Positive displacement flow meters fuel flow measurement. Flow meters while the best meter technology depends on the system characteristics, total control systems positive displacement flow meters and components selection criteria will vary based on the following specifications. Positive displacement flow meter positivedisplaceme ntflowmeter. Positive displacement meter is a type of flow meter that requires fluid to mechanically displace components in the meter in order for flow measurement. Find your positive displacement flow meter easily amongst the 72 products from the leading brands dopag, omega, burkert. By eliminating the need for highstrength fasteners, flow technologys unique boltless pressure vessel design provides inherent corrosion resistance in a compact, easytomaintain. By directing the fluid to mechanically displace components in the meter in order to measure its flow as discreet parcel volumes. Meter requires fluid to mechanically displace components in the meter. Smith pd meter displacement meters for liquid measurement. Rz sanitary positive displacement flowmeter the rz series positive displacement flowmeter is the solution to applications requiring precision flow measurement from a sanitary design.
Total control systems tcs piston and rotary positive. 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. Sparlings inventory of oval positive displacement meters are designed for flow measurement of very small flow rates in applications requiring high accuracy. Magnetic pickoff sensors are devices which sense the rotation of the magnets in the tips or faces of the flow technology positive displacement flowmeters impellers, and typically produce a lowvoltage sine. Positive displacement gear flow meters can be installed either a horizontal or. You can measure flow through a variety of different devices such as coriolis, differential pressure, vortex, magnetic. All positive displacement flowmeters operate by isolating and counting known.
A positive displacement flow meter is a cyclic mechanism built to pass a fixed volume of fluid through with every cycle. How to calibrate a positive displacement flow meter. A conversion coefficient kfactor, available in the instruction manual of. Positive displacement flow measurement technology accurately measures the volume of liquid or gas passing through the flow meter. The positive displacement principle is the only accurate method of measuring fluid flow. Positive displacement helical flow sensor and meter. Code 62 flanges are available for the 80 kl and 90kl meters in 3 materials. The meters solid construction and excellent dynamic response are well suited to measurement for many industrial as well as other nonabrasive lubricating. A key distinction of positive displacement flow meters is that they offer direct measurement of the volumetric flow rate. What are the major applications of a positive displacement. Our emerson mining advisor applications will be on display. The blancett positive displacement flow meter provides high measurement accuracy for fluids over a wide viscosity range.
The reasons companies standardize on our meters are simple. Even the most wellmade and sophisticated flow meters degrade over time, resulting in lower accuracy. Smith meter pd meters use a streamlined flow path to minimize pressure drop across the measuring chamber. Positive displacement flow meters sparling instruments. The smaller these clearances are, relates to how high the accuracy will be. Meter data jvkg positive displacement spur gear flow meter ideal for measuring oil, fuel, polyurethane, brake fluid, skydrol and other nonabrasive, low to mediumviscosity lubricating fluids. 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. Positive displacement flow meters are the only flow measuring technology to directly measure the volume of fluid that passes though the flow meter. Positive displacement flow meters are frequently specified as they offer high accuracy and repeatability.
Positive displacement flow meters measure the volumetric flow of fluids in pipes, such as water, hydrocarbons, cryogenic liquids, and chemicals. Positive displacement flow meters are designed for low flow and high accuracy over a wide range of fluid viscosity generally used for thicker liquids they can be used in very viscous, dark colored fluids. Every cycle of the meters mechanism displaces a precisely defined positive. D10 series lead free bronze positive displacement water meters. For example, corrosion or debris buildup can dramatically impact outputs, and a. Dec 17, 2018 even the most wellmade and sophisticated flow meters degrade over time, resulting in lower accuracy.
You can measure flow through a variety of different devices such as coriolis, differential pressure, vortex, magnetic, ultrasonic, turbine and positive displacement meters. Series pdm flowmeter principle of operation the series pdm flowmeter uses the oscillating piston principle where the passage of liquid causes a piston to oscillate. D10 series lead free bronze positive displacement water. Combining the accuracy of positive displacement meters with the reliability and economy of nutating disc technology, the rcdls simple but efficient design is wellsuited for measuring the flow of water and other fluids, hot or cold. Pd meters measure flow directly by separating the flow. Positive displacement flow meters measure the volumetric flow rate of a moving fluid or gas by dividing the media into. 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 flow meters diesel flow meter fuel. Series pdm flowmeter types of positive displacement meters nutating disc rotating valve oscillating piston oval gear rotating lobe birotor rotating impeller series pdm flowmeter. 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. The wmnld is a positive displacement meter that is suitable for use on potable drinking water systems. The fpd3200 series positive displacement flowmeters are affordable and accurate. 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.
With only 2 moving parts, the positive displacement meter offers trouble free operation and long service life. Understanding how a positive displacement flow meter works azom. Og3 oval gear pd positive displacement swept volume. Magnetic pickoff sensors for positive displacement flow meters. Master meters design engineer responsible for crafting our mmpd oscillating piston meter is a lifetime member of the american water works association, and the. What is positive displacement flow meter inst tools. 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. Optional 114 code 62 flanges flange weight lbskg carbon steel 6. Applications include lubricants, fuels, chemicals and solvents, oils and greases.
