The performance of this type of meter depends on the accuracy of the. This example equates to 300 scfhr we cannot exceed a meters maximum capacity, so we would select. Our meter range is suitable for domestic and industrial applications including diaphragm, rotary, turbine, thermal mass flow and electronic gas meters. The meters provide costeffective solutions for general area, hazardous area or 3a sanitary applications. If no natural gas facilities are in your work area you may get a call, email, or see writing on the ground. Acquaint the officials with your abilities in responding to a gas pipeline emergency. The actual measurement is performed by two figure 8shaped impel lers rotors rotating within a.
The fmg rotary gas meter is a displacement type gas meter. Plan how you and the public officials can engage in mutual assistance to minimize hazards to life or property. Meter displays are available in either digital or analogue. Natural gas pipeline assets in a partnership with kinder morgan. We carry one of the largest inventories of american meter regulators in the united states. Guidance manual for operators of small natural gas systems. The diaphragm gas meter is one of the most common and oldest natural gas meters.
It is the nations largest natural gas distribution utility, providing safe and reliable energy to 20. Abnormal operating conditions emergency plans and public. Isolated during natural gas processing, butane makes up around 20 percent of natural gas composition. Common types of gas metersgas meters are very necessary in most establishments nowadays. Gas meters and electricity meters what you need to know. This information may or may not pertain to your specific natural gas installation or conversion. Aga gas measurement manual revised, general part no.
When the hand is between 9 and 0, then 9 is considered the lower number. The test pressure used in this manual is usually 100 pounds per square inch to provide clarity and. A natural extension of the companys commitment to finding real solutions for americas energy future, entry into the pipeline and gas storage business will help address one of the key challenges facing natural gas developing the. Our customers have been using the elsterinstromet rotary gas meters. Here, we present a brief overview of some of these technologies to understand how flow meters work. Boilers are classified as highpressure or lowpressure and steam boiler or hot water boiler. A gas meter is a specialized flow meter, used to measure the volume of fuel gases such as.
Digital flow meters guide liquid and gas sinoinstrument. Positivedisplacement meters measure the actual volume of gas displaced through them. The development of this device in the 19 th century was pivotal in the natural gas industrys success as it created a reasonably priced way to charge the end user for their energy use. In addition to the diaphragm meters for residential gas metering, commercial and industrial users are the other two types that most of the gas. Electronic flow measurement system for natural gas. Doe issued guidance in february 2006 on the installation of electric meters in federal buildings. Ultrasonic meters with four paths or more can detect critical flow disturbances to significantly minimize measurement uncertainty. Diaphragm meters are one type of positivedisplacement meter and will be discussed throughout this paper.
Sinoinstrument has a wide range of digital flow meters with 420ma, rs485 or others output. This meter is ideal for utility custody transfer grade metering or submetering for all different types of gases including natural gas and propane vapor. Dry type gas meter like diaphragm gas meters which are displacement meters contain. Reliable, easytoread displays on all flow meter types. Natural gas measurement today is accomplished using different types of meters.
In some service areas, our technicians manually collect readings each month. Natural gas and electric service guide for commercial, industrial and residential customers. Natural gas meters have been used since the infancy of gas distribution. To accurately read your natural gas meter, follow the steps below. Differential pressure flow meters calculate flow by measuring pressure drop over an obstruction inserted in the flow path. Residential gas meter and various natural gas meter types. The gas goes through a pump or a pair of pumps, which contracts and expand as gas passes into the pumps. Common types of flow elements are orifice plates, flow nozzles, venturi tubes, and averaging pitot tube. Natural gas pressure regulators mcs meters water, gas. Boiler types and classifications wiki odesie by tech. Socalgas has been delivering clean, safe and reliable natural gas to its customers for more than 140 years.
They include a manual valve, two automatic operators, and a pressure regulator. Choose the meter you need from residential, commercial or. For jobspecific information and more detailed information, please contact our. Reading your natural gas meter is one way to tell how much natural gas youre using each month.
Meter data management system for elster lis200 and gasnet volume con ver sion devices. An automated meter reading amr device, which is installed on most gas meters, reads your meter. The main four types are diaphragm meters, orifice meters, rotary meters, and turbine meters. The rotary gas meter can be used indoors or outdoors. D uring the last few years, there has been a tremendous increase in u. Gas meter, device for measuring the quantity or rate of flow of a gas. When installing a gas meter box, only a certain number of positions and locations are permitted. Gas measurement requirements and procedures gas industry. Before requesting a new meter installation, please be sure the following items have been completed. Performance curve for a lobe type rotary displacement meter. Pdf on oct 31, 2012, liji huang and others published city natural gas metering find. This paper will present basic operating principles. Individual meters versus master meter vented appliances 16 4. Here are the main types of gas meters and their functionning.
