The meter tracks the flow rate continuously, offers little resistance to flow and has a unique cartridge. We provide best solutions that will meet the extreme conditions. Innovasonic the transittime ultrasonic flow meters for precise. The book, principles and practice of flow meter engineering by l. The meter has a wide range and can accommodate very low flow rates as well as a high speed of flow. Our pickups in the flow meter detect the rpm of the wheel through the body of. Turbine flow meter working principle instrumentationtools. Its output frequency has a linear relationship to gas velocity over a wide flow range. Straight pipe length the required minimum length of straight. Nuflo liquid turbine flow meters turbine meter company.
Flow through the meter not accounted for in the measurement chamber but which flows though these clearances is commonly known as slippage. Combined p, t and q measurement possible with additional sensors. Turbine flowmeter series f7002 general f7002 turbine flow meters f7002 turbine flow meters hereinafter referred to as turbines are used for the precise measurement of instantaneous flow of lowviscosity fluids rates and flow quantities such as. Our turbine meters are available in a range of materials including pvc, pvdf, nylon, stainless steel, aluminium and bronze.
Due to the laws of physics, for optimum results any flow meter including turbine flow meters should be operated as high up in their turndown range as possible. Flow measuring devices are generally classified into four groups. Hm series turbine flow meters operating instructions. Nuflo liquid turbine flowmeter sky eye measurement. Fluid flow through the meter impinges upon the turbine blades which are free to rotate. The turbine flow meter contains a free spinning turbine rotor that turns at a speed that is proportional to the flow velocity. Hoffer oval gear positive displacement flow meters. Meter designs are of the variablearea type and operate with a relatively low, pressure drop. A turbine flow meter is used for volumetric total flow andor flow rate measurement and has a relatively simple working principle. When choosing flow meters, one should consider such intangible factors as familiarity of plant personnel, their experience with calibration and maintenance, spare parts availability, and mean time between failure history, etc. Tfxl flow meter an economical meter designed to replace mechanical flow meters, tfxl flow meter outputs square wave or turbine meter simulated signals or 420 ma.
Flow meter body is a sturdy, onepiece construction, precision. The model 2000 is a volumetric flow rate indicatortotalizer that provides local display and transmits flow data for control capability. Piping should be the same size as the meter bore or port. List of approved closed conduit flow meters idaho department of. Turbine flow meter installation and operation guide. Practical aspects of turbine flow meters calibration and. Although designed to measure volumetric flow, a turbine meter responds to the. Flow meter is a device that measures the rate of flow or quantity of a moving fluid in an open or closed conduit. Turbine flow meter paddled wheel flow meter 1 rotation 367l turbine 1 rotation 367l turbine. The nuflo gas turbine flow meter provides accurate gas flow measurement by utilizing a lightweight, low inertia rotor to sense gas velocity. Flow through the meter is caused by differential pressure across the measuring chamber. The flow meter mounts directly in the flow line and consists of a cylindrically bored housing, a flow straightener and turbine assembly, and a magnetic pickoff, as shown in figure 1.
Nuflo turbine flow meters indicate flow rate and measure total throughput. Meter size selection flow meter size selection should be based on the instantaneous. Transducers for tfx ultra and tfxl multiple options are available for a variety of pipe sizes and. Badger meter was a pioneer in flow measurement and can look back today at many patents in that field. Each mcii is calibrated for operation with a particular flow meter at the factory, but it can be recalibrated for any compatible flow. The model mcii flow analyzer was designed to be mounted either directly atop its companion flow meter or, with optional hardware, on vertical or horizontal 2 pipe. B c d f e a installation and instruction manual for universal flow monitors, inc. The blade will rotate as the friction moment and the fluid resistance are overcome andit willreachastable speedwhen themomentsare at balance. Turbine flow meter manual 0514 072 518 page 4 section 1.
A turbine flow meter is a liquidgas velocity measurement device. It is widely used for liquids which are not corrosive to stainless steel, and do not have fibre or particles. Halliburton turbine flow meters indicate flow rate halliburton liquid turbine flow meters and measure total throughput of a liquid line. Meter is a leading marketer and manufacturer of flow measurement and control devices since 1905. A low range peak flow meter is for small children, and a standard range peak. Operating manual flow meters vsi upgrade high definition download. Undergoing nine revisions, the last addition was printed in 1978 21. A flow meter is an instrument used to measure linear, nonlinear, mass or volumetric flow rate of a liquid or a gas. Align the meter bore with the pipe, ensuring that the direction of flow corresponds with the direction of the arrow engraved on the meter body. Total flow value kept for 10 years after power off. Due to the laws of physics, for optimum results any flow meter including turbine flow meters should be. If the volumetric flow rate being moved through a meter remains constant, a change in flow area will produce a corresponding inverse response in fluid velocity.
Turbine flow meters troubleshooting instrumentationtools. Turbine meters can consist of a single rotor or dual rotors. Under certain conditions, the rotation speed of blade will be in direct proportion to the flow velocity. The nuflo 2 gas turbine flow meter features a transducer that utilizes a lightweight, low inertia rotor to sense gas velocity. Spink 1, first published in 1930, is generally recognised as the first, and for many years the only, definitive collected body of knowledge appertaining to industrial flow measurement. The frequency is a representation of the water current traveling through the flow meter. By putting this fml250 part number at the end of the model selected, it will come installed on the meter. Pdf file f turbine catalog sheet pdf file f1500 insertion turbine flow meter catalog sheet. The hlwgy series turbine flow meters have a simple structure, high accuracy, good repetitiveness, fast response time and easy maintenance. The flowing fluid engages the rotor causing it to rotate at an angular velocity proportional to the fluid flow rate.
