As each turbine blade passes the proximity sensor a pulse is produced, the number of which is proportional to the speed of the wheel and thus the quantity of gas can be determined for pulse values see page 15. The trz 04 improves lowflow performance and includes a rugged, redesigned meter head for enhanced usability and ease of installation. Call us tollfree 18442637582 for any assistance or questions. Flow measurement of natural gas by turbine meter number of amendments. Gas turbine meters are velocity meters, and the upper velocity limit is essentially unchanged by pressure. Dresser turbine meters use a removable meter cartridge rmc, which allows field adaptability from 2 through 12 sizes. It can measure all kinds of singlephase gas and be widely applied to measure gas in oil, chemical, industry, metallurgy, electric power and combustion gas in cities. Buy turbine gas meters from dms metering solutions. Single units or projects fulfilled with full project management available. The use of dp meters for custody transfer is governed by api 14. Quantity can be expressed in terms of standard, normal, or base volume, or in terms of mass.
It has fewer moving parts because of its patented electronic design. Turbine gas meter tgm gas turbine flow meter is a kind of instrument for precisely measuring the gas flow, which is suitable for the measurement of all kind of gas in the fields of industry, such as natural gas, city gas, propane, butane, ethane, air and nitrogen, etc. A maintenance manual is supplied with each daniel gas turbine meter. Instruction manual turbine gas meter and quantometers. Turbine meters contain no measurement compartments. In addition, the digital pulse output generated by the gas turbine flow meter can be fed to companion readout devices capable of providing direct measurement of flow rate and accumulated throughput. The standard fmtlx turbine meter is suitable for custody transfer gas measurement of all noncorrosive gases such as natural gas, propane, butane, air, nitrogen. Natural gas flow meter for boiler boiler with fci st98 fow meter application note case study ancs 004. This helps prevent costly downtime and lost revenue.
Daniels gas turbine meter is an example of this expertise and leadership position in flow measurement. The actr project replaces natural gas turbine driven compressors installed in the 1970s with more efficient electric motordriven compressors. Coriolis meters coriolis flowmeters measure mass flow and density directly. Goldi gas turbine flow meter is a new high precision measuring instrument which has high accuracy and good reliability. When completed later this year, the stateoftheart upgrade will reduce greenhouse gas emissions at the facility by about 70,000 metric tons, or 90 percent, each year. Today the main gas turbine fuel is natural gas with methane as the dominating component and smaller fractions of heavier hydrocarbons.
Goldi gas installation utility meter manufacturers. The cartridge assembly makes replacement and inspection of parts easy. Were the largest distributor of elster gas meters in the us. The unique fmts turbine meter is suitable for custody transfer gas measurement of all noncorrosive gases such as natural gas, propane, butane, air, nitrogen. They are also used for industrial loads, in distribution stations, major supply stations and as master reference meters. Ms are linear meters, msince usuch of the document was patterned around aga 7, measurement of gas by turbine meters 6, another linear device ref. The stored compressed air is released to an air expander to recover the stored energy.
Turbine flow meters working animation s bharadwaj reddy june 10, 2016 july 21, 2019 turbine flow meters use the rotation of a rotor within a flow tube to translate the flow of liquid into a readable rate. The maximum gas flow rate through the meter that can be. This meter style is a proven technology with over 100 years of application service and offers excellent value with a typical life expectancy of 25 years. Aga gas measurement manual revised, general part no. This is true since the gas at two 2 atmospheres is compressed to onehalf of its displaced volume or volume at standard conditions. Daniel gas turbine meters are applicable to wide flow ranges.
Gas moving through the meter impinges on a bladed rotor resulting in a rotational speed that is proportional to the flow rate. Instead, a rotor with multiple blades is placed directly in the gas stream. Future gas turbine fuels will likely include hydrogen gas and biogas with large fractions of carbon dioxide. It is also essential to understand pulsation control techniques. Diaphragm meters measure gas flow volume in the natural gas distribution for residential and commercial applications. Pressure, temperature, and other effects on turbine meter gas.
High accuracy turbine flowmeters are available for custody transfer of hydrocarbons and natural gas. The aga 7 turbine gas flow calculator uses aga 8 calculations to calculate the compressibiilty of the liquids to ensure accurate flow readings. The orifice meters are being replaced mostly with turbine meters,and some. Norgas carries the sz series turbine gas meter as well as the q400 gas meters. The trz 04 turbine gas flowmeter continues the tradition of honeywells fieldproven turbine meter technology, delivering the highest levels of accuracy and reliability. Natural gas meter prover and meter proving linc energy systems. The air to the expansion turbine is preheated to 950 to 1050 of using the gas turbine exhaust energy recovered in a recuperator hru. Our meters are designed to measure gas velocity and the operating principle incorporates an innovative method of conditioning the flow before it reaches the turbine rotor. Once this has elapsed, turbine gas meters may no longer be used for purposes which are subject to obligatory calibration.
