating cost, most pump systems are inefficient by design. Among the common design problems are non-optimal pipe sizing, control valve utilization and, perhaps most common, incorrectly sized pumps. How a pump operates depends on the system, so improvements must focus on the system as a whole.

    Tom Glassen
    02/20/2007
  • Flowmeters clean and dirty

    ControlGlobal.com contributor David W. Spitzer provides a look from a process automation perspective at how magmeters and Venturi meters are vying with ultrasonics for clean and dirty water applications.

    David W. Spitzer
    11/09/2006
  • Consider changing the speed not the pump

    Chemical Processing's Contributing Editor Andrew Sloley advises that instead of reflexively resorting to brute force to provide enough head, adjusting the pump speed might make for a better solution.

    Andrew Sloley, contributing editor
    11/01/2006
  • Avoid trouble with slurries

    Handling slurries (a mix of solids and liquids), should be based on experience and experiments, not theory. Much of the knowledge obtained from pneumatic conveyors and fluidization systems can be used in understanding slurries.

    Thomas R. Blackwood, Healthsite Associates
    11/01/2006
161-180 of 245 < first | | | last >