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Achieve accurate, repeatable, and reliable gas measurement analysis Rosemount™ Gas Chromatograph Solutions For natural gas transmission applications
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Struggling to reduce costs while meeting tighter energy measurement demands? Avoid two-phase flow measurement error? Reduce the cost of new installations and control the expense of maintaining existing ones? Emerson’s Rosemount XA Series of gas chromatographs share a common electronics platform that reduces complexity and training needs, while providing a range of measurement options to suit the individual application. Critical, high-value locations benefit from the high accuracy Rosemount 770XA, and the Rosemount 370XA provides a lower up-front cost for less critical locations. Recommended...
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Natural Gas Transmission Chain of Custody Applications Offshore City Gate Storage Compression/Interconnect Standard Measurement Ranges Methane Ethane Propane N-Butane Iso-Butane N-Pentane Iso-Pentane Neo-Pentane Hexane (**) Nitrogen Carbon Dioxide C6+ (*) Heptanes (**) Octanes (**) Nonane (**) C6+ – The traditional GC “natural gas custody transfer” measurement. Individual hydrocarbons up to normal-pentane, nitrogen, and CO2 are analyzed individually, and heavier hydrocarbons are combined to form “C6+” concentration, hence the descriptor. The Rosemount 370XA C6+ performs this measurement...
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Fully Integrated GC Management Tool Selecting the Best GC for Your Application At locations where you currently use composite or older generation gas chromatographs, the Rosemount 370XA GC is ideal because it is simple to operate and includes a Maintainable Module, a truly cost effective solution for C6+ applications. For more critical applications or where there is risk of the hydrocarbon liquids, the Rosemount 770XA C9+ can provide the industry’s best performance. Additionally, the Rosemount 770XA can be customized to meet unique measurement challenges. Table 1 - Specifications Comparison...
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Rosemount 370XA Natural Gas Chromatograph Features The Rosemount 370XA natural gas chromatograph from Emerson is designed to provide greater ease of use and increased measurement performance for your C6+ BTU/CV analysis. Designed for Custody Metering of Natural Gas Four-minute C6+ BTU/CV analysis ± 0.0125% repeatability of heating value (± 0.125 BTU/1000 BTU) in controlled environments ± 0.025% repeatability of heating value (± 0.25 BTU/1000 BTU) over extended temperature range of -20 °C to 60 °C (-4 °F to 140 °F) Latest GPA 2145, GPA 2172, and AGA 8 calculations Latest ISO 6976...
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Rosemount 770XA Natural Gas Chromatograph Features The Rosemount 770XA gas chromatograph offers accurate and reliable hydrocarbon dew point calculations from the extended C9+ analysis by combining two detectors and a controller within a single housing – reducing complexity, minimizing maintenance and spare parts requirements, simplifying the scope of analyzers at the pipeline, and reducing the overall cost of the analytical solution. Unmatched measurement performance Best C6+ heating value/BTU repeatability available ± 0.01% (± 0.1 BTU/1000 BTU) in temperature controlled environment ±...
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The Rosemount GC Difference Gas Chromatograph Valves Thermal Conductivity Detectors Environmental Chamber Testing Engineered Sample Handling Systems Rosemount gas chromatographs offer six-port or tenport diaphragm/piston valves. These pneumatic valves are guaranteed for the life of the gas chromatograph and specified to operate over five million times between service. By minimizing internal movement (1/1000 inch) of the pistons, which never come in contact with the sample, abrasive mechanical wear is virtually eliminated. This unique doublediaphragm design removes the need for all springs,...
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Optional GC Parts and Accessories Lifecycle Services and Support Training Services We offer standard and custom gas chromatograph accessories to meet your installation and application requirements. Our team of trained and certified field experts know and understand the requirements needed to develop a customized service program to suit your application. We provide complete turn-key services and problem solving to assist you every step of the way. From pre-installation services to on-going maintenance and support long after commissioning, we have the expertise to ensure your Rosemount gas...
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Ensure reliable gas composition analysis and quality monitoring. Emerson Automation Solutions Americas 10241 West Little York, Suite 200 Houston, TX 77040 USA Toll Free 866 422 3683 T +1 713 396 8880 (North America) T +1 713 396 8759 (Latin America) GC.CSC@Emerson.com Emerson FZE Middle East and Africa Jebel Ali Free Zone Dubai UAE P.O. Box 17033 T +971 4 811 8100 GC.CSC@Emerson.com Emerson Automation Solutions Europe Str. Emerson nr.4 400641 Cluj-Napoca Romania T +40 374 13 2000 GC.CSC@Emerson.com Facebook.com/Rosemount YouTube.com/user/RosemountMeasurement Twitter.com/Rosemount_News The...
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