Operating instruction for rotating vane flow meter model. 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. 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 displacement meter badger meter. 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. 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. Smcs almpd microflowmeter is a nutating disk positive displacement meter designed for precise measurement of ultralow flow rates. Nutating disc flow meter series ts with volume preselection. Flowtechniks fm series nutating disc flowmeters provide simple and reliable flow measurement for monitoring the use of agricultural herbicides and pesticides as. Nutating disc meters are the most common and accurate type of positive displacement meters.
Micro flow meter by dea can measure low flow liquids. Alternately, you may check the total flow from both meters. Nutating disc flow meters are one of the most common types of positive displacement flow meter. Our nutating disc meters are used for batching, blending, process control and dispensing of liquids in all liquid handling industries. Touchscreen display with multilingual operating menu. 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. Fm nutating disc flowmeter for chemicals, 775 lmin, battery powered digital display, 1 npt fm connections. Nutating disc flow meters are very popular pd positive displacement flow meters, capable of high levels of repeatable accuracy. The rcdl meter has a simple, efficient design for high. In nutating disc flow meters, when fluid enters the chamber, it causes the disc to rotate and this is used to measure flow rate.
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. Disadvantages of nutating disc flow meters archives. Truflo meters combine the lowflow sensitivity of a disctype meter with the highflow capacity of a turbinetype meter. C702, and maximum continuous flow rates may be exceeded by as much as 25% for intermittent periods. 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. 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. Nutating disc meter rcdl, plastic housing for clean and. Veris impeller meters are designed to be your most reliable and cost effect liquid metering solution. 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. The positive displacement nutating disc flow meter uses a precisely machined chamber for high accuracy flow measurement. Nutating disc flow meter series ts from lutz pumps almost unlimited application possibilities. Temperature, viscositys, velocity, materials of construction, meter accuracy, power requirements and piping arrangements all must be factored into the selection process.
In large pipe diameter pd flowmeters are heavier and expensive than the differential pressure type flow meters. Accurate flowmeters custody transfer meter ctm is a reciprocating piston type positive displacement, volumetric flow meter. Measures in gallons, liters, quarts, pints, ounces, and special units field selectable. You can merge the multiple pdf document using merge method of pdfdocumentbase class, by specifying the. Allows for insertion and removal by hand without system shutdown. Each flow meter is sized to meet the desired application requirements and may be specifically designed to have high or low head loss. 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. Field test best practices nutating disk water meter. The resolution of pulse outputs on water meters is typically 50 to 200 pulses per gallon of flow. Kobold rotating vane flow meters series drg are used for measuring and monitoring low viscosity liquids. 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. A mechanical meter which has an oscillating piston, nutating disc wobble plate or similar measuring element is termed a positive displacement 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.
Maintenance is seldom required, but if necessary, takes only a few minutes. Complete separation between inlet and outlet chamber volumes is always achieved by one dedicated disc diameter line. They then measure the drag force on the inserted target and convert it to the flow velocity. Rugged construction, easy to read numbers, and the flexibility of horizontal or vertical positioning are just three features of these superior meters. The badger meter rcdl nutating disc flow meter is an accurate, cost effective solution for metering industrial fluids. Nutating disc flow meter series ts from lutz pumps usa toll free. Available in five sizes, 12 through 2 for flows up to 170 gpm, these meters are extremely rugged and reliable.
Use the meter only with the liquid for which it was ordered and within the specified limits of pressure, temperature, and flow rate. 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. This is the merger of two companies selling different but related products in the. They operate by having a disc mounted to a central ball. Each disc nutation represents a fixed quantity of water, so the total flow is calculated by the total number of nutations. It is far less costly than other positive displacement flowmeters, and fluid meters are capable of measuring low flow rates. Each package should be inspected upon receipt for damage that may have occurred due to mishandling during shipping. The 800 series digital meter features nutating disc, positive displacement technology. Positive displacement nutating disc meter niagara meters. Nutating disc meter rcdl nickel coated for clean and. Our pdf merger allows you to quickly combine multiple pdf files into one single pdf document, in just a few clicks. The top and lower part of the meter chamber are cone shaped. Oscillating piston flow meter limitations of positive displacement meters. The rcdl meter has a simple, efficient design for high accuracy and repeatability over the entire meter flow range.
The meters comply with the leadfree provisions of the safe drinking water act, are certified to nsfansi standards 61 and 372 trade designation. Nutating disc meters rcdl distributor of flow meters. Check all systems for flow of liquid, including valves ahead of the meter. Badger meter rcdl nutating disc flow meter positive.
Rcdl nutating disc badger meter recordall nutating disc. The most common type of displacement flow meter is the nutating disk, or wobble plate meter. Models are well suited for measuring the flow of water and other fluids, hot or cold, this meter can be combined with most. Series drg flow meters are working according the well known rotating vane principle. The most versatile meter in the category is the small diameter impeller sdi series. Electronic nutating disc flow meter great plains industries. Handling and storage save these instructions inspection and handling do not dispose of the carton or packing materials. A nutating motion of the disc is generated when flow enters the meter chamber. Mobile on a drum pump or in stationary process applications.
In practice, closedchannel flow is normally encountered between treatment units in a wastewater treatment plant, where liquids andor sludges are pumped under pressure. 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 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. For corrosive application nutating disc is made from teflon ss 316 and other components are made of stainless steel. A ball bearing centralizes the disc between the two cones.
The housing 8 includes a base 10 and a cover plate 12. 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 stationary. Application the truflo compound water meter is designed to register wideflow ranges where varying flow rates are typical. For corrosive application nutating disc is made from teflon ss 316 and other components are made of stainless steel 316304. 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. All parts are designed and built of materials to meet your application, providing you with long life and a troublefree, precision flow meter. However, they are capable of sensing much smaller flow rates, and can be used to identify leakage in domestic water systems.
Fillrites line of mechanical flow meters are designed to meet the stringent demands of customers who need to monitor fuel usage accurately and dependably. The simple and reliable operating principle allows water to flow into the chamber, which causes the disc to nutate. Reciprocating piston type welcome accurate flow meters. Each package should be inspected upon receipt for damage that may have occurred due to. Target flowmeters, also known as drag force flowmeters, insert a target drag element, usually a flat disc or a sphere with an extension rod, into the flow field. The modular flow meter system ts handles thinbodied to semiviscous, neutral, aggressive and highly flammable liquids, whether mobile or.
Nutating disc flow meters working principle instrumentationtools. However, what makes it positive is capillary sealing between the measuring element and the side wall or the meshing components. Niagara nutating disc meter installation, operation and. The accuracy of disk meters drops off significantly at flows below about. Meters are graduated for direct reading of water and air. 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. 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. The 800 series digital meter features nutating disc positive displacement technology. This includes the merger of two companies that sell the same products in different markets.
When fluid enters the chamber, it causes the disc to wobble nutate, transferring the displaced volume to the register. It requires a small one inch opening and has minimal fluid obstruction for low pressure loss. It will measure fluids in ounces, pints, quarts, liters, gallons, and in user specified units. The rcdl disc meter combines the accuracy of positive displacement design with the reliability and economy of nutating disc technology. Flow meter reading procedure to observe flow meter readings, from the base menu. Rarely does one type of meter ever fit multiple applications.
The inlet and outlet parts of the meter chamber are separated by a partition plate. Ideal for industrial applications with flow rates up to 116 gpm and 250 scfm. Applications, advantages and disadvantages of positive. 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. Measuring the flow of fluids and gasses over wide process operational variations has proven to be quite puzzling.
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