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Variable area flow meter Product List and Ranking from 20 Manufacturers, Suppliers and Companies | IPROS GMS

Last Updated： Aggregation Period:Jan 14, 2026～Feb 10, 2026
This ranking is based on the number of page views on our site.

Variable area flow meter Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Jan 14, 2026～Feb 10, 2026
This ranking is based on the number of page views on our site.

  1. 日本フローコントロール Tokyo//Testing, Analysis and Measurement
  2. null/null
  3. 流体工業 Tokyo//Testing, Analysis and Measurement
  4. 4 ベンカン機工 Gunma//Ferrous/Non-ferrous metals
  5. 5 大阪フローメーター工業 本社 Osaka//Industrial Machinery
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Variable area flow meter Product ranking

Last Updated： Aggregation Period:Jan 14, 2026～Feb 10, 2026
This ranking is based on the number of page views on our site.

  1. Turbine Flow Meter High-Precision Turbine Meter 'HO Series' 日本フローコントロール
  2. Management turbine meter "TBX"
  3. Are you looking for tapered pipes or short pipes? ベンカン機工
  4. 4 Area-type flow meter "NK Series" 日本フローコントロール
  5. 5 Area-type flow meter "Purge Meter LH/EK/A·C·D" 日本フローコントロール

Variable area flow meter Product List

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Metal tapered tube area flow meter, 5000 series

Metal tapered tube area flow meter, 5000 series

Compact size and equipped with multiple functions. Area flow meter 5000 series.

The Metal Taper Tube Flow Meter 5000 series is compact in size and equipped with multiple functions. The micro switch contacts provide output. It comes with an integrated totalizer counter and also emits pulse signals to external counters. All products are made to order, with a standard delivery time of 1.5 months. For more details, please download the catalog or contact us.

  • Flow Meter
  • Variable area flow meter

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Flapper-type area flow meter "Flapter"

Flapper-type area flow meter "Flapter"

Usable with water, oil, air, etc.! A compact flow meter with selectable flow direction.

The "Flapter" from Showa Instrumentation is a compact flow meter used for water, oil, air, and other liquids and gases. You can choose from a lineup of general-purpose metal, corrosion-resistant PVC, and metal types for low flow rates to suit your needs. The flow direction can be selected freely, and it can be used both horizontally and vertically. Please specify your preference when placing your order. 【Features】 ■ Common electrical functions across all series ■ Easy internal cleaning ■ Readable indicators even with opaque fluids ■ No straight pipe length required, allowing installation in tight spaces ■ Low pressure loss, suitable for low-pressure air ■ Simple structure with a full metal body for durability *For more details, please refer to the PDF document or feel free to contact us.

  • Flow Meter
  • Variable area flow meter

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Area-type flow meter "NK Series"

Area-type flow meter "NK Series"

Steam/sanitary options available for custom production! We offer a wide range of materials and connections!

The "NK Series" is a flow meter suitable for visual measurement of water and gas. At Japan Flow Control, we can accommodate manufacturing according to usage conditions, measurement ranges, materials, etc. Custom production for steam/sanitary applications is also available. We offer a wide range of products, including the general-purpose screw connection type "NK-AS" for water and air, and the rear screw connection type "NK-KV" suitable for small flow rates of liquids and gases, among others. 【Product Lineup】 ■ NK-AS: General-purpose screw connection type for water and air ■ NK-KV: Rear screw connection type suitable for small flow rates of liquids and gases ■ NK-A: General-purpose flange type ■ NK-AU: General-purpose screw-in type ■ NK-AJ: Type with a sanitary application suitable for a #400 buff polished inner and outer surface with a hygienic connection *For more details, please refer to the PDF materials or feel free to contact us.

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  • Other measurement, recording and measuring instruments
  • Piping Materials
  • Variable area flow meter

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Turbine Flow Meter General Purpose Turbine Meter 'LC Series'

Turbine Flow Meter General Purpose Turbine Meter 'LC Series'

Suitable for water, cooling water, hot water, chemical solutions, and low-viscosity liquids! A compact and low-cost general-purpose turbine meter.

The "LC Series" is a general-purpose flow sensor designed to withstand harsh conditions. When fluid passes through, the internal rotor spins. The rotation speed is detected by a pick-off mounted on the outside of the main body. This rotation speed is proportional to the flow rate, and frequency pulses are output. The "F100" is a field-type display meter for "instantaneous flow/accumulated flow" exclusive to this series, and the "PET Series" is a dedicated transmitter. [Features] ■ Low cost ■ Compact ■ Capable of withstanding harsh conditions (MAX 120°C, MAX 24MPa) *For more details, please refer to the PDF materials or feel free to contact us.

