Simplicity of design and construction ensures unmatched accuracy and troublefree operation over long periods of use. Meter genesis series line of pd meters for refined products and biofuels. It is designed to measure clean potable water where flow is in one direction only in residential, commercial and industrial settings. There are many types of internals such as two or three gear oval gear, nutating disc, rotary piston and sliding vane.
Pdf 250 we are one of the best manufacturers, exporters and suppliers of oval gear flow meter with digital display in india. Positive displacement flowmeters operational manual model. Positive displacement large cold water meters 1 12 dn 40 mm 2 dn 50 mm high flow due to continuous research and product enhancement, rg3 meter company reserves the right the change product or system specifications without notice, except to the extent an outstanding contractual obligation exists. Our worldclass positive displacement flow meters are among the most accurate available in any industry and backed by excellent customer service, support and prompt deliveries. It may be easier to install the sensor after the flow meter has been installed in the line. Flow technologys positive displacement flowmeters use two rotating, thermoplastic impellers driven by the flowing liquid. They are used in high viscous, dirty fluid which does not flow through the straight conduit.
Magnets imbedded in the impellers activate a nonintrusive sensor which generates a pulsed output signal. Installation before attaching the sensor to the flow meter, check for any potential clearance issues. Positive displacement flow measurement technology accurately measures the volume of liquid passing through the flow meter. Positive displacement large cold water meters 1 12 dn 40 mm 2 dn 50 mm high flow due to continuous research and product enhancement, rg3 meter company reserves the right the change product or system specifications without notice, except to the extent an.
A quick and easy to use request for quote form is provided for you to contact these positive displacement flow meter manufacturers and suppliers. In this work, we focus on the positive displacement meters pd meters for refined liquid hydrocarbons. The reasons companies standardize on our meters are simple. The mini meter is a positive displacement flow meter best suited for measuring lubrication oils for various kinds of machines and instruments in the management of fuel oil consumption with small oil burner. Master meters design engineer responsible for crafting our mmpd oscillating piston meter is a lifetime member of the american water works association, and the recipient of their coveted george anderson award for his leadership on the awwa standards committee for water meters. Highprecision gas meters are usually a hybrid combining a standard pd meter and a. Permanently lubricated series 3 accessories combine a long life expectancy with a. Inexpensive explosionproof positive displacement flowmeter. 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. A basic analogy would be holding a bucket below a tap, filling it to a set level.
Positive displacement flowmeters positive displacement flowmeters measure flowrate through the continuous filling and emptying of a chamber of known volume. Total control systems is a leading manufacturer of measurement systems. Positive displacement flowmeters differ from positive displacement pumps only in that, rather than being driven by motors, they are driven by the fluid flowing through them. Top 6 positive displacement flow meter manufacturers 2017. Displacement volumetric meter is the same topic under a different incorrectly capitalized title. A key distinction of positive displacement flow meters is that they offer direct measurement of the volumetric flow rate. Positive displacement flow meters accurate flow measurement. Comparison of turbine with positive displacement meters. Comparison of turbine with positive displacement meters for. 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. Positive displacement flow measurement technology accurately measures the volume of liquid or gas passing through the flow meter. Fundamentals and principles of diaphragm meters james thomson sensus metering systems 805 liberty blvd. Centrifugal and positive displacement pumps course no. Positive displacement flow meter description our positive displacement flow meter is a kind of oval gear flow meter,along to positive displacement flow meter.
Macnaughts positive displacement flow meters are suitable for a wide range. Positive displacement flow meters, master pd flowmeter. With only 2 moving parts, the positive displacement meter offers trouble free operation and long service life. 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 meter, master pd flowmeters, preset batching flowmeter, tank truck loading flowmeter, manufacturer, pune, maharashtra, india. Do not use a wrench or channellock to aid in handinstalling the pickup sensor. About positive displacement flow meters instrumart. Positive displacement flow meters at best price in india. Dresser meters and instruments product selection guide.
