Glass tube rotameter glass tube rotameters come in many shapes, sizes and have many options. 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. The differential pressure across the annulus area is constant and. The dk32 flowmeter features horizontal connections and a standard bottom or top needle valve. Clearly understanding and fulfilling our customers needs and expectations of timely delivery, product performance and value.
Rotameter working principle animation instrumentationtools. Installation, operation, and maintenance instructions for. Sight glass tube method construction and working principle electronic instrumentation duration. Other types include glass tube rotameters with stainless steel case, armored rotameters, pvc rotameters and. Krohne glass tube meters dk464748800 and metal tube meters dk323437 with integrated. A wide variety of rotameter options are available to you, there are 805 suppliers who sells rotameter on, mainly located in asia. Units come with complete operators manual and correlation sheets for water and air. Parker offers a wide range of variable area meters rotamaters in glass tube, metal tube armored, purge and acrylic models. Available in complete acrylic body or stainless steel body with glass metering tube.
Rotameters variable area flow meters yokogawa america. Glass tube rotameter manufacturers, suppliers, dealers in. Glass tube flowmeter 7450 series king instrument company. Purge glass tube rotameter, glass tube rotameter, rotameter. The borosilicate glass metering tube has a brightly colored easy to read scale. The company mission to produce the finest group of rotameters ever sold we are committed to. The short tube rotameter is used for measurement of flow rates of liquids and gases. Plastic tubes are also used in some rotameter designs due to their lower cost and high impact strength. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The gap between the tube and float is larger at the top to allow a greater flow to pass through the meter. Glass tube rotameter, glass tube flow meter, glass tube.
The allnew pseries models enhances our existing rotameter product line by accommodating greater flow rates, temperatures and environmental conditions. Flowmeters when it comes to flow ryan herco flow solutions. The tube contains a free moving float that rests on the stopper at the base of the tube. Instruments are one of the leading manufacturers, suppliers and exporters of glass tube rotameter, glass tube flow meter, glass tube rotameter with highlow switches. Low flow glass tube rotameter flow meters buy purge. Rotameter variable area flowmeter yokogawa philippines. Variable area flowmeter rotameter the original insatech. Glass tube flowmeter 7460 series king instrument company. Glass tube rotameters 7910 series features metering tubes are precision formed and annealed borosilicate glass tubes are fluted ribbed or plain taper plain taper tubes use rod pole guided floats classic design, premium quality, heavy duty 304 stainless steel case and covers. Chapter 20 mechanical flow meters flashcards quizlet.
Tansa glass tube rotameter variable area flowmeter model no. The glass tube rotameter that we offer has a pressure rating at 10kgcm temp at 150 o c. Glass tube rotameter 15 model fegtr201 that we engage in providing our customers with is designed on variable area basis. The flow metering tube is transparent giving you full insight into the process and position of the float a scale on the outside of the tube indicates the true flow rate. The ragn comes standard with inline 316 stainless steel fittings. Glass tube rotameter manufacturers and supplier in delhi, here you can find metal tube rotameter manufacturers and supplier in india delhi. Acrylic body rotameter it is mainly used for water salt water, air, nitrogen, hydrogen, natural gas. 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.
The float rises within the tube as the flow increases. The ragn rotameter is designed for continuous flow measurement of liquids and gases. Glass tube rotameter is a variable area flow meter. The acrylic body integral machined cut in acrylic body from imported transparent acrylic blocks sheets. Glass tube rotameters glass tube rotameter manufacturer. The position of this float is magnetically transmitted to the indicator. Rotameters are also called purge meters and variable area flow meters. The flow tube is transparent giving you full insight into process and position of the float a scale. The float moves freely up and down in the tapered borosilicate glass tube with fluid flow from bottom to top.
