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TOFLO CORPORATION
SMC Corporation.
Rockwell Automation
Mod-Tronic Instruments Limited
Kawaki Measurement Industry Co., Ltd.
John C. Ernst Co. Inc.
Intek, Inc.
FlowTech Corporation
CS INSTRUMENTS USA INC.

9 Flow Switch Manufacturers in 2025

This section provides an overview for flow switches as well as their applications and principles. Also, please take a look at the list of 9 flow switch manufacturers and their company rankings.

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List of 9 Flow Switch Manufacturers

*Including some distributors, etc.

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  • United States of America
  • Canada
  • Japan
    • CS INSTRUMENTS USA INC.
      • United States of America Address: 110 Traders Cross, Bluffton, South Carolina, United States of America

      Company Overview

      CS INSTRUMENTS USA is based in Bluffton, South Carolina, and is the American subsidiary of CS INSTRUMENTS headquartered in Tannheim, Germany. CS INSTRUMENTS was established in 2002 is a manufacturer and distributor of compressed air technology and related products, generally used in industrial and manufacturing settings. CS product lines encompass a complete compressed air monitoring system with individual segments including dew point, compressed air quality, leak detection, chart recording, and software. Many of these components can be used in other capacities, such as flow measurement devices in underwater settings such as marine or water treatment industries.

    • FlowTech Corporation
      • United States of America Address: 7601 Stadium Dr, Kalamazoo, Michigan, United States of America

      Distributor Overview

      FlowTech Corporation, founded in 1975, is a supplier of fluid filtration equipment, including filter housings, o-rings, flow & pressure switches, disposable and replacement filters, as well as flowtech products for use in pharmaceutical, chemical processing, food & beverage, electronics, and industrial applications. The company, which has manufacturing partners like Parker Advanced Filtration, Purolator Advanced Filtration, Floetech Corporation, and Chemflo Companies, is based on Stadium Dr. in Kalamazoo. The business provides fluid control devices, specialty engineering services, and filter vessels.

    • TOFLO CORPORATION
      • Japan Address: 4-3-17 Minamidaira, Hino-shi, Tokyo, Japan

      Manufacturer Overview

      TOFLO CORPORATION was established in 1973 and is a manufacturer of flow sensing and flow control products based in Hino, Tokyo, Japan The company manufactures various flow-related products such as variable area flow meter, flow control valve, vortex flow meter, plastic pressure switch, and metal check valve. The products are used in various applications such as gas management, chemical industries, waste water management, and industrial manufactures. The company had acquired certifications such as ISO 9001 for the Quality Management System and Eco Action 21 for environmental sustainability.

    • SMC Corporation.
      • Japan Address: Akihabara UDX15F, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo, Japan

      Manufacturer Overview

      SMC corporation was founded in 1959 and is headquartered in Tokyo, Japan. SMC Corporation manufactures and sells automatic control equipment and filtration equipment. SMC has production facilities in 30 countries, technical development centers in Japan, the United States, Europe, and China, and sales offices, globally. SMC product lines divided by them include filter replacements, condensation prevention, heat resistance, thermos-chilling, and others. SMC provides a video library as well as product selection guide to assist customers in finding solutions and optimizing product efficiency.

    • Mod-Tronic Instruments Limited
      • Canada Address: 1 Delta Park Blvd #12 Brampton, Ontario, Canada

      Company Overview

      MOD-TRONIC Instruments Limited was established in 1972 in Brampton, Ontario, Canada. MTis a distributor of industrial sensors, transducers, heaters, controls, and instrumentation, primarily made in the USA as well as Japan, Switzerland, and Germany. MT’s customers are primarily in the aerospace, building automation, manufacturing, medical, military, oil and gas, and water treatment industries but also serves individuals. MT offers an above industry standard 5-year warranty and technical support on every product sold.