Lc meters incorporate a unique design, presenting minimal intrusion in a flowing stream of liquid, as well as minimal. Each pulse represents a known volume of liquid that is captured in between the lobes of the impellers. Magnets embedded within the gears initiate a high resolution pulse train output. 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 selection, installation, testing, and maintenance. Invalco product catalog 3 pa6 preamplifier pa6 preamplifier is designed to be used with the smith meter turbine meters and d transmitters on pd meters to convert the low voltage sinusoidal signal to a square wave pulse form that can be used to increase the transmission distance. Positive displacement flow meter what it is and how does.
Pd meters, conventional turbine meters, helical turbine meters. Positive displacement pd flow meters flow heaters technology overview positive displacement pd flow meters are the only flow measuring technology to directly measure the volume of fluid that passes though the flow meter. A positive displacement flow meter measures flow by displacing a precise and known volume for each revolution of their internal parts. 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. This technology works by directing the fluid to mechanically displace components within the meter to measure its flow as discreet parcel volumes. It achieves this by trapping pockets of fluid between rotating components housed within a high precision chamber. Positive displacement pd liquid meters have long been the standard of measurement for liquid hydrocarbons such as crude oil. Positive displacement flow meters a positive displacement flow meter measures flow by displacing a precise and known volume for each revolution of their internal parts. The smaller these clearances are, relates to how high the accuracy will be. Connected in series with the hydraulic circuit of a hydraulic drive system. This is accomplished through the known volume that is displaced for each. Series pdm flowmeter types of positive displacement meters nutating disc rotating valve oscillating piston oval gear rotating lobe birotor rotating impeller. Accurate measurement of liquid flow is of paramount importance to maintain supreme quality of several industrial processes.
A short history of positive displacement flowmeters. Positive displacement flow meters are precision made liquid measuring flow meters. Positivedisplacement meters split the flow of liquids into separate known. Jul 03, 20 a 15 second video demonstrating positive displacement flow meter calibration for a low flow oil application. Positive displacement flowmeters general offering reduced pressure drop versus traditional circulargear type pd meters. Posted in positive displacement flow meter on october 30, 2015. Flow meter resources flow meter application advisor. Aug 25, 2014 posted in positive displacement flow meter on august 25, 2014. The piston movement is transferred by magnetic drive to a straight reading. Positive displacement flow meter positivedisplaceme ntflowmeter. Rotating positive displacement meters one of the main benefits of using a pd flow meter is the high level of accuracy that they offer, the high precision of internal components means that clearances between sealing faces is kept to a minimum. Positive displacement flowmeters measure flowrate through the continuous filling and emptying of a chamber of known volume.
Comes complete with operators manual, mating connector, and 10point nist calibration. A 15 second video demonstrating positive displacement flow meter calibration for a low flow oil application. Over the years, numerous design improvements have resulted in an expanded product line that now serves industrial as well as petroleum applications. While pd meters are operated by the kinetic energy of the flowing fluid, metering. Its simple design with only two pairs of blades and one moving rotor makes it. Tms use a bladed rotor contained in a flow tube that is axially suspended in the direction of flow. These meters were improved, and the disc began to be made of hard rubber in the early 1900s. These positive displacement flow meter companies can design, engineer and manufacture positive displacement flow meters to your specifications and application need. The oval gear meters are positive displacement flowmeters where the passage of liquid causes two oval gears to rotate within a precision measuring chamber and with each rotation a fixed volume of liquid passes through the meter. Positive displacement flow meter flow meter directory. Applications include lubricants, fuels, chemicals and solvents, oils and greases.
The meter is bidirectional and it has an extremely large turndown ratio, up to. Positive displacement type flow meter applications of positive displacement meters. When factors combine, the individual effects could amplify and pose a safety. By directing the fluid to mechanically displace components in the meter in. By combining hard rubber on brass, the life of the meter was. 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. 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. Positive displacement water meters from zenner performance utilize a magnetically driven, positive displacement, oscillating piston design. There are several types of flow measurement equipment available, which support several demanding operations across industries. Positive displacement flow meters are the only flow measuring technology to directly measure the volume of fluid that passes though the flow meter. The blancett positive displacement flow meter provides high measurement accuracy for fluids over a wide viscosity range. Positive displacement flow meter, jsn positive displacement. Jul 31, 2012 the oval gear meters are positive displacement flowmeters where the passage of liquid causes two oval gears to rotate within a precision measuring chamber and with each rotation a fixed volume of liquid passes through the meter. Smith pd meter displacement meters for liquid measurement.
