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