The metal float is usually made of stainless steel to provide corrosion resistance. Metal tubes are used where opaque liquids are used or temperature or pressure requirement is quite high. Glass tube rotameter manufacturers and supplier in delhi. With the help of refractive index matching to eliminate optical distortion by the flow tube, the laser doppler anemometer permitted nonintrusive velocity. Flowmeters with float series 6001 6002 steam equipments. Rotameter tubes are manufactured from glass, metal, or plastic. A rotameter measures the flow of liquids, gases and steam by using a float inside a conical tube. We manufacture this equipment using premium quality tapered borosilicate glass tube. As gravity works in a vertical orientation so the tube needs to be vertically oriented. Pdf investigation of flow in a rotameter researchgate. The rotameter variable area flowmeter is one of the.
Maxiflotm ka series glass tube rotameters are rugged, versatile and accurate variable area va flow. Yokogawa ramc short stroke rotameter rotameters instrumart. Flowtech glass tube variable area flow meters rotameters are intended for general in line and bypass metering applications i. Flow measuring instruments, glass tube rotameter, low flow. All the measurement tubes in this series of variable area flowmeters are made of either glass or plastic. The differential pressure across the annulus area is constant and the flow rate is measured as a function of the annulus area. Glass tube rotameters the basic rotameter is the glass tube indicatingtype. Safetyshielded glass tube are in general use for measuring both liquids and gases. Gt785 rtb without flow control valve and having connections at rear or top and bottom telelin make low flow glass tube flowmeter rotameter without flow control valve at entry point and conncetions at rear or bottom and top as per below sepc. We are the leading manufacturer, exporter and supplier of purge glass tube rotameters. Welcome to the 2nd edition of yokogawas glass rotameter catalogue. Glass tube rotameter gtr19 consist of a tapered glass tube mounted vertically in a frame with the small diameter at the bottom and large end up.
The differential pressure across the annulus area is constant. The tube is precision formed of borosilicate glass, and the float is precisely machined from metal, glass or plastic. The variable area flowmeter is one of the oldest and mature principles in flow measurement with its simple design. Constructed from highstrength steel, the mt3750 series va low flow meter features a compact design and multiple threaded and flange connection options to make it easier to install and integrate into existing plants, as well as a cost. Its compact design permits installation in tight locations, and it is designed to work safely under difficult conditions. Glass tube rotameter eureka variable area flow meters rotameters work on the principle of variable area. Brooks mt3750 armite armored rotameter is a reliable lowflow metal flowmeter with 5% accuracy 3% optional constructed of 316l wetted parts. The original rotameter yokogawa corporation of america.
Suitable for in line installation with flanged or screwed connections with several options. A rotameter consists of a tapered tube, typically made of glass, with a float made of ss or ptfe. The mt3750 metal tube variable area low flow meter from brooks instrument is your hardworking answer. Tansa glass tube rotameter is basically a variable area flow meter. Glass tube rotameter is basically variable area flowmeter the differential pressure across the annulus area in constant and the flow rate is measured as a function of the annulus area. The yokogawa ramc short stroke rotameter has a float that is guided concentrically to a special shaped conic metal tube. The variety in cones, floats and scales combine to make the. Purge glass tube rotameters are ideal for laboratory or instrumentation applications. This step is not necessary if the scale is etched on the metering tube. We will help you find a suitable replacement or one for a new application. The float moves through the tapered tube up and down with respect to fluid flow.
It is recommended that all glass tube rotameter installations incorporate the use of a bypass arrangement for either liquid or gas service as illustrate in fig. Measurement principle variable area obtained by the displacement of a float in a conical, borosilicate glass tube. Mt3750 series metal tube variable area flow meters brooks. The float takes up a position where buoyancy forces and the float weight are balanced in proportion to flow rate. Applications commonly used in industry to measure the flow for. A rotameter is a device that measures the volumetric flow rate of fluid in a closed tube it belongs to a class of meters called variable area meters, which measure flow rate by allowing the crosssectional area the fluid travels through to vary, causing a measurable effect. The drag force for a given fluid and float cross section is a function of flow speed squared only.
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