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Metal Tube Flowmeters
Our Metal Tube Flowmeters are industrial devices specifically designed for measuring the flow rates of various liquids and gases in pipes. These flowmeters offer high-precision readings, resulting in optimized performance for your semiconductor manufacturing processes.
These flowmeters are designed to be highly durable, with the ability to withstand challenging conditions while maintaining accuracy, making them invaluable in semiconductor manufacturing.

Metal Tube Flowmeters
Features |
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Unified 250mm face-to-face dimension for all connection sizes from 15mm to 100mm allowing easy piping design. |
Intrinsically safe construction |
Flameproof construction |
Full line-up to meet all the necessary functions required for variable-area flowmeters: local indication, electric transmitters, local flow integration, an integrator with scaled pulse output and alarm |
Compact design to suit modern industrial needs |
Wide pressure ranges between 1501bs and 3001bs ratings are availabbe as standard and higher pressure versions are also available as required |
A wide range of outer metallic materials and lining materials are available even for corrosive fluids. |
HARTS® communication protocol can be connected |
Explosion-proof construction Certification: TIIS, KOSHA, NEPSI, ATEX & IECEx |
IP67 rated for dust-tight and water immersion-proof constructions |

NLZ Series
The NLZ series represents a range of compact variable area flow meters, characterized by their metal tube design and a face-to-face dimension measuring 250 mm. This series includes the NLZ 1000 (available in general and intrinsically safe types) and the NLZ 2000 (designed to be flameproof). Each model comes with various options such as a local indication type that lacks a power supply, and a field bus type. The NLZ series is capable of measuring flow rates across all processes and devices.
The standard construction material for parts that come into contact with the fluid is 316L stainless steel. Additionally, a fluororesin lining is available as an option for dealing with highly corrosive fluids. The series can be enhanced with optional indicator and transmitter functionalities including alarm output, 4–20 mA DC output, HART® communication, and FOUNDATION® Field bus. Importantly, the NLZ series has earned explosion-proof certifications including JPN, ATEX, IECEx, NEPSI, and KOSHA.

AM 7000
The AM7000 series, a range of metal tube variable area flow meters, is a progression from the popular AM-1000 series, capitalizing on the extensive manufacturing expertise of TOKYO KEISO Co., Ltd. in the flow measurement arena. To meet various requirements, these flow meters not only feature an extremely reliable mechanical local indicator but also come equipped with alarm contact outputs.
The series is designed using standard metallic materials and offers a wide array of lined materials, capable of handling nearly all types of fluids, including those that are highly corrosive. The AM7000 is a versatile flow meter suitable for monitoring all types of liquids, gases, and steam across a diverse range of industries.

AC Series
The AC series comprises variable area flow meters that utilize an acrylic tapered tube. The flow rate of the liquid is denoted by the position of the float and the markings on the tube. To enhance ease of handling and achieve cost efficiencies, the body of the flow meter is fashioned from PVC.
Different process connection requirements are accommodated through the availability of Rc thread, TS socket, and flange connections. To expedite delivery and further save on costs, the scales come standard with water calibration.

NE Series
The NE series represents a collection of glass tube flowmeters, each calibrated with standard scales for water measurement. By offering several standardized scales for each size, the series provides cost-effectiveness and prompt delivery.
Properties of Metal Tube Flowmeters
NLZ Series | AM 7000 | AC Series | NE Series | |
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Measuring Medium | Liquid, gas, steam | Liquid, gas, steam | Water | Water or equivalent liquids to water |
Nominal diameter | 15 to 100 mm | Meter size 15A to 150A | 15A to 50A | 15A to 100A |
Flow range | 0.04 to m’/h: Liquids equivalent to water, density 1.0 g/cm3. viscosity 1.0 mPa•s1.2 to 600 m3/h (nor): Gases equivalent to air at 0°C and 0 MPa[1atm]. | 0.1 to 150 m3/h 2.92 to 4800 m3/h(nor) | Max 2.0 to 20m3/h Min. 0.1 to IL/min | Double scale Max. 10 to / 100m3/h 160 to 1600L/min Min. 30 to 300L/h / 0.5 to 5L/min |
Fluid temperature | -20 to +300°C (Local Indication type) -20 to 200°c (Transmitter type) | -20 to 400°C | 0 to 50°C | Max. 80°C |
Fluid pressure | 4.1 MPa at ambient temperature 3.3 MPa at 120°C | 3.4 MPa Max. | 0.5 MPa (20A, 25A) max. 0.7 MPa (40A, 50A) max. | 1.0 MPa Max. |
Process connection | Flange connection: JIS 10K, 20KRF ASME Class 150, 300RF Flowmeters for high pressure can be made. Contact us for details. | JIS, ANSI, JPI | Rc thread. TS socket or JIS5K, JIS10K, ANSI#150 flange | JIS10K RF Flange |
Accuracy | ±1.5% F.S. | ±1.5% F.S. | ±3% F.S. (15A to 25A) ±2% F.S. (40A, 50A) | ±1.5% F.S. |
How Inquivix Technologies Will Help You

Free Consultation to Find the Right Product
We offer you a complimentary consultation service to select the right product for your specific needs. We will carefully assess your requirements, understand your application, and advise you on the most suitable product model. With our support you can make an informed decision, resulting in high-quality products and value for your investment.

High-Quality Products for Your Specifications
Quality is at the heart of our operation, and every product we distribute and export reflects this commitment. The success of your projects heavily relies on the equipment you use. We source products that meet industry standards, with each item selected for its superior quality, durability, and performance. We guarantee that they will deliver the efficiency and functionality you require.

Packaged and Delivered to Anywhere in the World
We have a network of reliable and professional logistics partners to ensure the secure and timely delivery of your products. Each product is carefully packaged to suit international shipping, ensuring they arrive at your facility in pristine condition. We endeavor to provide swift delivery times, no matter the volume of your order, making us a partner you can trust for all your semiconductor equipment needs.

Aftersales
Support
We provide aftersales support to ensure your total satisfaction. We are always ready to assist you with any inquiries or concerns. We strive to forge long-lasting relationships with our clients and provide the best ongoing support in the industry.
Why Choose Inquivix Technologies
FAQs
Our Metal Tube Flowmeters are particularly effective in the semiconductor industry due to their high-precision measurements and robust construction. They’re designed to handle a wide range of liquids and gases, making them versatile for various processes in semiconductor manufacturing. Moreover, their user-friendly design ensures easy installation and maintenance, reducing downtime and promoting efficiency in your operations.
Our Metal Tube Flowmeters are designed with an emphasis on durability and accuracy. They are made with high-grade metals, ensuring they can withstand tough industrial conditions while maintaining optimal performance. The precision calibration also ensures they deliver accurate flow measurements, an essential component for the efficiency of semiconductor manufacturing processes. Furthermore, their compatibility with a wide range of liquids and gases adds to their versatility, making them a valuable tool in diverse industrial settings.