10 Best Rotameter Manufacturing Companies in India
Rotameter are devices that aid in accurate liquid and gas flow measurement. These devices are also popularly known as Variable Area Flowmeters, and are not dependent on external power for generating flow rate readings. What gives the device its name? The device has a bobbin or float inside it that rotates or spins when fluid or the flow passes it.
The first working rotameter was invented by Karl Kueppers in Aachen back in the year 1908. Since then, many structural and technical developments have taken place to improve the device. Many modifications were done on the float shapes and the glass tube of the device until the best designed ones became largely accepted in the world market. Today, there are many Rotameter Manufacturers, Rotameter Dealers and Rotameter Suppliers in India that make Rotameters or Variable Area Flowmeters in many designs, from simple to sophisticated, also selling them at affordable Rotameter Price. We have listed the top 10 Rotameter Manufacturing Companies in India below:
Best Rotameter Manufacturing Companies in India
Kabir Instruments and Technology
Formed in 2012, this Vadodara, Gujarat based company boasts an impressive list of clients, including ITC Limited, Larsen & Toubro, ONGC, Reliance, CEAT, Siemens Gamesa, Sun Pharmaceuticals Industries Ltd., Alembic, etc. As a manufacturer and exporter, it sells a wide range of high-quality digital rotameter and allied products that are regularly manufactured at its own facility to meet specific requirements of clients.
CVG Technocrafts India
Based out of Mumbai, Maharashtra, C V G Technocrafts India has been specializing in offering different models of Acrylic Flow Meter Rotameters, Water Rotameters, etc., since 2000.
Fidicon Devices India
Many options in innovative Rotameters are provided by this Ankleshwar, Gujarat based company that has been providing the right products, guidance and support to many Indian and international clients since 2002.
Spectec Techno Projects Pvt. Ltd.
High quality and short lead times are guaranteed by Spectec Techno Projects Pvt. Ltd.- a Delhi based organization offering quality-marked Purge Tube Rotameters (SPTV), Glass Tube Rotameters (SGTV), Acrylic Rotameters, Acrylic Body Rotameters (SPNV), etc.
D. B. Instruments & Controls
D. B. Instruments & Controls has been making a range of Glass Tube Rotameter, Acrylic Body Rotameter, etc., for suitable use in offshore, chemical and petrochemical applications since 1993. The company operates a successful business in Mumbai, Maharashtra, as an exporter, manufacturer & supplier of high-tech variable area flowmeters and other products.
Nk Instruments Pvt. Ltd.
Another name that scores well among Rotameter Manufacturers, Rotameter Dealers and Rotameter Suppliers in India is Nk Instruments Pvt. Ltd. The Thane, Maharashtra based exporter, manufacturer, importer, trader, service provider, supplier and distributor harnesses its in-house production and calibration facilities to offer some of the best designs in Rotameters.
Micro Technologies
Flexible manufacturing systems are adopted by Micro Technologies at its purpose-built factory in Ambala Cantt, Haryana, to manufacture some of the most accurate models of flow measurement equipment and devices. Depending on the individual application of the client, the devices can also be custom designed.
Mn Life Care Products Pvt. Ltd.
Mn Life Care Products Pvt. Ltd. is a Kolkata, West Bengal based company that has a dynamic crew of experts working round the clock at its production factory. Its team manufactures Rotameters complying to CE, ISO 9001, ISO 14001, ISO 13485, FDA, and other benchmark standards for customers in India, USA and UK.
Pride Controls & Systems Private Limited
Pride Controls & Systems Private Limited is an independent Chennai based manufacturer of Glasstube Rotameter, Metal Tube Rotameter, etc. The company has over the years used its knowledge, and helped many clients from across India pick the right products for their exact flow measurement applications.
Hind Medico Product
Assuring quick turnaround times and quality products is Hind Medico Product. From its headquarters in Howrah, West Bengal, India, the company has been catering to many small to complex product needs of customers since 2000. Its name ranks high among the best Rotameter Manufacturers, Rotameter Dealers and Rotameter Suppliers in India. The company already has an extensive line of products on offer, and wishes to expand it more with time.