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  • Piping Materials
  • Variable area flow meter

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Turbine Flow Meter High-Precision Turbine Meter 'HO Series'

Turbine Flow Meter High-Precision Turbine Meter 'HO Series'

Ideal for various test benches! Introducing a lightweight and compact standard turbine meter.

The "HO Series" is a standard turbine meter that excels in linearity and reproducibility as measures of accuracy. Due to its wide range of operating temperatures, pressures, and measurement ranges, it is widely used in industries such as aerospace, automotive, cryogenics, and hydraulics. Additionally, the low pressure loss and high-speed response characteristic of standard turbine meters make them suitable for various test benches. 【Features】 ■ High precision ■ High-speed response ■ Low pressure loss ■ High temperature compatibility ■ High pressure compatibility ■ Lightweight/Compact 【Applicable Fluids】 Water, LLC coolant, engine oil, ATF oil, liquid oxygen, liquid nitrogen, Freon, solvents, aircraft hydraulic fluid, thermal oil, air, carbon dioxide *For more details, please refer to the PDF document or feel free to contact us.

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  • Piping Materials
  • Variable area flow meter

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Alarm-equipped flow meter "EZ-View(R) Flow Alarm"

Alarm-equipped flow meter "EZ-View(R) Flow Alarm"

Can be installed on either horizontal or vertical piping! Flow meter with alarm compatible with water and oil.

The "EZ-View(R) Flow Alarm" is a flow monitor with contact output that features an internal spring. After installation in the piping, it is possible to change the contact position to any desired value while confirming the operation of the indicator from the outside. Since it uses an indicator held by an internal spring, it can be installed in both horizontal and vertical piping. Additionally, a special model that accommodates flow from top to bottom, which is the opposite direction of the standard, can also be produced. 【Features】 ■ Oil compatible (4.2–108 mm²/s) ■ Low cost, short delivery time ■ Compact ■ Free installation posture in horizontal and vertical ■ Adjustable setting point ■ Flow indication included *For more details, please refer to the PDF document or feel free to contact us.

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  • Flow Meter
  • Variable area flow meter

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Seal Water Monitor "SLM"

Seal Water Monitor "SLM"

Excellent shock resistance! We provide packaging that ensures the safety of your important systems and equipment.

The "SLM" is a product developed for the cooling and protection of mechanical seals in spiral pumps. It features a robust design that can withstand vibrations and freezing environments, and is suitable for water containing impurities. Deposits on the tapered pipe can be cleaned using the standard included push cleaner. Optional accessories include a pressure gauge and a proximity switch for alarm output. We offer a flow meter that can be used in harsh environments, providing a package that ensures the safety of the equipment. 【Features】 ■ Corrosion-resistant material structure with robust design ■ Excellent impact resistance ■ Suitable for freezing environments ■ Simple structure, easy maintenance ■ Wide operating temperature range (-20 to 100°C) *For more details, please refer to the PDF document or feel free to contact us.

  • Other security and surveillance systems
  • Variable area flow meter

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Area-type flow meter "Purge Meter LH/EK/A·C·D"

Area-type flow meter "Purge Meter LH/EK/A·C·D"

Introducing a robust area flow meter made of acrylic, suitable for measuring small flow rates of water and air!

We handle the area-type flow meter "Purgemeter LH/EK/A·C·D." The "LH" model features excellent airtightness and a standard pressure resistance of 2MPa. All models come standard with a dual scale for water and air. The "EK" model is designed for OEM specifications, allowing for customization of scale width, font, scale and font colors, and logo printing according to your requirements. Additionally, the "A·C·D" model has a simple design for installation in piping from the bottom to the top, and does not use any O-rings or gaskets in its construction. 【Features】 ■ Robust design with an acrylic body ■ Equipped with a flow adjustment valve ■ Low cost ■ OEM specifications available (custom scales, logos, etc.) *For more details, please refer to the PDF document or feel free to contact us.

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  • Flow Meter
  • Flow Control
  • Other measurement, recording and measuring instruments
  • Variable area flow meter

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Small high-precision area flow meter NFM series (with valve)

Small high-precision area flow meter NFM series (with valve)

Panel-mounted flow meter with a low protrusion width suitable for embedding into a panel.

● Low-cost, compact, high-precision area flow meter (flow meter) ● Low leakage and capable of handling gases at the ppm level ● Panel embedding type with minimal protrusion, suitable for embedding in panels ● Compact and simple structure with a width of about 120mm, and various fittings can be selected, making installation easy ● Compliant with RoHS directive ■ The NFM series is a flow meter of the panel embedding type with minimal protrusion, suitable for embedding in panels. For more details, please download the catalog or contact us.

