They then measure the drag force on the inserted target and convert it to the flow velocity. Nutating disc flow meters are very popular pd positive displacement flow meters, capable of high levels of repeatable accuracy. Veris impeller meters are designed to be your most reliable and cost effect liquid metering solution. Nutating disc meter rcdl, plastic housing for clean and. The 800 series digital meter features nutating disc positive displacement technology. Flow meter fmc fmj for lowviscosity, also slightly soiled nutating disc meter for mobile use with flux drum and container pumps fmc 100 or stationary in plant engineering fmc 250 for liquids up to max. Kobold rotating vane flow meters series drg are used for measuring and monitoring low viscosity liquids. However, what makes it positive is capillary sealing between the measuring element and the side wall or the meshing components. The simple and reliable operating principle allows water to flow into the chamber, which causes the disc to nutate. The rcdl meter has a simple, efficient design for high. The flow meter achieves low permanent head loss due to the shape of the cone itself, which minimizes energy losses commonly caused by areas of low flow, cavitation and erratic flows. Oscillating piston flow meter limitations of positive displacement meters. Nutating disc meters are the most common and accurate type of positive displacement meters.
Check all systems for flow of liquid, including valves ahead of the meter. A nutating motion of the disc is generated when flow enters the meter chamber. The 800 series digital meter features nutating disc, positive displacement technology. Fm nutating disc flowmeter for chemicals, 775 lmin, battery powered digital display, 1 npt fm connections. Field test best practices nutating disk water meter. All parts are designed and built of materials to meet your application, providing you with long life and a troublefree, precision flow meter. Managing merger and acquisition compliance interim procedures consolidating cash transactions for ctrs cashing onus checks for both banks within 60 days of acquisition date notify fema of any change in servicer of a loan transfer mlo registrations. It requires a small one inch opening and has minimal fluid obstruction for low pressure loss. Nutating disc flow meter series ts from lutz pumps almost unlimited application possibilities. The resolution of pulse outputs on water meters is typically 50 to 200 pulses per gallon of flow. Temperature, viscositys, velocity, materials of construction, meter accuracy, power requirements and piping arrangements all must be factored into the selection process. Conical flow meter offers accuracy and repeatability.
This is the merger of two companies selling different but related products in the. However, they are capable of sensing much smaller flow rates, and can be used to identify leakage in domestic water systems. It is far less costly than other positive displacement flowmeters, and fluid meters are capable of measuring low flow rates. Flow meter fmc fmj for lowviscosity, also slightly soiled nutating disc meter for mobile use with flux drum and container pumps fmc 100 or stationary in plant engineering fmc 250. 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. When fluid enters the chamber, it causes the disc to wobble nutate, transferring the displaced volume to the register. The positive displacement nutating disc flow meter uses a precisely machined chamber for high accuracy flow measurement.
Nutating disc flow meters working principle instrumentationtools. The badger meter recordall model nutating disc series meters meet or exceed the most recent revision of awwa standard c700 and are available in a leadfree bronze alloy. Well suited for measuring the flow of water and other fluids, hot or cold, this meter can be combined with most badger mechanical and electronic accessories for applicationsincluding batching and inventory. Nutating disc flow meters working principle s bharadwaj reddy june 10, 2016 july 22, 2019 nutating disc flow meters are one of the most common types of positive displacement flow meter. Nutating disc flow meter series ts with volume preselection.
Fillrites line of mechanical flow meters are designed to meet the stringent demands of customers who need to monitor fuel usage accurately and dependably. Nutating disc flow meter series ts from lutz pumps usa toll free. Each flow meter is sized to meet the desired application requirements and may be specifically designed to have high or low head loss. The most common type of displacement flow meter is the nutating disk, or wobble plate meter. This simple to use, durable meter provides current and cumulative flow totals, and is field programmable for convenience and versatility. Handling and storage save these instructions inspection and handling do not dispose of the carton or packing materials. Reciprocating piston type welcome accurate flow meters. Smcs almpd microflowmeter is a nutating disk positive displacement meter designed for precise measurement of ultralow flow rates.
Nutating disc meter rcdl nickel coated for clean and. Electronic nutating disc flow meter great plains industries. Flow meters page 241 limit checking with two flow meters when two flow meters are used, you may select which meter is used for limit checking. A nutating disc engine also sometimes called a disc engine is an internal combustion engine comprising fundamentally of one moving part and a direct drive onto the crankshaft. For the sake of brevity the electronic nutating disc flow meter may sometimes hereinafter be simply referred to as the flow meter 1. Available in five sizes, 12 through 2 for flows up to 170 gpm, these meters are extremely rugged and reliable. The most versatile meter in the category is the small diameter impeller sdi series. Ideal for industrial applications with flow rates up to 116 gpm and 250 scfm.
Nutating disc meter models for industrial use with only one moving part, these simple and economical positive displacement meters are ideal meters for industrial, commercial and municipal services. Nearly all flow meters must be installed so that there is a significant run of straight pipe before and after the location of the flow meter. Positive displacement nutating disc meter niagara meters. 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. Nutating disc meter bronze and thermoplastic description the badger meter recordall rcdl positive displacement meters are one of the most cost effective methods in metering industrial fluids. The housing 8 includes a base 10 and a cover plate 12.