The alovpd meter comes with a rugged batterypowered display module that indicates flow rate and totalized flows in userconfigurable engineering units. A positive displacement flow meter is a cyclic mechanism built to pass a fixed volume of fluid through with every cycle. Positive displacement flow meters houston, tx flowtech. Oval mini meter positive displacement flow meter aug 10, 2016 2316 the mini meter is a positive displacement flow meter best suited for measuring lubrication oils for various kinds of machines and instruments in the management of fuel oil consumption with small oil burner.
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. Our meters are used worldwide in a multitude of applications including agriculture, aviation, lpg. Troubleshooting tips for positive displacement flow meters. The smith meter genesis series is the future in positive displacement meter technology. Dec 05, 20 positive displacement flow meter positivedisplaceme ntflowmeter. Applications, advantages and disadvantages of positive. Flow computer for compensating blend oil temperature el4401. Positive displacement flow meters operation and installation manual 7. Positive displacement flow meters are frequently specified as they offer high accuracy and repeatability. Flowmeters in water supply, manual m33, awwa, 1989. Positive displacement flow meter, master pd flowmeters. 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.
High accuracy, general versatility and positive displacement flowmeter. Positive displacement meter is a type of flow meter that requires fluid to mechanically displace components in the meter in order for flow measurement. Posted in positive displacement flow meter on august 25, 2014. Positive displacement pdm and turbine tms are the two types of flowmeters acceptable as primary measurement instruments for custody transfer of liquid petroleum products. It is designed to measure clean potable water only in residential, commercial and industrial settings. Positive displacement flowmeters operational manual for models g004, g015, g045, g105, g240. Oct 30, 2015 posted in positive displacement flow meter on october 30, 2015 accurate measurement of liquid flow is of paramount importance to maintain supreme quality of several industrial processes. The product utilizes a piston that water use rotates in a measuring chamber, each piston revolution being equivalent to a known volume of water. These are available in single, double and triple capsule models to suit applications covering a wide range of flow capacities. The emphasis will be on the factors influencing the design and performance of the. The smith meter genesis series pd meters unique patent pending integrated electronics with direct pulse output offers longevity and application versatility for economical measurement. Positive displacement flow meter calibration youtube.
A bypass valve should be installed between the inlet and outlet ports in parallel to the flow meter to allow flow through the system in the event that the flow meter becomes blocked by foreign material. The c700 polymer meter is a positive displacement type meter operating on the oscillating piston principle. Positive displacement meters provide high accuracy 0. Ifc inflow offers positive displacement flow meter. A quick and easy to use request for quote form is provided for you to contact these positive.
Ppd positive displacement meter zenner positive displacement water meters utilize a magnetically driven, positive displacement, oscillating piston design. The satam positive displacement meter pd meter is a system with freelymoving blades used to measure petroleum products such as fuels, biofuels and refined liquid hydrocarbons and non corrosive chemicals. Dubois, pennsylvania 15801 introduction a diaphragm meter is a positive displacement instrument which is used to measure the volume of gas that passes through it. That article has nothing unique in it and ought to be a redirect to this title. Flow measurement of liquid hydrocarbons with positive. Positive displacement flowmeters chemical engineering. Hydraulic testing, chemical injection or chemical dosing, pharmaceutical application and similar precision applications. The cbro flow measurement industrial oval gear meter is a lowflow, positive displacement flow meter designed for clean fluids. Positive displacement large cold water meters rg3 meter company. 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. Master meters design engineer responsible for crafting our mmpd oscillating piston meter is a lifetime member of the american water works association, and the recipient of their coveted george anderson award for his leadership on.
Only fluid that is able to bypass this seal does not get counted, this is. Typical positive displacement flow meter types oval gear, nutating disc, piston and rotary vane principles shown oval gear explanation as fluid passes through the metering chamber by entering the inlet port, it forces the internal gears to rotate and exits through the outlet port. Ifc inflow offers positive displacement flow meter and swivel jointco. Positive displacement premier control technologies.
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