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  • Flow Meter
  • Variable area flow meter

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Flow meter, flange type, RHS type

Flow meter, flange type, RHS type

The connection flange and the tapered pipe mounting body are shared, which limits the connection diameter, but it results in a lower price.

The flange is designed to be mounted vertically on the piping, allowing for direct vertical installation and instantaneous value reading on-site.

  • Other physicochemical equipment
  • Flow Meter
  • Variable area flow meter

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Flow meter, flange type, RPF TYPE

Flow meter, flange type, RPF TYPE

The flow direction can be installed in any orientation, front, back, left, or right, as specified.

The flange is designed to be mounted vertically on both the top and bottom, allowing for direct vertical installation on the piping, and the instantaneous value can be read directly on-site.

  • Other physicochemical equipment
  • Flow Meter
  • Variable area flow meter

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Flow meter, screw type, RS/RST type

Flow meter, screw type, RS/RST type

This is a type that incorporates a complete set of tapered tubes inside the main body and acrylic cover.

It is easy to remove and clean.

  • Other physicochemical equipment
  • Flow Meter
  • Variable area flow meter

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Flow meter, stand type, RL type

Flow meter, stand type, RL type

This type is widely used for experimental research.

The main body has a stand, allowing for free movement.

  • Other physicochemical equipment
  • Flow Meter
  • Variable area flow meter

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Flow meter panel type (purge meter) RPNV TYPE

Flow meter panel type (purge meter) RPNV TYPE

This is a flow meter developed with the concept of low cost and short delivery time, and it is suitable for adjusting small flow rates because it incorporates a needle valve.

Using a rib guide and a tri-flat tapered tube, excellent stability is achieved. Therefore, it is suitable for various devices. A protective cover is included as standard. - Short delivery time product -

  • Other physicochemical equipment
  • Flow Meter
  • Variable area flow meter

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Flow meter, screw type, RSN TYPE

Flow meter, screw type, RSN TYPE

This is a flow meter developed with the concepts of low cost, short delivery time, and compactness.

Using a rib guide and a tri-flat tapered tube, excellent stability is achieved. Therefore, it is suitable for use in various devices. -Short delivery time products-

  • Other physicochemical equipment
  • Flow Meter
  • Variable area flow meter

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Flow meter, screw type, RHTN-S

Flow meter, screw type, RHTN-S

This is a flow meter developed with the concept of low cost and short delivery time.

It is ideal for plant facilities and factory piping for general industrial use. - Short delivery time products -

  • Other physicochemical equipment
  • Flow Meter
  • Variable area flow meter

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All-metal flow meter, screw type, RO-EMC/RO-EMV TYPE

All-metal flow meter, screw type, RO-EMC/RO-EMV TYPE

General industrial all-metal flow meter. It is completely shielded with metal on the inside and outside, making it ideal for measuring high-temperature, high-pressure fluids and opaque fluids.

In terms of structure, it is a magnetic follow-type, which tracks the movement of the float inside the metal tapered tube and accurately indicates it externally.

  • Other physicochemical equipment
  • Flow Meter
  • Variable area flow meter

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Are you looking for tapered pipes or short pipes?

Are you looking for tapered pipes or short pipes?

We manufacture tapered pipes and short pipes in small lots. Please also consider us for steel structures and welded structures, in addition to piping applications.

A tapered pipe is a piping product manufactured from steel plates, featuring a gradient and longitudinal weld seam, and refers to any product other than a reducer in the standards for welded pipe fittings. While reducers have specifications for product height (length) and step-down (the difference in diameters of the connecting pipes), there may be instances during piping installation where products with different heights or step-downs from the standards are required. In such cases, tapered pipes can be utilized. Short pipes can also be supplied with the necessary length and end processing for short steel pipe components required in piping design. These products contribute to reducing construction time and improving on-site construction efficiency for our customers. Please consult us regarding diameter, plate thickness (product thickness), length, etc. Additionally, materials can be manufactured from carbon steel, high-strength steel, alloy steel, stainless steel, and non-ferrous metals such as aluminum. Both tapered pipes and short pipes can be ordered from a single small lot. Tapered pipes can accommodate both concentric and eccentric designs. In addition to piping applications, how about considering them for steel structures or welded structures? We can provide various proposals based on your requests and conditions, so please feel free to contact us for more details.

  • Pipe Fittings
  • Piping Materials
  • Industrial Furnace
  • Variable area flow meter

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[Data] Area Flow Meter

[Data] Area Flow Meter

We are introducing the specifications of flow meters for "water and air" and "water and low viscosity oil"!

