Meter systems alpecos range of truck meter systems combine world renown liquid controls flow meters, with industry proven cargo pumps and dmx gas separators from blackmer. Oval gear flow meters, nutating disc flow meters and oscillating piston are all examples of meter types that use positive displacement in order to accurately measure flow. Or series oval gear positive displacement flow meters in aluminium, stainless steel, polypropylene or pvdf with measuring ranges from 0. Archived pdf from the original on 25 september 2015. Positive displacement flow meters oval gear flow meters, nutating disc flow meters and oscillating piston are some of the positive displacement flow meters that we have available to hire. This usually occurs between the rotor and the side plates of the meter. Positive displacement flow meters require no upstreamdownstream straight pipe lengths so, if required, a filter can be directly bolted to the inlet port. Positive displacement flow meter, jsn positive displacement. Jvkg spur gear flow meters datasheet pdf jvkgex spur gear flow meters datasheet pdf jvxxxkg maintenance guide pdf jvxxxkg pressure drop charts pdf pd gear meter manual pdf awlake gear flow metes brochure pdf aw high pressure jvhskg positive displacement round spur gear meter. For nearly 20 years, leading companies in technologydriven fields have chosen malema sensors components. There are many types of internals such as two or three gear oval gear, nutating disc, rotary piston and sliding vane.
Top 6 positive displacement flow meter manufacturers 2017. Vse positive displacement flow meters flow meters indonesia. 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. Positive displacement flow meters sparling instruments, llc.
They can be used in very viscous, dark colored fluids. Positive displacement flow meters, master pd flowmeter. The design of the fuel monitor utilizes two of aws jvkg positive displacement flow meters, one that meters the supply line and one for the return line. Flow may be bidirectional, such as for cylinder position measurements, without damage to. 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 meter requires fluid to mechanically displace components in the meter. Vse flowmeter vs series positive displacement flowmeter vs positive displacement flow meters are volume rate measuring sensors based on the meshing gear principle and are designed for use with liquids. Positive displacement flow meter, master pd flowmeters. The smaller these clearances are, relates to how high the accuracy will be.
Rz sanitary positive displacement flowmeter the rz series positive displacement flowmeter is the solution to applications requiring precision flow measurement from a sanitary design. Low pressure drop allows for economical pump selection or gravity flow applications. 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. The thing that sets positive displacement flow meters apart is that it utilizes mechanical components that are shifted by the flow of liquid in order to gauge the rate of the flow of that fluid. 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 meter flow meter manufacturers. Figure 3 assists in interpreting your process flow rate, which is an important determinant to the accuracy. A basic analogy would be holding a bucket below a tap, filling it to a set level, then quickly replacing it with another bucket and timing. The trimec micropulse range of oval gear positive displacement flowmeters offer a high level of accuracy and repeatability.
Applications include lubricants, fuels, chemicals and solvents, oils and greases. The reasons companies standardize on our meters are simple. Positive displacement flow meters omega engineering. Round spur gear, positive displacement flow meters for high pressure applications pressure. Positive displacement flow meter, master pd flowmeters, preset batching flowmeter, tank truck loading flowmeter, manufacturer, supplier, pune, maharashtra, india. Output signal is also available on oval flowpeteg 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. Positive displacement flow meters accurate flow measurement. Additional positive displacement flow meter manufacturers.
Positive displacement flow meters are especially good for smaller line sizes, low flow rates, high viscosity and will last a very long time in service, especially on. 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. The blancett positive displacement flow meter provides high measurement accuracy for fluids over a wide viscosity range. Comparison of turbine with positive displacement meters for. The meter is bidirectional and it has an extremely large turndown ratio, up to. Positive displacement flow meters control components. 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. High accuracy positive displacement flowmeter for wide range of fluids including water, petroleum, solvent. Liquid controls m and ma series rotary motion positive displacement pd meters offer the ultimate in measurement accuracy for custody transfer of petroleum products, aviation fuels, lpg, and a. 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. Lc meters incorporate a unique design, presenting minimal intrusion in a flowing stream of liquid, as well as minimal. Positive displacement flow meters directly measure the volume of fluid that passes though the flow meter. Whether you need a single instrument or a complete instrumentation package, siemens is your professional supplier for any project. Macnaughts positive displacement flow meters are suitable for a wide range.
Dynamics of turbine flow meters technische universiteit eindhoven. Two precisely matched gear wheels are enclosed in a very accurately machined housing. Lessons about positive displacement flow meters omega. Instantaneous and total flow indications are available in the field on a digital display. Flow measurement is the quantification of bulk fluid movement. Its best to install the flow meter upstream from control valves and fluid regulators, if possible. Vaf instruments positive displacement liquid flow meters is the most accurate volumetric measurement system.
Gear rotation is sensed by a noncontacting signal pickup system. These robust positive displacement fluid flow measuring devices are available in a wide variety of configurations and options including digital displays. A coriolis massflow meter cmfm is an active device based on the coriolis force prin. A positive displacement flow meter is a cyclic mechanism built to pass a fixed volume of fluid through with every cycle. Flow measurement methods other than positivedisplacement flowmeters rely on forces. Siemens sitrans flow meter positive displacement pd. 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. Comparison of turbine with positive displacement meters. Simplicity of design and construction ensures unmatched accuracy and troublefree operation over long periods of use. Malema sensors is a provider of flow meters, water flow meters, mass flow meters, gas flow meters, turbine flow meters, vortex flow meters, ultrasonic flow meters and flow indicators. A positive displacement flow meter mainly intended for measurement of oil and water fed to a boiler.
