Gas turbine meter measurement wayland sligh daniel measurement and control, inc. Daniels gas turbine meter is an example of this expertise and leadership position in flow measurement. Elster meter supplies you worldwide with meter and smart meter systems. The trz 04 turbine gas flowmeter continues the tradition of honeywells fieldproven turbine meter technology, delivering the highest levels of accuracy and reliability. A theoretical analysis of the turbine meter operation is given in appendix 1. The low exhaust emissions are reduced further with scr in the hru. Gt, gts, gtx and accutest turbine gas meters 02 elster american meter. Instruction manual turbine gas meter and quantometers. They are also used for industrial loads, in distribution stations, major supply stations and as master reference meters. This allows depressurization and transducer removal after blowdown. 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. Natural gas companies all over the world use pietro fiorentini turbine meters in commercial, industrial and residential applications with a high flow of natural. The application of temperature andor pressure correction. We provide best solutions that will meet the extreme conditions associated with your subsea and oil and gas applications.
These flowmeters often incorporate the functionality of a flow computer to. 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. Sz turbine gas meters are compact, lightweight and accurate. The x turbine meters are widely used for custody transfer of natural gas. Turbine meters, also called velocity meters, infer the volume of gas passing through them by measuring the velocity of the gas stream. The volume is determined by counting the number of meter rotations. Once this has elapsed, turbine gas meters may no longer be used for purposes which are subject to obligatory calibration. A maintenance manual is supplied with each daniel gas turbine meter. Sage metering manufactures thermal mass flow meters, and our posts traditionally consider applications for our meters.
The standard fmtlx turbine meter is suitable for custody transfer gas measurement of all noncorrosive gases such as natural gas, propane, butane, air, nitrogen. Quantity can be expressed in terms of standard, normal, or base volume, or in terms of mass. And the meter is designed for installation between two flanges. They are used to measure low to medium and high flow, at low or medium, or high pressure.
It is also essential to understand pulsation control techniques. Today the main gas turbine fuel is natural gas with methane as the dominating component and smaller fractions of heavier hydrocarbons. 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. Scadacore has created a aga 7 turbine gas flow calculator to help users calculate gas volumes using a turbine meter. Gas flows through the meter, passing through the rotor blades, causing the rotor to turn. Pressure, temperature, and other effects on turbine meter gas. Call us tollfree 18442637582 for any assistance or questions. Each turbine gas meter with an aluminum turbine wheel can be fitted with a reprox probe type pulse sensor.
Future gas turbine fuels will likely include hydrogen gas and biogas with large fractions of carbon dioxide. In combination with daniels totalizing and computing equipment, the gas turbine meter becomes the heart of gas. All meters are capable of pulse generation for transmission of data to accessory equipment. Natural gas meter prover and meter proving linc energy systems. 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. Houston texas introduction the gas industry has a wide variety of measurement equipment to satisfy nearly every application need. 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.
The aga 7 turbine gas flow calculator uses aga 8 calculations to calculate the compressibiilty of the liquids to ensure accurate flow readings. Installation and maintenance instructions part number. C july 2011 daniel gas turbine meter 4, 6, 8, 12sizes ansi class 125 thru 900. Single units or projects fulfilled with full project management available. The actr project replaces natural gas turbine driven compressors installed in the 1970s with more efficient electric motordriven compressors. High accuracy turbine flowmeters are available for custody transfer of hydrocarbons and natural gas. This helps prevent costly downtime and lost revenue. The cartridge assembly makes replacement and inspection of parts easy. A gas meter is a specialized flow meter, used to measure the volume of fuel gases such as natural gas and liquefied petroleum gas. 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. We offer complete flow measurement packages for the. 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.
Norgas carries the sz series turbine gas meter as well as the q400 gas meters. 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. They measure gas flow volume indirectly by counting the number of revolutions when a rotor is subjected to a gas flow. Meters are available in sizes ranging from 3 up to 12. The trz 04 improves lowflow performance and includes a rugged, redesigned meter head for enhanced usability and ease of installation. It has fewer moving parts because of its patented electronic design. Gas turbine meter sizing varies from one manufacturer to the next. Coriolis meters coriolis flowmeters measure mass flow and density directly. Various additional fitting options are available including an oil pump and a ptfe coating version, making them also suitable for heavy duty measurement. Elster meter is a worldwide market leader for stateofthe art high accuracy downstream gas measurement and regulation. Daniel gas turbine meters are applicable to wide flow ranges. 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. Sinoinstruments turbine flow meters, made in china, having good quality, with better price. July 2011 daniel gas turbine meter emerson electric.
Instead, a rotor with multiple blades is placed directly in the gas stream. 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. Ancs004 natural gas boiler fluid components international. Turbine flowmeters measure the velocity of liquids, gases and vapors in pipes, such as hydrocarbons, chemicals, water, cryogenic liquids, air, and industrial gases.
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. Line size alone is not sufficient data for sizing gas meters. Ge supplied and inaugurated the first gas turbine in the island nation of tobago to provide more reliable, flexible, and sustainable electricity to the countrys grid. 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. Goldi gas installation utility meter manufacturers. Gas moving through the meter impinges on a bladed rotor resulting in a rotational speed that is proportional to the flow rate. The calibration of turbine gas meters is only valid for the period of validity of calibration.
The orifice meters are being replaced mostly with turbine meters,and some. Jul 29, 2014 natural gas flow measurement in part v of my series on natural gas flow meter types, here i discuss the gas turbine meter which is used in industrial and commercial billing applications. The air to the expansion turbine is preheated to 950 to 1050 of using the gas turbine exhaust energy recovered in a recuperator hru. Buy turbine gas meters from dms metering solutions. Flow measurement of natural gas by turbine meter number of amendments. To accommodate the requirements of most gaseous flow applications, cox precision gas meters come in a variety of sizes, end fittings and options. Natural gas flow meter for boiler boiler with fci st98 fow meter application note case study ancs 004. The maximum gas flow rate through the meter that can be. Itron turbine gas mz meters are suitable for both natural gas and other filtered and noncorrosive gases. This is true since the gas at two 2 atmospheres is compressed to onehalf of its displaced volume or volume at standard conditions. General european standard for turbine meters en 12261 oiml provision. They are designed, produced and tested in accordance with the following guidelines, standards and references.
Dresser turbine meters use a removable meter cartridge rmc, which allows field adaptability from 2 through 12 sizes. The stored compressed air is released to an air expander to recover the stored energy. 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. 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. Goldi gas turbine flow meter is a new high precision measuring instrument which has high accuracy and good reliability. Rpm rotary gas meters rpm rotary gas meter 02 elster american meter. Gas turbine meters are velocity meters, and the upper velocity limit is essentially unchanged by pressure. Were the largest distributor of elster gas meters in the us. 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. Legally binding document step out from the old to the newjawaharlal nehru invent a new india using knowledge. In particular hydrogen gas is of interest because it will alter the com.
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