The fpd2000 series represents a positive displacement meter that is affordable and accurate. Positive displacement flow meters are the only flow measuring technology to directly measure the volume of fluid that passes though the flow meter. Microflow low flow spur gear flow meter measuring accuracy. You may find it useful to fill out the form below and keep it in your files for reference. Liquid controls steelcase msseries positive displacement meters are engineered to provide accurate flow measurement and a long, troublefree service life requiring minimal maintenance with few replacement parts. You can try these troubleshooting tips to recoup the operational performance of positive displacement flow meters. Smartpd includes a digital lcd display for immediate flow. Positive displacement flowmeters hpi series pd meter the patented, highly accurate flow technology hpi series positive displacement flowmeter pd meter is ideal for liquid flow applications where process pressure is above 1,000 psig. Og1 pd oval gear flow meters positive displacement. The max 210 series flow meters are positive displacement. Positive displacement flow meter pdf a positive displacement phd thesis in library and information science pdf meter is a type of flow meter that requires fluid to mechanically displace components in the meter in order for flow measurement.
One primary feature is the ability to maintain consistent accuracy despite changing viscosity conditions. Positive displacement flow meter description our positive displacement flow meter is a kind of oval gear flow meter,along to positive displacement flow meter. Registers are available as either direct read or electronic output. Running the flow meter never run the flow meter dry or spin with air only. A new range of lowcost positive displacement flowmeters, based on the oval gear principle, has been introduced by flotech solutions ltd of arden business centre, horsfield way, bredbury industrial estate, stockport, tel. The preferred flow directionis etched or marked by an arrow on the meter as this is the flow direction in which the meter was calibrated however. The compact rugged og4 oval gear flowmeter a swept volume flow measurement device, is designed to give high performance with a low cost of ownership. Positive displacement flow meter for fuels and oils positive displacement flowmeter for industrial processes the level of recommended maintenance is heavily influenced by the application. They can be used in very viscous, dark colored fluids. A positive displacement meter is a type of flow meter that requires fluid to mechanically displace components in the meter in order for flow measurement. A cavity with a known volume is formed and functions as the measuring chamber of the flowmeter. Orientation positive displacement gear flow meters can be installed either a horizontal or. They are used in high viscous, dirty fluid which does not flow through the straight conduit. A conversion coefficient k factor, available in the instruction manual of the sensor fitting.
Positive displacement flow meters are the only flow measuring instrument that can. Og3 oval gear positive displacement flow meters the compact rugged og3 oval gear positive displacement flowmeter is designed to give high performance with a low cost of ownership. Positive displacement meter an overview sciencedirect. Positive displacement flow meter for corrosive liquids. This technical document is to examine the posi tive displacement.
At the heart of the og3 oval gear positive displacement flow meter are a pair of toothed oval gears one of which contains chemically resistant magnets. You can measure flow through a variety of different devices such as coriolis, differential pressure, vortex, magnetic, ultrasonic, turbine and positive displacement meters, flow technology advisor. Positive displacement flow meters are designed for low flow and high accuracy over a wide range of fluid viscosity generally used for thicker liquids. Positive displacement flowmeters operational manual. Max transmitters are typically mated to a mechanical flow meter. Understanding how a positive displacement flow meter works.
Overview positive displacement meters for liquids are among the most widely used volumetric. Liquid controls mseries rotary motion positive displacement pd meters offer the ultimate in measurement accuracy for custody transfer of petroleum products, aviation fuels, lpg, and a broad range of industrial liquids. Chambers are constructed of a durable synthetic polymer. Positive displacement meters are widely used on applications where high accuracy and good repeatability are required. The principal of operation is that of a gear pump, but in reverse. At the heart of the meter are a pair of toothed oval gears one of which contains chemically resistant magnets.
Rotation is detected through the chamber wall by a hall effect detector, namur sensor or a reed switch giving approximately 2050 pulses per litre passed. The unique construction of these meters results in low pressure drop for most liquids, delivering superior. Applications of the liquid sealed drum meter today fqi flow sheet symbol fig. It is forbidden any reproduction of this document, even partial, without a previous written approval by. Mx series features latest meter technology modular design allows for design flexibility solid billet construction programmable digital display w varied output options mx series data mx06 14 suitable for flow range 0. Ifc inflow offers positive displacement flow meter. These meters achieve this by trapping small amounts of fluid between rotating components within a high precision chamber. Positive displacement flowmeters operational manual model. Positive displacement flowmeters achieve this by repeatedly entrapping fluid in order to measure its flow. Exceptional repeatability and high accuracy over a wide range of fluid. Flow meter resources flow meter application advisor. Positive displacement flow meters measure the volumetric flow rate of a moving fluid or gas by way of precisionfitted gears or rotors containing cavities through which precisely known volumes of fluid pass. The smith meter genesis series is the future in positive displacement meter technology. Positive displacement flow meters sparlings inventory of oval positive displacement meters are designed for flow measurement of very small flow rates in applications requiring high accuracy.
