VALVES
Severn Glocon selects Metso positioners for NGL valve project
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
C
ontrol valve specialist Severn Glocon is using Metso’s intelligent positioners to help
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. More information on Metso Automation
niklas.lindfors@
metso.com
Valve solutions for Saudi Aramco complex
Metso has received a large order to be delivered to Saudi Aramco’s petroleum refining and petrochemical production complex currently under construction.
The order includes a
considerable number and wide range of Metso’s Neles® rotary and globe valves and Jamesbury® valves, including control, on-off and safety valves. It also includes Metso’s intelligent safety solenoid technology and valve controllers, which guarantee maximum
process availability and safety while reducing overall operating costs. The valve solutions will be delivered to the petroleum refining and petrochemical production complex of Saudi Aramco, Saudi Arabian Oil Company, that will be substantially expanded. The expansion of the current facilities is part of Saudi Aramco’s plan to diversify its business from crude oil into chemicals, unconventional gas and renewables. South Korean GS Engineering & Construction is the main contractor for the
project. Instrument lead Engineer Jang In-Cheol says this is one of the company’s biggest projects and goes on:’’So we need trusted partners to work with us. We have completed several successful projects globally with Metso. They understood what we needed in this project and could provide, for example, with the engineering support and services we needed. We know from experience that they can provide reliable and high quality products that contribute to our goals in efficiency and
www.internationalmetaltube.com
environmental aspects.” “The order is one of Metso’s biggest orders to the Saudi Aramco projects. We believe that this helps us in further building our relationship with Saudi Aramco,” remarks Sales Manager John Lee, Automation, Metso. They received this order during 2013 and the deliveries will take place during 2014. More information on Metso Energy Hydrocarbon Sales & Marketing, Automation tel. +358 20 483 5823,
timo.torvinen(at)
metso.com
IMT April/May 2014 31
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