In addition, the turbine meter design is both reliable and flexible in use. As our valued customer, our commitment to you is to provide fast reliable service and. The frequencies thus produced are processed by digital electronics. Having shorter pipe lengths, other system components and elbows to close to the flow meter may adversely affect the accuracy and repeatability of the flow meter.
The magnetic pickoff is located directly above the turbine, near the downstream end of the flow meter. That is, if the flow area decreases, the flow velocity must increase to maintain the same volumetric flow rate and viceversa. The frequency at which the blades turn represents a given flow because each blade sweeps out a fixed volume of fluid. The signal provided by a turbine meter also has a high frequency so it does not get distorted during transmission to data acquisition and monitoring systems. When the meter is assembled, all arrows must point in the direction that product will flow through the meter. Find manuals, installation sheets, and other technical documents here for you to download. The blancett 1100 turbine flow meter is designed to withstand the demands of the most rigorous flow measurement applications. Select with your maximum flow at 50% to 100% of the max flow listed above to have sufficient rangeability. Introduction we, at onicon incorporated, would like to thank you for purchasing our quality, u. Turbine flow meters we offer a variety of turbine flow meters suitable for low to medium viscosity lubricating fluids, nonlubricating fluids and dry gas. As fluid flows through the turbine meter, it impinges upon turbine blades that are free to rotate about an axis along the center line of the turbine housing. The working principles and design of turbine flow meters are well documented. The angular rotational velocity of the turbine rotor is. Hm series turbine flow meters operating instructions quality system certified to din en iso 9001 general the measuring medium passes through the turbine flow meter in axial direction rotating the wheel.
The rotational speed of the rotor is directly proportional to the velocity of the fluid travelling through the meter. Flow rate and total may be simultaneously displayed on a two line 16 line character alphanumeric display that indicates unit of measure. As liquid flows through the meter and over the rotor, the rotor turns at a speed that is directly proportional to the flow rate. Peak flow meters come in two ranges to measure the air pushed out of your lungs. Iqs directory is a top industrial directory listing of leading industrial turbine flow meter manufacturers and suppliers. User manual pn 39008515, rev af march 2019 daniel series 1500 liquid turbine meter nps 3 through 24. Liquid going through a gas meter will cause erroneous. Each meter is precisely calibrated before shipment. You must measure both to calculate density to measure mass flow and energy.
Reassembling the hexbody meter an arrow indicating direction of flow is cast or engraved on the meter body, rotor, and vanes. These meters are used in multiple industries to reliably measure the velocity of a variety of liquids, gases and vapors. As liquid flows through the meter and over the rotor, the. Flow signal can be divided into pulse signal and current signal 420ma. These meters are typically ordered with attached flow monitor display see fml250 data sheet. Data based on h 2o for liquidsair for gases model description chart lc 14 mbnla4htx gross pressure drop psid min. Flow meter may be supplied with two lmes, offering up to four pulse outputs.
The basic theory behind daniel liquid turbine meters is relatively simple. Meter size and flow range selection detailed below are the considerations that should be taken into account when sizing a flow meter. This meter has low price, integrated high quality, small volume. Vanes are designed to fit into four notches inside the meter body. Media in category flow meters the following 104 files are in this category, out of 104 total.
It offers an output frequency that has a linear relationship to gas velocity over a wide flow range tracking the flow rate continuously. No gas in a liquid meter will cause the meter to read high and can cause catastrophic failures. For dongyang turbine flow meters, you should provide a backpressure downstream pressure of at least 1. Badger meter europa gmbh is responsible for the international operations worldwide, except for the united states, mexico, canada and latin. The flow elements are either a swinging vane or a repositioning piston. Shown is a dual rotor meter with its casing removed and a single rotor meter with casing and a magnetic pickoff to record the rotors frequency. Attach the meter to the end connections provided using customer. Turbine flow meters use the mechanical energy of the liquid to rotate a rotor in the flow stream. The rpm of the wheel is in proportion to the mean flow velocity. Function explanation turbine flow sensortransmitter this type of flow meter has no function of live show, only transmit flow signal far away to output. July 2006 ft series turbine flowmeters installation, operation and maintenance manual the specifications contained in this.
Telephone 480 2403400 fax 480 2403401 ft series turbine. Most times the relationship between water current frequency and volume is not linear, and complex math must be used to derive the flow rate. With comparatively low pressure drop for inline meters, turbine flow meters deliver unprecedented accuracy. It features a rugged 316 stainless steel housing and rotor support assemblies, cd4mcu stainless steel rotor, and abrasiveresistant tungsten carbide rotor shaft and journal bearings. Practical aspects of turbine flow meters calibration and uvc principles by. Alternate pairs across the two lmes are also 90 electrically out of phase. Practical aspects of turbine flow meters calibration and uvc. Since the turbine meter infers volume as a function of. The angular velocity of the rotor results in the generation of an electrical signal ac sine wave type in the pickup. Linear flow for estimating pressure drop on liquids other than water at room temperature. A magnetic pickup senses the rotor blades as they pass and generates an electrical sine wave signal. Turbine flow meter is a volumetric measuring turbine type. Turbine flow meter manufacturers and suppliers iqs directory. Slippage through the clearances of a pd meter can be characterized by the equation in figure.
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