Emission System Provider Meets Tight Delivery Deadline Despite Need to Replace Component Supplier at the Eleventh Hour

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When The Hanover Company’s pressure transmitter supplier backed out at the last minute, The Foxboro Measurements & Instruments Division of Invensys (http://www.foxboro.com/instrumentation) came through with record delivery time, allowing Hanover to meet the contracted delivery date for a multi-million dollar system order. By supplying specialty pressure transmitters in just three days versus the industry standard of two weeks, The Invensys division helped Hanover fulfill an emissions control system order on time and on budget, avoiding significant late-delivery penalty charges.

When The Hanover Company’s pressure transmitter supplier backed out at the last minute, The Foxboro Measurements & Instruments Division of Invensys (http://www.foxboro.com/instrumentation) came through with record delivery time, allowing Hanover to meet the contracted delivery date for a multi-million dollar system order. By supplying specialty pressure transmitters in just three days versus the industry standard of two weeks, The Invensys division helped Hanover fulfill an emissions control system order on time and on budget, avoiding significant late-delivery penalty charges.

The Hanover Company is a global market leader in designing, fabricating, and delivering custom equipment for oil and natural gas processing. One such system is a sulfur recovery unit (SRU), an emissions control system that eliminates or reduces sulfur dioxide (SO2) emissions. Designed for use in oil fields, the SRU partially oxidizes hydrogen sulfide to produce elemental sulfur for disposal as a solid, as compared to the full oxidation product, which produces gaseous SO2. This reaction in combination with several stages of separation, reheating and catalytic conversion produces a final off-gas that complies with emissions regulations, thus eliminating pollution resulting from flaring of by-product hydrogen sulfide associated with petroleum.

As a fabricator, Hanover’s Broken Arrow, OK, facility works closely with its supply chain of vendors for critical components ranging from control systems to flow loop instrumentation. While Hanover is ultimately responsible for the SRU, it’s a team effort whose success relies on every component being delivered on time and to specification.

For the application, Hanover needed more than 60 differential pressure (DP) transmitters as a critical component of the flow loop system to maintain the pressures and flows required for peak performance. “We reviewed proposals and selected a vendor based on an extremely competitive package they offered that included attractive pricing. But as it turned out, they could not meet the promised delivery date, which left us in a very precarious position. At the eleventh-hour we had to recall vendors and see who, if anyone could deliver DP transmitters that met our stringent requirements, at a competitive price, within our tight timeframe. This was a time for Superman,” says Scott Pickens, electrical engineer with The Hanover Company.

Having used Invensys Foxboro DP transmitters extensively in the past, Pickens contacted the local Foxboro representative, the Canada Company, Tulsa, OK, to discuss the situation. “They provided a solution that at first I had a tough time believing. I had to be certain of meeting this delivery date, and there was no margin for error,” says Pickens.

He contacted the folks at Canada Company on Monday, May 23 to review their original proposal submitted back in March. Invensys was closed that Monday, but got back to the Canada Company first thing Tuesday. This immediate response allowed the Canada Company to close the deal and secure a verbal order from Hanover by Tuesday afternoon.

“While I was impressed with Invensys’ response time, it was nothing compared to their lightning delivery,” says Pickens. ”We consummated the deal on Tuesday and product started showing up on Thursday. By Friday, 90 percent of the order was on site. Even I didn’t expect delivery that promptly.”

The Foxboro pressure transmitters selected for this application were the IDP10 differential transmitter and the IGP10 gage pressure transmitter. Both are intelligent two-wire transmitters and feature silicone strain gage sensors that have proven themselves in thousands of field applications. For high reliability performance, the Foxboro transmitters include proprietary sensor packaging with very few parts. Each transmits a 4 to 20 mA output signal and includes HART protocol for remote configuration.

“Foxboro really pulled out the stops to work with us and even worked with their supplier of seals to expedite delivery to accommodate our time frame. They truly came through as a strong link in our supply chain,” says Pickens.

Timely delivery of the pressure transmitters allowed Pickens to complete the instrumentation and electronics portion of the SRU, just under deadline, which allowed Hanover to meet its promised delivery deadline. “Given that the system was going to Bulgaria, we had to allow for shipping, which was no problem. The system arrived on time and fired up right on schedule,” says Pickens.

For more information on the Foxboro differential pressure transmitters, other advanced Foxboro measurement and instrument devices, or the quick delivery Rocket Program®, readers can contact their local Invensys/Foxboro representative, visit the Foxboro Measurements and Instruments Web Site at http://www.foxboro.com/instrumentation or call 866-746-6477 (508-549-2424 outside the U.S. and Canada). The Foxboro differential pressure system can also be purchased on-line at http://www.buyautomation.com.

About Foxboro M&I Division

The Foxboro Measurements and Instruments (M&I) Division has a long-standing reputation for providing world-class measurement solutions. With a legacy of accurate, reliable, and innovative products, the group prides itself on working with customers to achieve industry-best total solutions for optimum measurement or analysis of temperature, pressure, flow, and electrochemical variables.

About Invensys

Invensys is the world leader in industrial asset performance management. In addition to its rapidly expanding Global Solutions and Performance Management services groups, Invensys’ automation businesses includes industry-leading brands such as Foxboro, Triconex, SimSci-Esscor, Wonderware, and Avantis, whose products are installed in more than 100,000 plants across the world. These range from small hybrid and batch plants to the world’s largest upstream projects, refineries, gas plants, petrochemicals plants, power plants, and pulp and paper mills.

The Invensys Group (http://www.invensys.com) is headquartered in London and is listed on the London Stock Exchange, with approximately 30,000 employees working in 60 countries.

Invensys, SimSci-Esscor, Foxboro, DolpHin, Triconex, Wonderware, and Avantis are trademarks of Invensys plc, its subsidiaries, or affiliates. All other brands and product names may be trademarks of their respective owners.

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