See table 1 for temperature ranges and regulator types. Aluminum alloy construction of the cover, body, and valve plate accounts. During the past 50 years, gas meters have proven to be very reliable and accurate and whether you have small or large usage needs, we have the meters that will suit your application. Identify the types of gas pipeline emergencies which you may notify the officials of. Types of gas meters by operating principles include displacement, velocity, head, thermal, acoustic, and tracer. Rotary type gas meters allow for measurement of large amounts of gas flow in a compact gas meter. All meters are sized based on actual gas volume flowrate typical example. Selecting flow meters for natural gas fiscal measurement emerson. The flow computer calculations are performed in order to provide a high performance flow metering for natural gas. Used to strain foreign matter from pipelines without removal of strainer. Refrigeration units and lighters also use a large amount of butane as fuel. This is typically the type of meter used for small gas users, including. Using a 20 mesh stainless steel screen, the gasket strainer helps protect against potential damage to precision pipeline measurement and regulation equipment caused by occasional.
Spire automatically receives regular readings of your gas usage from the amr device. Gases are more difficult to measure than liquids, because measured volumes are highly affected by temperature and pressure. Single joint construction and o ring type gas ket insure a positive seal against leakage. Natural gas properties gas composition determination orifice meters wet gas technology ultrasonic meters field meter proving turbine meters measurement uncertainty analysis other typical meter types besides those listed above june 27. These direct ignition combination gas controls are used in gasfired appliances with capacities up to 300 feet 3hour at 1 inch wc pressure drop 8. The gas goes through a pump or a pair of pumps, which contracts and expand as gas passes. This is the safest, most efficient way to measure the amount of gas used. Natural gas meter requesting a new natural gas meter thank you for choosing national grid. The meter most commonly used to sell small quantities of natural gas at relatively low flow rates is known as the bellows meter. A gas meter measures the volume of gas passing through it at actual. Domestic and commercial gas meters, bes have a long history of supplying specialised products to the gas industry including gas meters.
An example of the displacement principle is the bellowsanddiaphragm gas meter shown in the diagram. It is important to be aware of the differences between these installation types before you decide which meter box is the best. All forms of fiscal measurement can be affected by product quality, fluid properties and composition, operating parameters, maintenance practices, and technology. Call us tollfree 18442637582 for any assistance or questions. In this case, three flow meters of differing type and size are plumbed in parallel. Compatible with most lowviscosity liquids and natural gas, blancett meters are suitable for a wide variety of applications in upstream oil and gas, food and beverage, petrochemical, semiconductor, and irrigation.
Gas meters for residential, commercial and industrial use. An overview of natural gas metering with ultrasonic. This is especiallytrue if you want to monitor your energy consumption or even save more. Were the largest distributor of elster gas regulators in the united states. Digital flow meters works for both liquid and gas, like water, oil, natural gas, oxygen, diesel fuel, and so on.
First, it may contain less than 50% methane, comnatural gas flowmeters figure 5. If you need technical support to choose flow meters, please contact us. The orifice plate is a differential pressure meter frequently used for natural gas measurement. These four common types of meters can be broken down into two distinct categories. For example, requirements for pressure testing vary throughout the pipeline safety regulations. Gas meters may all look globally alike, but the inside mechanisms can be different. Consequently, what changes is the measuring accuracy of a gas meter with. It is formed when layers of decomposing plant and animal matter are exposed to intense heat and. If the hand is between two numbers, always select the lower number.
If at any time you smell gas or suspect a gas leak, immediately call 911 or. On average, 24% of the gas meters tested every year since 2006 21,243 meters tested in total were faulty. Gas meters are used at residential, commercial, and industrial buildings that consume fuel gas supplied by a gas utility. Electronic flow measurement system for natural gas metering stardom fcjfcn can be used as an electronic flow measurement system described in api mpms chapter 21. This broad portfolio includes armored metal, glass tube and plastic va flow meters rotameters, each engineered to provide years of repeatable, reliable measurement of gas and liquid flow rates. Orifice meters are a type of differential meter, all of which infer the rate of gas flow by measuring the. A gas meter is a specialized flow meter, used to measure the volume of fuel gases such as natural gas and liquefied petroleum gas.
1134 1391 790 600 805 675 124 567 975 585 893 682 358 1134 264 973 319 1153 876 734 371 248 1263 545 306 1565 422 368 1345 1204 171 913 400 529