Location its best to install the flow meter upstream from control valves and fluid regulators, if possible. The fpd3100 series positive displacement flowmeters are affordable and accurate. Smith pd meter displacement meters for liquid measurement birotor meter rotating paddle meter oval gear meter figure 1 pd meter measuring elements introduction the purpose of this paper is to examine the positive displacement pd meter. Max transmitters are typically mated to a mechanical flow meter, configured, and calibrated at the factory as a set. Developed in the early 1800s, it was used for many years during the gaslight era. As the flow of fluid is causing the rotation, the rotational velocity is directly.
The blancett b1750 positive displacement gear flow meters are similar in design to. Positive displacement flow meter, master pd flowmeters. Positive displacement flow meter what it is and how does. Meter requires fluid to mechanically displace components in the meter. Hydraulic testing, chemical injection or chemical dosing, pharmaceutical application and similar precision applications. One primary feature is the ability to maintain consistent accuracy despite changing viscosity. Smith pd meter displacement meters for liquid measurement. This reliability, coupled with a large turndown range, offers an affordable replacement for older turbine technology. Positive displacement pd flow meters measure the volumetric flow rate of a moving fluid or gas by dividing the media into fixed, metered volumes finite increments or volumes of the fluid. Macnaughts positive displacement flow meters are suitable for a wide range of industrial applications including fuel and oil distribution, corrosive chemical or. The pd flowmeter must be mounted with the rotor shafts in horizontal position. Accuracy is not affected by pulsating flow, and accurate measurement is possible at higher liquid viscosities than with many other flowmeters. Comparison of turbine with positive displacement meters for.
Every cycle of the meter s mechanism displaces a precisely defined positive quantity of fluid, so that a count of the number of mechanism cycles yields a precise quantity for the total fluid volume passed through the flow meter. Positive displacement flow meters model model model model model positive displacement flowmeters operational manual. This positive displacement flowmeter with dis play is designed for. For pump applications, turn off the pump at the end of each day. Impact of viscosity and flow range on meter accuracy accuracy % for viscosities greater than cps. Positive displacement flowmeters operational manual for models model 2, p002, 214, 215 and 216. Series pdm flowmeter outputs reed switch output provides a voltage free contact closure. When it comes to measuring the overall volumetric flow rates for liquid matter, nothing works better than flow meters that are used in varied applications pertaining to different operational fields. Positive displacement flow meters operation and installation manual 8. Applications include lubricants, fuels, chemicals and solvents, oils and greases.
Simplicity of design and construction, together with sustained accuracy, has led to the widespread use of pd series meters. A conversion coefficient kfactor, available in the instruction manual of the sensor fitting. Positive displacement flow measurement technology accurately measures the volume of liquid passing through the flow meter. The meters solid construction and excellent dynamic response are well suited to the measurement of many solvents as well as other nonabrasive lubricating. Positive displacement gear flow meters can be installed either a horizontal or. Microflow positive displacement meter is ideal for flow measurement of low and medium viscosity fluids solvents, polyurethanes, oils and other nonabrasive fluids at very low flow rates, as in chemical injection. Positive displacement gear meters flow measurement. Positive displacement flowmeters, also know as pd meters, measure volumes of fluid flowing through by counting repeatedly the filling and discharging of known fixed volumes. Positive displacement water meters from zenner performance utilize a magnetically driven, positive displacement, oscillating piston design. The blancett positive displacement flow meter provides high measurement accuracy for fluids over a wide viscosity range.
Positive displacement flow meter, master pd flowmeters, preset batching flowmeter, tank truck loading flowmeter, manufacturer, pune, maharashtra, india. Rz sanitary positive displacement flowmeter the rz series positive displacement flowmeter is the solution to applications requiring precision flow measurement from a sanitary design. Applications of the liquid sealed drum meter today fqi flow. Macnaught positive displacement flow meters flow rate range selection chart figure 4. Mar 23, 2018 positive displacement flow meters are the only flow measuring instrument that can directly measure the volume of liquid passing though the flow meter. The tcs 700 positive displacement rotary flow meter combines excellent accuracy with low pressure drop. The meters solid construction and excellent dynamic response are well suited to the measurement of many corrosives as well as other nonabrasive fluids. Applications, advantages and disadvantages of positive. Hydraulic sealing is accomplished by a stationary boundary layer of liquid, not by the wiping action of mechanical parts. Fmc technologies continues to set the standard for custody transfer measurement for today and tomorrow.
This positive displacement flowmeter with dis play type 8076 is. This type of meter is still available today and remains one of the most accurate of the displacement type meters. For example if a flow meter is processing a fluid that displays lubricating properties i. Positive displacement pd flow meters are the only flow measuring technology to directly measure the volume of fluid that passes though the flow meter. Bottom plates for meter sizes 58 thru 1 are available in bronze, cast iron or synthetic polymer. Figure 3 assists in interpreting your process flow rate, which is an important determinant to the accuracy of your meter. A positive displacement flow meter is a cyclic mechanism built to pass a fixed volume of fluid through with every cycle. See flow meter data sheet for specific filter, including mesh weight and size.
