The most common size is a glass tube rotameter with in 6 mm connections, a range of 0. Indicating flowrator meters the abb series va master flowrator meter is a glass tube variablearea flowmeter providing visual indication of flow rate over a 1212 to 1 range on a linear scale. An introduction to flow measurement with rotameters. Glass tube rotameter gas rotameter manufacturer from. The fluid passes through the metering tube from bottom to top and consequently needs to be installed vertically with flow direction upwards. Vdivde 35 k tube 75 mm 4 for sphere 6 m tube 150 mm 2.
Kdv high accuracy glass tube rotameter subject to change without prior notice. With a broader range of flow rates available, glass tube rotameters are suitable for a variety of liquids and gases. Maxiflotm glass tube rotameter kr 1 overview maxiflotm ka series glass tube rotameters are rugged, versatile and accurate variable area va flow meter offering 2. Rotameter working principle animation instrumentationtools. A rotameter consists of a tapered tube, typically made of glass, with a float made of ss or ptfe. Resistance to thermal shock, pressure and oxidation is the result of employing borosilicate. We stock a comprehensive range standard scales for air, water and.
Glass tube rotameter variable area flow meters brooks. The base configuration uses a borosilicate glass tube installed in an aluminum frame with 316ss end blocks, adaptors, and valve. Glass flowmeters, borosilicate glass, kinglass, tempered glass. As gravity works in a vertical orientation so the tube needs to be vertically oriented. Our range of by pass glass tube rotameter is widely acknowledged for their accuracy, reliability and long service life. Glass tube rotameter page 8 scale 100 lph jasanz an iso 9001. A rotameter consists of a tapered tube, typically made of glass with a float, made either of anodized aluminum or a ceramic, actually a shaped weight, inside that is pushed up by the drag force of the flow and pulled down by gravity.
Glass tube variable area flow meters rotameter type exstock. It is an instrument used to measure flow rate of liquids and gases and are commonly used for flow measurement. Its based on simple and easytounderstand flow measuring principle but is versatile in the types of fluid it. Resistance to thermal shock, pressure and oxidation is the result of employing borosilicate glass tube bodies that can withstand pressures up to. Abb series 10a4600 is a glass tube rotameter variable area flow meter similar to the 10a4500 model but with pvc end fittings, with the option of stainless steel, tantalum and ptfe or pvc coated floats. The most common size is a glass tube rotameter with in 6 mm connections, a. The flow measurement is taken by reading the flowrate off the glass tube.
Vdivde 35 ktube 75 mm 4 for sphere 6 mtube 150 mm 2. Flang glasstube purge meters low flow meters armored purge meters directview flowmeters armored flowmeters glass tube vareameters straightthrough vareameters bypass. Tansa glass tube rotameter is basically a variable area flow meter. Variable area flowmeter glass tube variable area flow. Features industrial and sanitary designs body sizes 12 through 2 reliable, time proven glass tube design flanged. Glass tube rotameter gas rotameter manufacturer from vadodara. Eps to avoid of electrostatic charging at gas measurement which move the float to the tube wall the ltubes are antistatic. These meters are particularly suited for purge applications. Rotameter variable area flowmeter yokogawa electric. Installation, operation, and maintenance instructions for.
Clear glass is used which is highly resistant to thermal shock and chemical action. The differential pressure across the annulus area is constant and. By pass glass tube rotameter, glass tube rotameter, by pass. Floats typically have sharp, or metering, edges which will point to a specific reading on the scale. The conical glass metering tube includes a free rotating float which provides self stabilization. The differential pressure across the annulus area is constant. Glass tube rotameter, glass tube flow meter, glass tube. Thie short rotameter ragk is designed for measurement of liquids and gases. Abb series 10a4600 glass tube rotameter with pvc end fittings. Since the area of the flow passage increases as the float moves up the tube, the scale is approximately linear. Safetyshielded glass tube are in general use for measuring both liquids and gases. The tube is made of borosilicate glass, and the float can be manufactured by metal usually stainless steel to prevent corrosion, glass or plastic. The float moves freely up and down in the tapered borosilicate glass tube with fluid flow from bottom to top. The fluid passes through the metering tube from bottom to top and consequently needs to be.
Principle the differential pressure across the annulus area is constant and the flow rate is measured as a function of the annulus area. Seals in the meter can be either oring or packing gland type to suit the application. Kobold model kdv variable area flowmeter user instructions. This will prevent pressure shocks, which could possibly damage the float, float stops or the glass metering tube. Glass tube variable area flowmeter supplier variable area. Low flow rotameter offering you a complete choice of products which include low flow rotameter, tiny glass tube rotameter, purge glass tube rotameter, low flow rotameters, principle rotameter and. This step is not necessary if the scale is etched on the metering tube.