    • Rockwell Automation

      Company Overview

      Rockwell Automation, Inc. was founded in 1903 and is headquartered in Milwakee, WI. Rockwell Automation provides industrial automation and digital transformation solutions around the world. Rockwell Automation operates through their intelligent devices, software & control, and lifecycle services segments with both hardware and software products and services. The Intelligent Devices segment offers drives, motion, safety, sensing, industrial components, and configured-to-order products. The Software & Control segment provides control and visualization software and hardware, information software, and network and security infrastructure solutions. The Lifecycle Services segment provides consulting, professional services and solutions, and connected and maintenance services through independent distributors.

    • John C. Ernst Co. Inc.

      Company Overview

      John C. Ernst Co. is based in Sparta, New Jersey with distribution centers in Australia and Canada. The company is a manufacturer of flow-related products for industrial uses. The company’s product 8 segments include sight flow indicators, flow meters & totalizers, and liquid gauges & valves. The other segments are glass & gaskets, sight windows, switches & flow level, and ejectors and eductors. The company can sell direct to individual customers and to distributors.

Flow Switch Manufacturer Ranking

*Including some distributors, etc.

Number of Employees

  1. TOFLO CORPORATION: 238
  2. Kawaki Measurement Industry Co., Ltd.: 31

Newly Established Company

  1. Intek, Inc.: 1976 (49 years ago)
  2. Mod-Tronic Instruments Limited: 1972 (53 years ago)
  3. SMC Corporation.: 1959 (66 years ago)

Company with a History

  1. Kawaki Measurement Industry Co., Ltd.: 1948 (77 years ago)
  2. SMC Corporation.: 1959 (66 years ago)
  3. Mod-Tronic Instruments Limited: 1972 (53 years ago)

Flow Switch Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Flow Switch Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 3 42.9%
Japan Japan 3 42.9%
Canada Canada 1 14.3%

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List of Flow Switch Products

40 products found

40 products

Showa Kiki Instrumentation Co., Ltd.

Flow switch AS-0910

170+ people viewing

Last viewed: 8 hours ago

A small flow switch that is the same size as screw-in piping. If you use it for cooling water cutoff alarms, etc., you can protect expensive equipm...

TAIYO Co., Ltd.

Air pressure conditioning equipment pressure switch DAS series

220+ people viewing

Last viewed: 56 minutes ago

■Features ・A new type of pressure switch with a built-in microswitch inside the conventional analog pressure gauge. ・Switch and pressure gauge ar...

Toyo Signal Communication Co., Ltd.

Paddle type flow switch suitable for flow control

170+ people viewing

Last viewed: 19 hours ago

Magnetic control improves durability, and long years of know-how ensures operating point stability. Paddle-type flow rate detection switch senses a...

CAREL Japan Co., Ltd.

Sensors and Protection Devices Protection and Notification Devices Antifreeze Thermostats Air Flow Switches

100+ people viewing

Last viewed: 9 hours ago

Alerts you to equipment limits so you can take precautions to prevent your system from shutting down. The new fire and smoke detector is small and ...

Regal Joint Co., Ltd.

Lower price and simpler functions than PSL Flow switch PSW-5/30L

230+ people viewing

Last viewed: 12 hours ago

■Summary Karman vortex flow rate sensors PSW-5L and 30L measure the flow rate of fluid passing through the flow path, and the LED and switch switch...

Regal Joint Co., Ltd.

Super small. Karman vortex flowmeter DKL-5L/20L for space-saving piping

290+ people viewing

Last viewed: 12 minutes ago

■Summary The flow rate sensor DKL-5/20LT uses Karman vortices to measure water volume. There are two measurement ranges: 1 ~ 5L/min and 4 ~ 20L/min...

Regal Joint Co., Ltd.

Super small. Karman vortex flowmeter KDT-5L/20L for space-saving piping

250+ people viewing

Last viewed: 2 hours ago

■Features ・Achieved miniaturization by incorporating the Karman vortex generator and detector inside the pipe. ・Slim appearance allows installati...

Regal Joint Co., Ltd.

Ultrasonic flowmeter for pure water and chemical liquids Ultrasonic Karman vortex flowmeter USL-20L

280+ people viewing

Last viewed: 9 hours ago

■Summary The flow rate sensor USL-20L measures liquid flow rate using changes in ultrasonic propagation time due to Karman vortices. Fluid and ambi...







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