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Severn Glocon Selects Metso Positioners for NGL Valve Project

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Severn Glocon Selects Metso Positioners for NGL Valve Project
Severn Glocon Selects Metso Positioners for NGL Valve Project
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Metso Automation
44 Bowditch Drive, P.O. Box 8044
Shrewsbury, MA, 01545-8044

Press release date: March 24, 2014

Control valve specialist Severn Glocon is using Metso's intelligent positioners to help meet demanding anti-surge valve requirements for an NGL project.

The two firms worked collaboratively to overcome technical challenges, such as ensuring the valves opened in less than one second following receipt of signal. Customization of Metso's Neles ND9000® positioners enhanced reliability and repeatability of performance, enabling valves to meet rigorous in-factory testing and calibration requirements.

Escalating operational demands in the NGL sector are driving more sophisticated approaches to valve calibration. Accessories such as smart positioners need to be fine-tuned for optimum performance. This requires dedicated expertise and intelligent engineering.

The anti-surge application is crucial for successful and safe compressor operation. A surge can occur when process flow momentarily reverses due to pressure instability. This can damage equipment, potentially creating a hazardous situation and resulting in costly plant downtime. To avoid this, a highly-engineered anti-surge control valve is installed between the discharge of the compressor and the inlet. When a potential surge is detected, the valve opens quickly to transfer pressure.

"Our positioners include a so-called hunting detection feature that identifies the valve assembly's movements and stabilizes it from major movements in the process. This feature came on too strongly at first, so we changed the firmware that set it off. In the frequency response test, the valve assembly needed to react strongly and quickly to changes in the process, and our positioner performed well," says Niklas Lindfors, Manager, Valve Control product center.

Severn Glocon is part of the Severn Glocon Group, which employs 800 people worldwide and won a Queen's Award for Enterprise in International Trade in 2011. Further information is available via

Metso's automation solutions are designed to maximize the profitability of our customers' businesses by improving their production performance and their cost, material and energy efficiency. Our extensive range of flow control and process automation solutions and services is supported by a worldwide network of automation experts. The Automation business' biggest customer industries are oil & gas, and pulp and paper. We also have a strong growth focus in mining and construction and power generation.,

Metso is a leading process performance provider with customers in the mining, construction, and oil & gas industries. Our focus is on the continuous development of intelligent solutions that improve sustainability and profitability. Metso's shares are listed on the NASDAQ OMX Helsinki Ltd. Metso employs around 16,000 professionals in 50 countries. Expect results..,

For further information, please contact:
Niklas Lindfors, Product center manager, Automation,

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