The drag force for a given fluid and float cross section is a function of flow speed squared only. Overview rotameter type ramc metal short stroke rotameter rakd mini rotameter ragg housing rotameter measurable flow rates water 20c min. Glass tube rotameter it operates on the principle of variable area the fluid in the glass tube raises the float in the taper tube increasing the area of passage of fluid. The float moves up in proportion to the rate of flow of fluid and get stabilized when the weight of the float is balanced by the upward hydraulic force. Since the area of the flow passage increases as the float moves up. In the case of glass tubes, the flow rate at the upper edge of the float is read on the tube scale or an attached scale f1. The height at which the float rises to equilibrium in the tube is dependent on rate of flow. Features industrial and sanitary designs body sizes 12 through 2 reliable, time proven glass tube design flanged, threaded or triclamp fittings 1. A rotameter consists of a tapered tube, typically made of glass with a float, made either of anodized aluminum or a ceramic, actually a shaped weight, inside that is pushed up by the drag force of the flow. The gap between the tube and float is larger at the top to allow a greater flow to pass through the meter. The float takes up a position where buoyancy forces and the float weight are balanced in proportion to flow rate.
Metaltube type vertical measures flow through any large 4% 1 in. Manufacturers of glass tube rotameter in india scientific. It is recommended that all glass tube rotameter installations incorporate the use. The variable area flowmeter is one of the oldest and mature principles in flow measurement with its simple design. Both 65 mm and 150 mm scales, borosilicate glass tube models feature all stainless steel frame and horizontal connections at a less expensive price than competitive products. Flowtech glass tube variable area flow meters rotameters flow measuring instrument are intended for general in line and bypass metering applications i. Glass tube rotameter tansa glass tube rotameter is a variable area flow meter. Maxiflotm glass tube rotameter 4 kr model overview model code description remarks pipe sizes ka baseline glass tube variable area flow meter rotameter 15mm 12 100mm 4 kb glass tube rotameter without float guide rod 10mm 38 50mm 2 kc glass tube rotameter with orifice plate at the inlet 65mm 212 200mm 8. Low flow rotameter tiny glass tube rotameter manufacturer.
Abb series 10a4600 is a glass tube rotameter variable area flow meter similar to the 10a4500 model but with pvc end fittings, with the. Glass tube rotameter, rotameters, manufacturer, supplier. The conical glass metering tube has a free rotating float. The wide variety of float weights and meter tubes allows the glass tube flowmeter fgm1190 to be matched exactly to the required flow range.
The basic rotameter is the glass tube indicatingtype. The greater the flow, the higher the float is raised. Glass tube variable area flowmeter purgemaster fgm6100 purgemaster fgm6100 flowmeters are low capacity variable area flowmeters for both liquid and gas with an excellent selection of material and scale lengths in a single product family design. Metal tubes are used where opaque liquids are used or temperature or pressure requirement is. Glass tube va flowmeter rotameter type a range of traditional panel mounting flow meters with inline or rear facing connections. This glass tube meter is ideal for a variety of gas and liquid applications. Glass tube rotameter spink controls offer an industrail flowmeter used to measure flowrate of liquids and gases. Acrylic crystal body rotameter crystal body rotameter. Glass rotameter the rotameter ragn is designed for continuous flow measurement of liquids and gases. Rotameters variable area flow meters yokogawa america.
Dfv10a4500 3us va master indicating flowrator meters. Tansa glass tube rotameter variable area flowmeter model no. Glass tube variable area flowmeter purgemaster fgm6100 purgemaster fgm6100 flowmeters are low capacity variable area flowmeters for both liquid and gas with an excellent selection of material and. Gtr 500 operating principle standard features we also manufacture glass tube, purge type,acrylic body, by pass. The float moves through the tapered tube up and down with respect to fluid flow. The float moves freely up and down in the tapered borosilicate glass tube with fluid flow from. The flow measurement is taken by reading the flowrate off the glass tube when the float reaches equilibrium in the tube. The tube is made of borosilicate glass, and the float can be manufactured by metal usually stainless steel to. Abb glass tube rotameters with pvc ends buck sales. Since this measuring method is purely mechanic, it as simple as it is reliable. With either type of seal, the glass meter tube can be. Matering tube body of rotameter body of dp regulator connections inter connecting tube for rotameter and dp regulator needle valve packing borosilicate glass 304ss 1 brass plated 1 carbon. Options for rotameter float materials and designs extend flow ranges for different fluids within a given rotameter tube design. A rotameter measures the flow of liquids, gases and steam by using a float inside a conical tube.
Glass tube rotameter eureka variable area flow meters rotameters work on the principle of variable area. A rotameter is also a relatively simple device that can be mass manufactured out of cheap materials, allowing for its widespread use. They are accurate, reliable and simple to install and maintain. Ps make high accuracy by pass glass tube rotameter.
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