This document introduces the "Acrylic/PC/PSU Area Flow Meters" that our company handles. It includes specifications for products such as the "FBC Series" and "FAC Series" for water and air, as well as the "SF100 Series," "SF200 Series," and "SF350 Series" for water and low-viscosity oil. [Contents] ■ Acrylic/PC/PSU Area Flow Meters for Water and Air ■ Acrylic/PC/PSU Area Flow Meters for Water and Low-Viscosity Oil *For more details, please refer to the PDF document or feel free to contact us.

  • Company：YTK
  • Price：Other
  • Flow Meter
  • Variable area flow meter

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850 Series Area Flow Meter

850 Series Area Flow Meter

Plastic flow meter

Floats and tubes can be selected from various materials according to the corrosiveness, pressure, and temperature of the fluid. Additionally, we can custom-make graduated tubes tailored to the type of fluid and your desired scale.

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  • Flow Meter
  • Variable area flow meter

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850 HP type high-purity area flow meter

850 HP type high-purity area flow meter

PVDF flow meter for high purity fluids

All materials for the tube, float, and union are made of PVDF, which has excellent corrosion resistance, making it ideal for high-purity fluids. Custom-made graduated tubes can be produced to match the type of fluid and your desired scale.

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  • Flow Meter
  • Variable area flow meter

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Ultrasonic Gas Meter "S2 Sonic"

Ultrasonic Gas Meter "S2 Sonic"

Ultrasonic gas meter adopting a unique rectangular pipeline and a pressure influence-eliminating equal pressure space.

The "S2 Sonic" is an ultrasonic gas meter that supports high precision and a wide flow range. When a pair of sensors alternately transmit and receive, it adopts a propagation time difference method where the time difference of the ultrasonic waves changes according to the flow velocity. Additionally, it utilizes a rectangular pipe shape that is effective for measuring the average flow velocity within the pipe, achieving high-precision measurements. 【Features】 ■ High precision and wide flow range ■ No moving parts, no failures ■ Immediate response to flow velocity changes ■ Long-lasting metal ultrasonic sensors ■ Pressure-resistant explosion-proof structure *For more details, please download the PDF or contact us.

  • Weighing Machine
  • Variable area flow meter

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Magnetic Follow-up Area Flow Meter "EM Series"

Magnetic Follow-up Area Flow Meter "EM Series"

It is a flow meter with a simple structure, maintenance-free, and equipped with multiple functions!

A flow meter is a device that contains a float that can move freely within a measuring tube (usually a tapered tube) with an upward slope, assembled with appropriate supports. In addition to its compact and slim design, it features a safety design that excels in earthquake and fire resistance. 【Features】 ■ Compact and slim design with multifunctional capabilities ■ All-metal construction with excellent earthquake and fire resistance ■ Maintenance-free due to its simple structure ■ Flow indication does not require power supply and is easy to install *For more details, please refer to the PDF document or feel free to contact us.

  • Flow Meter
  • Other inspection equipment and devices
  • Variable area flow meter

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Metal tapered pipe area flow meter "MP Series"

Metal tapered pipe area flow meter "MP Series"

Ideal for flow measurement in various industries! All-metal micro flow meter with a safe design that replaces glass tubes.

The "MP Series" is designed to leverage the robust and safe features of all-metal area flow meters, allowing for the measurement of very small flow rates. It offers instantaneous flow indication, instantaneous flow analog current output, alarm relay contact output, and a wealth of additional features suitable for various applications in plant equipment. It is compatible with liquids and gases such as industrial water, industrial chemicals, reagent solutions, and various gases, making it suitable for flow measurement across a wide range of industries. Additionally, the metal tapered tube area flow meter "MM Series" is also part of the lineup. 【Features】 ■ Safe design replacing glass tubes ■ Capable of measuring very small flow rates ■ A wealth of additional features applicable to various uses ■ Compatible with liquids and gases such as industrial water and industrial chemicals ■ Well-suited for flow measurement in various industries *For more details, please refer to the PDF document or feel free to contact us.

  • Other inspection equipment and devices
  • Flow Meter
  • Variable area flow meter

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Glass tapered tube flow meter "GTV series"

Glass tapered tube flow meter "GTV series"

Glass tapered tube flow meter suitable for measuring the flow rate of corrosive liquids and gases.