All sizes include an internal reed switch and for pulse output with a 2 foot long, 2wire cable emerging from the meter. The process fluid must also be free from contaminants. They can be used in very viscous, dark colored fluids. These robust positive displacement fluid flow measuring devices are available in a wide variety of configurations and options including digital displays. A wide variety of positive displacement flowmeter options are available to you, there are 1,017 suppliers who sells positive displacement flowmeter on, mainly located. Apr 09, 2014 positive displacement flow meters are essentially apt for measuring volumetric flow rate of the liquid or gas that helps in mechanical displacement of components that are present inside the meters. Positive displacement flow meter, master pd flowmeters, preset batching flowmeter, tank truck loading flowmeter, manufacturer, pune, maharashtra, india. Magnetic pickoff sensors are devices which sense the rotation of the magnets in the tips or faces of the flow technology positive displacement flowmeters impellers, and typically produce a lowvoltage sinewave signal whose frequency and amplitude is proportional to the rotational velocity of the impellers. Positive displacement flow meters are essentially apt for measuring volumetric flow rate of the liquid or gas that helps in mechanical displacement of components that are present inside the.
The meters have a low starting flow rate and excellent accuracy within the normal flow range. 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 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. Principle of operation flow meters and flow computers. It achieves this by trapping pockets of fluid between rotating components housed within a high precision chamber. 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. These are also considered ideal for applications which require the use of a simple. Known for their highly precise results and high turndown, these flow meters are ideal for viscous fluids. Distributor of positive displacement flow meters such as gas meters. 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. D10 lead free bronze positive displacement water meters contact us for the most recent product and technical information. Rotating positive displacement flow 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.
Flow meters piston and rotary positive displacement flow. High pressure positive displacement flow meter fti meters. Total control systems tcs manufactures piston and rotary positive displacement flow meters, for use in the petroleum, chemical, industrial, food processing, agricultural industries. Badger meter rcdl nutating disc flow meter positive. These are also considered ideal for applications which require the use of a simple mechanical meter system. The badger meter rcdl nutating disc flow meter is an accurate, cost effective solution for metering industrial fluids. Positive displacement flow meter what it is and how does it work. Eliminate all dirt, debris and metal shavings from the piping as the liquid must be free from any par ticles larger than. In general, a positive displacement flow meter consists of a chamber or cavity which restricts the flow.
Helical rotor flow meter and sensor hydraulic oil positive. Flow meter size macnaught positive displacement flow meters are available in a range of sizes that are. Rotary positive displacement meter w electronic registration. Magnetic pickoff sensors for positive displacement flow. With only 2 moving parts, the positive displacement meter offers trouble free. Lessons about positive displacement flow meters omega. Macnaughts positive displacement flow meters are suitable for a wide range. For example, corrosion or debris buildup can dramatically impact outputs, and a positive displacement flow meter can be subject to either depending on the fluid being measured and the surrounding operating conditions. Positive displacement pd flow meters measure the volumetric flow rate of a moving fluid or gas by dividing the media into fixed. Team is available free ofcharge to assist in the specification and identification of a suitable meter.
Positive displacement flow meter, master pd flowmeters. 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. Helical flow meters are positive displacement meters with a very favorable low pressure drop behavior. Positive displacement flow meters are the only flow measuring instrument that can directly measure the. Dec 05, 20 positive displacement flow meter positivedisplaceme ntflowmeter. The compact rugged og3 oval gear positive displacement flowmeter is designed to give high performance with a low cost of ownership. Leaders in our field, we design and manufacture worldclass products. Due to wide measuring ranges, high accuracy and resolution helical flow meters are an excellent choice for laminating systems, painting systems. Flow meters while the best meter technology depends on the system characteristics, total control systems positive displacement flow meters and components selection criteria will vary based on the. Rotating positive displacement flow 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. The aw gear meters microflow is a positive displacement flow meter designed for flow measurement of low and medium viscosity such as solvents, polyurethanes, oils and other nonabrasive fluids at very low rates like those found with chemical injection. The pipe must be filled with liquid and free from air bubbles.
The liquid controls positive displacement flowmeter series directly converts volume to rotational output with minimum scope for. Flow measurement is the process of measuring fluid in your plant or industry. The most accurate for volume measurement, smith meter double case positive displacement meters utilize a rotaryvane principal to obtain direct measurements from the flow stream without relying on inference technology. Positive displacement flow meter what it is and how does. Positive displacement flow meters omega engineering. Refine by no filters applied browse by brand, price. Lc meters incorporate a unique design, presenting minimal intrusion in a flowing stream of liquid, as well as minimal. In this article how positive displacement flow meters measure the volume of fluid is explained. Series ms positive displacement flow meters overview. 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. Positive displacement flow meters are the types of flowmeters which are suitable for measurement of viscous liquid flows. No other technology can achieve such accuracy because measurement becomes inferred, which is indirect and subject to assumption. The patented, highly accurate flow technology bl series positive displacement flowmeter is ideal for high pressure applications, such as methanol injection. Nist traceable calibrations are performed on the fluid being used in most cases and on simulated blend oil in some cases.
Combining the accuracy of positive displacement meters with the reliability and. Aw gear meters microflow positive displacement flow meter. Wmnld series lead free brass positive displacement water. This positive displacement flowmeter with dis play type. The aw gear meters microflow positive displacement flow meter provides fast and accurate measurement of lowviscosity fluids, such as saline, for flow ranges from 0. Positive displacement flow meter for industrial processes.