The top and lower part of the meter chamber are cone shaped. Flowtechniks fm series nutating disc flowmeters provide simple and reliable flow measurement for monitoring the use of agricultural herbicides and pesticides as. Initially patented in 1993, it differs from earlier internal combustion engines in a number of ways and utilizes a circular rocking or wobbling nutating motion, drawing. Nutating disc flow meters are one of the most common types of positive displacement flow meter. Measuring the flow of fluids and gasses over wide process operational variations has proven to be quite puzzling. Each package should be inspected upon receipt for damage that may have occurred due to mishandling during shipping. A ball bearing centralizes the disc between the two cones. Nutating disc meters rcdl distributor of flow meters.
The inlet and outlet parts of the meter chamber are separated by a partition plate. Rarely does one type of meter ever fit multiple applications. Merger of a customer and company or a supplier and company. They are normally limited to higher viscosity fluid with very low viscosity liquid or in gas this meter is less accurate because there is more leakage in. The modular flow meter system ts handles thinbodied to semiviscous, neutral, aggressive and highly flammable liquids, whether mobile or.
The badger meter rcdl nutating disc flow meter is an accurate, cost effective solution for metering industrial fluids. This includes the merger of two companies that sell the same products in different markets. However, they are capable of sensing much smaller flow rates, and can be used to. Measures in gallons, liters, quarts, pints, ounces, and special units field selectable. Nutating disk displacement flow meter is sometimes refered to as a nutating disk meter. Maintenance is seldom required, but if necessary, takes only a few minutes. For corrosive application nutating disc is made from teflon ss 316 and other components are made of stainless steel 316304. Truflo meters combine the lowflow sensitivity of a disctype meter with the highflow capacity of a turbinetype meter.
Accurate flowmeters custody transfer meter ctm is a reciprocating piston type positive displacement, volumetric flow meter. This type of flow meter is normally used for water service, such as raw water supply and evaporator feed. The rcdl disc flow meter combines the accuracy of positive displacement design with the reliability and economy of nutating disc technology. Complete separation between inlet and outlet chamber volumes is always achieved by one dedicated disc diameter line. Mobile on a drum pump or in stationary process applications. Use the meter only with the liquid for which it was ordered and within the specified limits of pressure, temperature, and flow rate. It will measure fluids in ounces, pints, quarts, liters, gallons, and in user specified units. Flowtechniks fm series nutating disc flowmeters provide simple and reliable flow measurement for monitoring the use of agricultural herbicides and pesticides as well as light industrial chemicals. Example merger of a cone supplier with an ice cream maker. The rcdl disc meter combines the accuracy of positive displacement design with the reliability and economy of nutating disc technology. Series drg flow meters are working according the well known rotating vane principle. C702, and maximum continuous flow rates may be exceeded by as much as 25% for intermittent periods. Niagara nutating disc meter installation, operation and.
Disadvantages of nutating disc flow meters archives. Our pdf merger allows you to quickly combine multiple pdf files into one single pdf document, in just a few clicks. Operating instruction for rotating vane flow meter model. A magnet fitted in the vane and hermetically sealed from the medium transfers the rotary motion of the vane to a halleffect sensor mounted in the housing. A mechanical meter which has an oscillating piston, nutating disc wobble plate or similar measuring element is termed a positive displacement meter. Rcdl nutating disc badger meter recordall nutating disc. You can merge the multiple pdf document using merge method of pdfdocumentbase class, by specifying the. Nutating disc meters are positive displacement meters. C22 flow sensor combined with highspeed arm processor fastacting diaphragmfree valve assembly highvisibility lcd display independent diagnostic service port true mass flow measurement, not inferred inherent fluid densitometer selectable multivariable outputs of mass flow or volume flow and density or temperature.
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. This is intended to allow the straight pipe run to smooth out any turbulence produced by the presence of valves, thermowells, chemical injectors and diffusers, and changes in pipe direction. In large pipe diameter pd flowmeters are heavier and expensive than the differential pressure type flow meters. Touchscreen display with multilingual operating menu. Micro flow meter by dea can measure low flow liquids. Models are well suited for measuring the flow of water and other fluids, hot or cold, this meter can be combined with most. Nutating disc meter displacement meter badger meter. Nutating disc micro flow pd flowmeter smartmeasurement. The meters comply with the leadfree provisions of the safe drinking water act, are certified to nsfansi standards 61 and 372 trade designation. Badger meter rcdl nutating disc flow meter positive. Rugged construction, easy to read numbers, and the flexibility of horizontal or vertical positioning are just three features of these superior meters.
In nutating disc flow meters, when fluid enters the chamber, it causes the disc to rotate and this is used to measure flow rate. The accuracy of disk meters drops off significantly at flows below about. Flow meter reading procedure to observe flow meter readings, from the base menu. Allows for insertion and removal by hand without system shutdown. Application the truflo compound water meter is designed to register wideflow ranges where varying flow rates are typical. Alternately, you may check the total flow from both meters. Our nutating disc meters are used for batching, blending, process control and dispensing of liquids in all liquid handling industries. In practice, closedchannel flow is normally encountered between treatment units in a wastewater treatment plant, where liquids andor sludges are pumped under pressure. Each disc nutation represents a fixed quantity of water, so the total flow is calculated by the total number of nutations. The rcdl meter has a simple, efficient design for high accuracy and repeatability over the entire meter flow range.
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