The positive displacement principle is the only accurate method of measuring fluid flow. A typical positive displacement flowmeter comprises a chamber that obstructs the flow. No other technology can achieve such accuracy because measurement becomes inferred, which is indirect and subject to assumption. Lessons about positive displacement flow meters omega. You can measure flow through a variety of different devices such as coriolis, differential pressure, vortex, magnetic, ultrasonic, turbine and positive displacement meters. Jan 20, 20 positive displacement pdm and turbine tms are the two types of flowmeters acceptable as primary measurement instruments for custody transfer of liquid petroleum products. Oct 30, 2015 an incorrect flow total will be displayed in the meter if the reverse flow is greater than one meter revolution. Positive displacement flowmeter technology flowmeters. Presentations ppt, key, pdf logging in or signing up. The jvm series flow meters are economical and reliable positive displacement flow meters suitable for a wide variety of paints and industrial fluids.
Do not dry lines using only pressurized air, as this will lead to premature wear. The max 210 series flow meters are positive displacement piston type units capable of great accuracy over a wide range of flow rates and fluid viscosities. This technology works by directing the fluid to mechanically displace components within the meter to measure its flow as discreet parcel volumes. Aug 25, 2014 posted in positive displacement flow meter on august 25, 2014. The aforementioned are few of the common problems associated with flow meters. The tcs 700 rotary flow meter has a compact size and lightweight design that. Total control systems is a manufacturer of flow measurement systems for the custody transfer. Read and retain this instruction manual to assist you. Troubleshooting tips for positive displacement flow meters. Positive displacement flow meter, jsn positive displacement. Og1 oval gear, pd positive displacement swept volume flow meters.
Economical cost bidirectional flow capabilities what is a jvm meter. Gseries positive displacement gear flow meters manual. Every cycle of the meters mechanism displaces a precisely defined positive quantity of fluid, so that a count of the number of mechanism cycles yields a precise quantity for the total fluid volume passed through the flow meter. Max transmitters are designed to work with the entire family of max flow meters to provide extremely precise flow measurement. Positive displacement meter is a type of flow meter that requires fluid to mechanically displace components in the meter in order for flow measurement. Positive displacement type flow meter applications of positive displacement meters. The ftb3000 series of positive displacement meters incorporates smooth oval rotors. Og4 oval gear flow meters swept volume flow meters. Zenner performance positive displacement water meters.
Introduction to positive displacement flowmeters pd. Flow measurement is the process of measuring fluid in your plant or industry. About positive displacement flow meters instrumart. The measuring chamber of the isolv birotator positive displacement flowmeter consists of a body, a pair of rotor gear and a top cover. Achieve precision flow measurement and process control flow measurement is the process of measuring fluid in your plant or industry. The smartmeasurement alovpd oval gear flowmeter features two precisely machined rotating elliptical oval gears which rotate and mesh within the meter s interior housing in order to form a measuring chamber of known volume which may be used to accurately determine volumetric flow.
Rotation is detected through the chamber wall by a hall effect detector or a reed switch giving approximately 440 pulses per litre passed. Positive displacement meter installation instructions the installation instructions detailed below are consistent with recommendations by the american water works association in awwa manual m6, water meters. Positive displacement flow meters sparling instruments. Understanding how a positive displacement flow meter works azom. Og4 pd oval gear flow meters swept volume flow measurement. The rz series positive displacement flowmeter is the solution to applications. Linearization of up to 16 points to fully describe the flow meter s output curve and achieve the highest system linearity over the meter s entire operating range. Check that actual flow direction is the same indicated by the arrow stamped on the flowmeter outer housing andor is in accordance to the in and out nameplates attached to the inlet and outlet flanges of the flowmeter itself.
The fpd3300 series positive displacement flowmeters are affordable and accurate. Positive displacement flowmeter technology is the only flow measurement technology that directly measures the volume of the fluid passing through the flowmeter. It achieves this by trapping pockets of fluid between rotating components housed within a high precision chamber. It is designed to measure clean potable water only in residential, commercial and industrial settings. Positive displacement meters are frequently used in oil and water undertakings for. The tcs 700 rotary flow meter has a compact size and lightweight design that offers minimal maintenance and long service life. Orientation positive displacement gear flow meters. Macnaught positive displacement flow meters are available in a range of sizes that are engineered to provide high accuracy across a wide turn down ratio. Tms use a bladed rotor contained in a flow tube that is axially suspended in the direction of flow. Positive displacement pd flow meters measure the volumetric flow. Og3 oval gear pd positive displacement swept volume. The lc meter consists of a housing in which three synchronized rotors turn with no metaltometal contact. These robust positive displacement fluid flow measuring devices are available in a wide variety of configurations and options including digital displays.
497 689 1301 1237 1337 321 1104 710 578 318 1105 1035 1215 1411 1008 655 60 168 1317 891 461 1290 1510 1078 143 1664 1594 588 247 1374 737 1270 1203 363 1304 620 1187 1019