Positive displacement pdm and turbine tms are the two types of flowmeters acceptable as primary measurement instruments for custody transfer of liquid petroleum products. Only fluid that is able to bypass this seal does not get counted, this. Sep 15, 2015 positive displacement flow meter the dom series positive displacement flowmeter is the preferred choice for measuring viscous liquids such as lubricatinghydraulic oils, diesel fuels, chemicals, solvents, resins, and pastes. These positive displacement flow meter companies can design, engineer and manufacture positive displacement flow meters to your specifications and application need. Ftb3001,ftb3002 positive displacement flow meters 2. A positive displacement flow meter measures flow by displacing a precise and known volume for each revolution of their internal parts. 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.
This action is achieved by placing a rotating, oscillating, or nutating obstruction in the path of the fluid flow which moves or displaces an exact quantity of fluid with each cycle. Positive displacement nutating disc flow meters flow. Liquid controls m and ma series 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. Positive displacement flow meter flow meter directory. System variants offer mechanical or electronic registration, hose reel and bulk metering with wet or dry hose delivery options, all of which are certified by uk nwml.
Positive displacement flow meters are frequently specified as they offer high accuracy and repeatability. Vaf instruments loflow positive displacement type liquid flowmeters are. Positive displacement flow meters are devices that are used to measure the flow rate of a substance, most commonly a fluid. Tms use a bladed rotor contained in a flow tube that is axially suspended in the direction of flow. Positive displacement flow measurement technology accurately measures the volume of liquid passing through the flow meter. One primary feature of the aw gear meters jvkg flow meter is the ability to maintain consistent accuracy despite changing viscosity conditions. A quick and easy to use request for quote form is provided for you to contact these positive displacement flow meter manufacturers and suppliers.
A key distinction of positive displacement flow meters is that they offer direct measurement of the volumetric flow rate. These are available in single, double and triple capsule models to suit applications covering a wide range of flow capacities. Aw company jvkg series positive displacement flow meter from century control systems, inc. The honeywell versaflow vortex flowmeter has integrated pressure and temperature compensation in 2wire technology, providing maximum performance at the lowest installed cost. A quick and easy to use request for quote form is provided for you to contact these positive. About positive displacement flow meters instrumart. Meter requires fluid to mechanically displace components in the meter. When factors combine, the individual effects could amplify and pose a safety. The meters produce good resolution and high accuracy at low flow rates. The oval gear meters are positive displacement flowmeters where the passage of liquid causes two oval gears to rotate within a precision measuring chamber.
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 liquid flow meters engineering360. Positive displacement flow meter what it is and how does. The dom series positive displacement flowmeter is the preferred choice for measuring viscous liquids such as lubricatinghydraulic oils, diesel fuels, chemicals, solvents, resins, and pastes. Vibration isolation for coriolis massflow meters university of. A positive displacement flow meter is an instrument that measures the flow rate of a fluid by allowing it to move through the meter in balanced, known increments. Positive displacement flow meters are good for smaller line sizes, low flow rates, high viscosity and last a long time in service without any problems, especially for oils. With only 2 moving parts, the positive displacement meter offers trouble free operation and long service life. Measuring the tube displacement in such a way that the change of its mode. Jul 31, 2012 the dom series positive displacement flowmeter is the preferred choice for measuring viscous liquids such as lubricatinghydraulic oils, diesel fuels, chemicals, solvents, resins, and pastes. Positive displacement pumps are self priming because there will be very close clearance between rotary and stationary components of pump. Generally, positive displacement flowmeter offer high accuracy measurement and is suitable for totaling the flowrate. Positive displacement flow meters are designed for low flow and high accuracy over a wide range of fluid viscosity generally used for thicker liquids.
Oval gear positive displacement flowmeters uk flowtechnik. Since there is no need for straight run piping upstream or downstream of the flow meter, the fpd2000 flow meters are simple to use and to install. Series pdm flowmeter outputs reed switch output provides a voltage free contact closure. Positive displacement flow meters are the only flow measuring instrument that. Siemens sitrans flow meter positive displacement pd rotary piston.
Series pdm flowmeter types of positive displacement meters nutating disc rotating valve oscillating piston oval gear rotating lobe birotor rotating impeller. Flow meter resources flow meter application advisor. Oval flowmeter mechanical counter positive displacement. Every cycle of the meters mechanism displaces a precisely. It achieves this by trapping pockets of fluid between rotating components housed within a high precision chamber. Such types of pumps are basically designed for higher pressure application for example hydraulic fluid power application. Series m and ma positive displacement flow meters overview.
Inevitably a very small amount of liquid will pass through the flowmeter without passing through the measuring chamber. Vs positive displacement flow meters are volume rate measuring sensors based on the meshing gear principle and are designed for use with liquids. Series ms positive displacement flow meters overview. This technology works by directing the fluid to mechanically displace components within the meter to measure its flow as discreet parcel volumes. 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. Positive displacement flow meters are precision made liquid measuring flow meters.
Understanding how a positive displacement flow meter works azom. The aw gear meters jvkg series of positive displacement flow meters is both affordable and accurate. Flow may be bidirectional, such as for cylinder position measurements, without damage to internal parts. 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.
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