FAQs: Rotameter
Q. What is a rotameter and how does it work?
Ans. Rotameters, also known as Variable Area Flowmeters, Gravity Flow Meters or Mechanical Flow Meters, are special flow measurement equipment or devices that can detect the flow rate of a fluid, both gases and liquids, in a closed pipe or system.
Much like the look of the device, the working principle of a rotameter is also quite simple with a standard rotameter featuring a tapered tube, i.e., a tube whose diameter is larger at the bottom than at the top and has flow rate markings on its body. This tube has a rotor, bobbin or float inside it. Depending on the flow rate exerted, the rotor, bobbin or float inside the tube might choose to move up or down. Once fluid flows through the larger bottom section of the rotameter, an upward force is generated on the float. In simple terms, for the fluid to make its way through the tube, it must first lift the rotor, bobbin or float fixed inside the device against gravity. Some of the fluid hits the bottom of the bobbin directly and the rest flows away from it. This means the rotor, bobbin or float placed inside the rotameter is subjected to two forces in the reverse direction, i.e., the gravitational force below and the drag force on the upside. How high the rotor rises is directly dependent on the flow rate, i.e., higher the flow rate, higher the rotor is lifted and vice versa. A state of equilibrium is attained once the force exerted becomes equal to the weight of the float or bobbin.
Flow rate measurements can be taken as per the accurate position of the rotor, float or bobbin inside the tube. The markings on the body of the tube are indicators of the flow rate at different float positions. This is how the exact flow rate measurements can be determined and read directly from the tube.
Q. What are the typical applications of rotameters?
Ans. Industries where there is a need for flow rate measurement of liquids or gases use rotameters or variable area flowmeters every day. In the chemical industry, rotameters are extensively utilized for measuring and controlling the flow of different chemicals during chemical processing and similar works related to the dosing, mixing, and blending of various products and chemicals. Likewise, filling, filtration, and chromatography processes that are integral to the pharma industry cannot take place without the use of rotameters or variable area flowmeters. Gases, hydrocarbons, and various chemical solvents are monitored in the oil and gas industry using these measuring devices. Even the food and beverage industry are heavy users of rotameters. The devices are mainly used during food production and packaging processes, especially for measuring and regulating the flow rates of herbal drinks, fruit juices and hot beverages. Besides, in many challenging applications of the water treatment industry, these measuring equipment find large scale use, especially related to measuring the flow of water and chemicals that are core to processes like disinfection, coagulation, pH adjustment, etc. Other users of purge rotameters are HVAC equipment manufacturing industry, laboratories, and businesses engaged in environmental monitoring systems.
Q. How do I properly install and maintain a rotameter?
Ans. Detailed instructions related to rotameter installation and maintenance are always provided along with the product by most manufacturers and sellers so that users get accurate flow rate measurements every time. For installation, begin by selecting an appropriate location where the device can be easily accessed for use. The user should always mount the equipment in a vertical position, ensuring it is never installed near valves or elbows, which might disrupt the accuracy of the flow measurements recorded. Calibration procedures can be done as per the instruction manual of the manufacturer to avoid reading discrepancies.
The device is easy to clean and maintain. Any mild detergent or solvent as recommended by the product seller can be used for cleaning the product, which should be completely dry before its reinstallation. The user should also see for any signs of damage in the product. Damages are visible in the form of cracks in the product, fluid leakage and broken parts. These issues should be immediately addressed for maintaining accurate measurements. Sometimes, leaks might happen from a damaged seal or gasket, which should be replaced as soon as possible. The bobbin or float should also move freely, and should be cleaned and repaired if needed.
Q. Are there any calibration or recalibration requirements for rotameters?
Ans. Calibration and recalibration are key to getting accurate readings when using rotameters. Calibration should be done from time to time where the readings of the device are verified and adjusted as per known standard values. Repeating this calibration process many times over a period of time is what is called as recalibration.
Q. Are rotameters suitable for both liquid and gas flow measurements?
Ans. Yes, these versatile devices are suitable for both liquid and gas flow measurements. Flow rate of both low to moderate viscosity fluids can be easily measured using standard rotameters.
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