To accommodate the requirements of most gaseous flow applications, cox precision gas meters come in a variety of sizes, end fittings and options. A leading electronics manufacturer of ram memory, nand fash memory, and cmos image sensors required fow meters to measure natural gas fow to 16 onsite boilers used to heat the facility. A theoretical analysis of the turbine meter operation is given in appendix 1. Turbine meters, also called velocity meters, infer the volume of gas passing through them by measuring the velocity of the gas stream. They are used to measure low to medium and high flow, at low or medium, or high pressure. C july 2011 daniel gas turbine meter 4, 6, 8, 12sizes ansi class 125 thru 900. July 2011 daniel gas turbine meter emerson electric. These gas meters are ideally suited for measurement of natural gas, propane, butane, acetylene and a variety of other industrial gases including air at both high and low pressures. Sz turbine gas meters are compact, lightweight and accurate. A gas meter is a specialized flow meter, used to measure the volume of fuel gases such as natural gas and liquefied petroleum gas. They are designed, produced and tested in accordance with the following guidelines, standards and references. Elster meter is a worldwide market leader for stateofthe art high accuracy downstream gas measurement and regulation.
The volume is determined by counting the number of meter rotations. In combination with daniels totalizing and computing equipment, the gas turbine meter becomes the heart of gas. We offer complete flow measurement packages for the. Installation and maintenance instructions part number. Each turbine gas meter with an aluminum turbine wheel can be fitted with a reprox probe type pulse sensor. General european standard for turbine meters en 12261 oiml provision. Sinoinstruments turbine flow meters, made in china, having good quality, with better price. Using the same topentry design of our mark ii turbo meters, the measuring module of the aat can be changed, recalibrated or upgraded without removing the meter body from the line. Gt, gts, gtx and accutest turbine gas meters 02 elster american meter. Various additional fitting options are available including an oil pump and a ptfe coating version, making them also suitable for heavy duty measurement. Rpm rotary gas meters rpm rotary gas meter 02 elster american meter. Sage metering manufactures thermal mass flow meters, and our posts traditionally consider applications for our meters.
The low exhaust emissions are reduced further with scr in the hru. The gas meter, however, will only measure the displaced volume and the counter on the meter will only register 3000 cubic feet in a one hour period assuming gas flow is at the meters maximum capacity. We offer complete flow measurement packages for the offshore drilling, production and wellservicing environments. Thus, a given size turbine meter will have an associated upper uncorrected flow rate limit. Legally binding document step out from the old to the newjawaharlal nehru invent a new india using knowledge.
Houston texas introduction the gas industry has a wide variety of measurement equipment to satisfy nearly every application need. Line size alone is not sufficient data for sizing gas meters. All meters are capable of pulse generation for transmission of data to accessory equipment. Gas turbine meters cox precision gas flow meters are designed for precise and repeatable flow measurement of all compressible fluids, with the added benefit of minimal pressure loss. Goldi gas turbine flow meter has excellent measuring. Gas turbine meter sizing varies from one manufacturer to the next. The calibration of turbine gas meters is only valid for the period of validity of calibration. In particular hydrogen gas is of interest because it will alter the com. Elster meter supplies you worldwide with meter and smart meter systems. Additionally, once the meter run is depressurized, the internal condition of the meter and associated piping can be inspected if boroscope and inspection ports are available. It is important to understand the effects that pulsations have on the common types of flow meters used in the gas industry so that potential errorproducing mechanisms can be identified and avoided. The x turbine meters are widely used for custody transfer of natural gas. The turbine meters are designed to accurately measure natural gas, air, nitrogen, carbon dioxide, propane vapor, and other noncorrosive gases for large volume commercial and industrial uses.
Elster american meters rpm rotary meters are a positive displacement meter used to measure natural gas and other various noncorrosive industrial gases air, nitrogen, carbon dioxide over a wide range of flow rates and operating pressures. They measure gas flow volume indirectly by counting the number of revolutions when a rotor is subjected to a gas flow. The application of temperature andor pressure correction. Meters are available in sizes ranging from 3 up to 12. Itron turbine gas mz meters are suitable for both natural gas and other filtered and noncorrosive gases. And the meter is designed for installation between two flanges. These flowmeters often incorporate the functionality of a flow computer to. We provide best solutions that will meet the extreme conditions associated with your subsea and oil and gas applications. Natural gas companies all over the world use pietro fiorentini turbine meters in commercial, industrial and residential applications with a high flow of natural. Most of the performance requirements in revision 1 of aga 9 were based on the limited test data available at the time, and absent high rate test labs. Gas flows through the meter, passing through the rotor blades, causing the rotor to turn.
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