The "GTV Series" is designed to be mounted directly and vertically on piping, measuring the instantaneous flow of liquids and gases within the piping. The flange material is made of rigid polyvinyl chloride (PVC-U), making it suitable for measuring the flow of corrosive liquids and gases. The flow scale on the surface of the glass tapered tube is engraved in a concave shape and treated with a reddish color, enhancing visibility. Additionally, we also offer the acrylic tapered tube flow meter "ATV Series." 【Features】 ■ Ideal for measuring the flow of corrosive liquids and gases ■ Flange material made of rigid polyvinyl chloride (PVC-U) ■ High visibility flow scale on the surface of the glass tapered tube ■ Acrylic tapered tube flow meter "ATV Series" also available *For more details, please refer to the PDF document or feel free to contact us.

  • Other inspection equipment and devices
  • Flow Meter
  • Variable area flow meter

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Area flow meter

Area flow meter

The flow area determined by the position of the float inside the tapered pipe has a constant relationship with the flow rate passing through.

A measuring tube with an upward slope (commonly referred to as a tapered tube) contains a float that can move freely up and down, and is assembled with an appropriate support. This is known as a flow meter. When a fluid (liquid, gas, or vapor) flows from below to above, the float is pushed upward due to the force created by the pressure difference that arises before and after it. As the float moves upward, the flow area between the float and the tapered tube increases. As a result, the velocity of the fluid passing through that area decreases, leading to a reduction in the pressure difference, and the float comes to rest at a position where the forces due to its effective weight and the pressure difference are balanced. Since the flow area determined by the position of the float inside the tapered tube and the flow rate passing through it are in a constant relationship, it is possible to measure the flow rate by detecting that position. 【Density of Gases (Excerpt)】 < Name: Density kg/m3 (ntp) / Specific Gravity > ■ Nitrous Oxide: 1.978 / 1.530 ■ Acetylene: 1.171 / 0.906 ■ Argon: 1.784 / 1.380 ■ Ammonia: 0.772 / 0.597 ■ Carbon Monoxide: 1.250 / 0.967 *For more details, please refer to the PDF document or feel free to contact us.

  • Flow Meter
  • Variable area flow meter

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Aichi Clock Management Gas Meter

Aichi Clock Management Gas Meter

Improving the efficiency of gas supply

This is an introduction to the "Aichi Clock Management Gas Meter" that we handle. 【Features】 The management gas meter is a device used to measure and record gas consumption in a gas supply system. The management gas meter plays an important role in improving the efficiency of gas supply and minimizing the impact on energy management and the environment. 【Product Model】 TBZ150-3.5N-L *It is currently available for sale on "Plant Navi," a wholesale and purchasing site exclusively for businesses dealing with plant piping materials and residential equipment operated by Hasegawa Kizai Co., Ltd.

  • Flow Meter
  • Variable area flow meter

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Metal Tube Area Flow Meter "MT3809G Series"

Metal Tube Area Flow Meter "MT3809G Series"

Suitable for application to various gases, liquids, and vapors! A meter that accommodates a wide range of temperatures, pressures, and process ranges.

The "MT3809G Series" is a metal tube area flow meter equipped with a digital LCD display for local operator use, capable of displaying valuable process outputs such as total quantity and alarm signals. Parameters can be changed by the user without removing the cover. Changes can also be made in hazardous areas. Additionally, even when power is unavailable, communication with the control system is possible via analog or digital interfaces. 【Features】 ■ Wide flow range support - Covers from micro flow to large flow ■ Rated temperature -198°C to 420°C ■ Pressure rating: up to 6,000 psi (standard products) and up to 20,000 psi (custom models) ■ Large/small flow alarm functions compliant with SIL2 requirements ■ ATEX IIC/Class 1 Div 1 compliant 316 stainless steel explosion-proof housing suitable for harsh hazardous locations, etc. *For more details, please download the PDF or feel free to contact us.

  • Flow Meter
  • Variable area flow meter

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Glass tube area flowmeter / Metal tube area flowmeter

Glass tube area flowmeter / Metal tube area flowmeter

Introducing the "glass tube area flow meter," suitable for various liquids and gases!

We would like to introduce our "Glass Tube Area Flow Meter / Metal Tube Area Flow Meter." When measuring the flow of liquids or gases under high pressure and high temperature, which are not suitable for plastic, our robust "Glass Tube Area Flow Meter (Rotameter)" allows for more accurate flow measurement. It offers a wider flow range and is suitable for various liquids and gases. The "Metal Tube Area Flow Meter" is equipped with key features designed for harsh oil and gas applications. 【Features】 ■ Glass Tube Area Flow Meter - Flow measurement technology with high durability, economy, and excellent operability - Capable of a wider flow range, suitable for various liquids and gases ■ Metal Tube Area Flow Meter - Durability and accuracy that withstands high pressure and harsh temperature environments *For more details, please refer to the PDF document or feel free to contact us.

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  • Flow Meter
  • Variable area flow meter

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