To maintain its 24/7 schedule, a US chemical plant relies on ammonia shipped via a 14-mile-long pipeline. However, when repairs came due an alternate method of transfer was needed. The solution was a skid with a booster pump powerful enough to meet the pressure and volume demands. A Blackmer sliding vane pump fitted the bill. 25 February 2010
Pump consultant, Brian Nesbitt attempts to clarify the technical language used by pump engineers by explaining common terms used in conjunction with pump application and pump design. 23 February 2010
Despite the tight credit markets and challenging global economy, 2008 saw further consolidation within the pump sector. Listed below are the transactions that took place during the first and second quarters of 2008. Third and fourth quarter deals were published in the February 2009 issue of Pump Industry Analyst. Subscribers to Pump Industry Analyst have access to a 4-year archive on the website as part of their annual subscription. 03 June 2009
Comprehensive and interrelated communication between the field units and a central control station is indispensable in the modern process industry. This is particularly so where many pumps are performing delicate and accurate operations. Ralph Held, director of engineering and product management of sera at Seybert & Rahier GmbH discusses how a new generation of diaphragm dosing pumps lends itself to automation. 22 May 2009
The performance and cost effectiveness of many portable medical devices can be enhanced by tailoring miniature diaphragm pumps and solenoid valves to meet system requirements. Dan Schimelman of Hargraves Technology examines the issues together with recent advances in fluidic components. 23 March 2009
A competitive specification-cost ratio led a manufacturer of functional diagnosis equipment to choose Watson Marlow Pumps’ 314DK peristaltic pump head for its urodynamic systems. 19 March 2009
In this article, Martijn Haan of Verder BV first considers the general construction and action of air operated double diaphragm (AOD) pumps, before discussing the particular advantages of plastic pumps for the safe handling of aggressive and toxic liquids. 05 March 2009
A private health club in the UK wanted the best bathing water for its 8,000 customers. A combination of new filters and Grundfos-Alldos dosing pumps and controllers created an accurate and easy-to-measure system which made swimming a pleasure again. 02 March 2009
Various wastewater treatment processes require the controlled dosing of chemicals into the process stream either to assist the treatment or to remove undesirable elements. In order for the dosing pumps to work efficiently, works operators need to be constantly aware of what is happening in the treatment process so that dosing levels and speeds can be adjusted accordingly. UK-based Partech Instruments has developed feed forward control systems employing on-line analysers in the inlet stream to send real-time data to a dosing control system for automatic adjustment of the dosing pump. Bryan Orchard reports. 02 March 2009
Rainwater leachate from metal and chemical industrial process waste is extremely dangerous and creates a highly inhospitable environment for pumps. Tsurumi supplied its cast iron KTZ pump range for transporting the highly corrosive liquid and matched the client's requirements for a lightweight and robust product. 02 March 2009
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