FLOW SWITCHES FOR SALE

Browse flow switches at our shop - we offer over 50 different options, from water to air flow switches, by top brands like Taco, Dwyer, and Johnson Controls!
View Details Johnson Controls F262KDH-01C AIR FLOW SWITCH; LIQUID FLOW SWITCH  | Blackhawk Supply
$197.23 each
View Details Dwyer FS-2-BSPT Paddle flow switch | 1" male BSPT.  | Blackhawk Supply
$66.12 each

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Flow switches are indispensable components in a wide range of industrial and commercial applications, providing essential flow monitoring and control capabilities. These electromechanical devices detect changes in fluid flow rates within pipes and systems, triggering electrical signals that activate or deactivate connected equipment. This automation ensures smooth operation, prevents damage, and optimizes system efficiency.

From maintaining precise flow rates in industrial cooling, lubrication, and production processes to guaranteeing efficient HVAC operation in buildings, their versatility is evident. Flow switches play a critical role in responsible water management by regulating irrigation systems, protecting pumps, and detecting leaks. Additionally, they are crucial for safety, enabling the timely activation of fire sprinkler systems and chemical leak detectors, as well as ensuring the safe and efficient transportation of energy resources in the oil and gas industry. Even in the medical field, flow switches are vital for maintaining critical flow rates in equipment like dialysis machines and respirators, directly impacting patient safety and treatment efficacy.

MAIN STRUCTURAL COMPONENTS OF A FLOW SWITCH

Flow switches, though seemingly simple, utilize clever engineering to provide reliable flow detection.

Key components work together seamlessly:

  • Flow Body: This housing precisely directs fluid flow to maximize interaction with the sensing element, often designed for specific pipe sizes and materials to withstand varying pressures and fluid characteristics.

  • Sensing Element: This component directly interacts with the fluid, translating its movement into mechanical action. Common types include:

    • Paddle: The force of the flow deflects a paddle, activating a switch when a predetermined flow rate is reached.

    • Piston: Fluid movement displaces a piston within a cylinder, triggering a switch at a specific position, indicating the desired flow rate.

    • Thermal Sensor: Measuring the cooling effect of the flowing fluid on a heated element, this sensor correlates temperature change to flow rate.

  • Switching Mechanism: This converts the mechanical action of the sensing element into an electrical signal. Options include microswitches, reed switches, or solid-state relays, chosen for their electrical characteristics and reliability in the given application.

  • Electrical Connection: This interface allows for seamless integration with the control system, enabling communication and signal transmission for automated responses based on the detected flow conditions.

FLOW SWITCH TYPES AT OUR STORE

We at Blackhawk Supply offer a diverse selection of 80+ flow switches to meet the needs of various applications and industries. 

To help you navigate our extensive inventory, we've categorized our flow switch offerings based on key characteristics:

Flow Switch Types by Application

Flow switches are often designed with specific applications in mind, as the demands of different use cases can vary.

  • General Purpose Flow Switches: We offer versatile flow switches suitable for a wide range of applications with typical flow rates and environmental conditions. These are a great option when your requirements are not particularly specialized.

  • Industrial Flow Switches: For heavy-duty applications with higher flow rates, pressures, and potentially harsher environments, we offer robust industrial flow switches.

  • Flow Switches for Specific Equipment: Blackhawk Supply carries specialized flow switches tailored to the unique requirements of particular equipment, such as boilers or chillers, ensuring optimal performance and safety.

Flow Switch Types by Flow Material

The type of substance flowing through the switch dictates its design and material composition.

  • Liquid (Water) Flow Switches: These switches are specifically engineered to detect the flow of liquids, such as water, oil, chemicals, and various process fluids, and are commonly used in HVAC systems, water treatment plants, and manufacturing processes.

  • Liquid Flow Switches with Test Feature: These specialized switches include a built-in testing mechanism that allows you to verify the switch's functionality without interrupting the flow, simplifying maintenance and troubleshooting.

  • Air Flow Switches: For applications requiring the detection of air or other gases, we offer specialized air/gas flow switches, often found in ventilation systems, air compressors, drying processes, and safety systems.

Flow Switch Types By Sensing Element

The sensing element is the heart of the flow switch, responsible for detecting the actual flow.

  • Paddle Flow Switches: These switches utilize a paddle that is deflected by the flow, triggering a switch mechanism. We offer options with different paddle materials to accommodate varying flow rates and pressures.

  • Vane Flow Switches: Similar to paddle switches, vane switches use a vane element to detect flow and are often favored for air/gas applications due to their design.

Flow Switch Types By Material

The material of the flow switch impacts its durability, corrosion resistance, and compatibility with different fluids.

  • Brass Flow Switches: A cost-effective option, brass flow switches are suitable for general purpose applications and compatible with a variety of fluids.

  • Stainless Steel Flow Switches: Our selection includes robust stainless steel flow switches, known for their excellent corrosion resistance and suitability for harsher environments, corrosive fluids, and higher pressure systems.

Flow Switch Types By Minimum Operating Temperature

Ensuring the flow switch can operate reliably within the expected temperature range of your application is crucial.

QUALITY FLOW SWITCH BRANDS WE SELL

At Blackhawk Supply, we understand the importance of reliable flow control. That's why we offer flow switches from trusted brands known for their quality, durability, and performance: Taco, Johnson Controls, Dwyer and others.

Here’s a closer look at what these top brands bring to the table:

  • Taco Flow Switches: Specializing in hydronic systems, Taco flow switches are your go-to for reliable liquid flow control, particularly in heating and cooling applications. Built for durability and long-lasting performance, they often feature robust brass or stainless steel construction. Taco incorporates proven sensing technologies, like paddle or piston mechanisms, to ensure accurate flow detection. Their user-friendly designs prioritize ease of installation and maintenance, making them a favorite among installers and homeowners alike.

  • Johnson Controls Flow Switches: As a global leader in building technologies, Johnson Controls offers a versatile range of flow switches for HVAC, industrial, and commercial applications. Their portfolio encompasses switches for both liquid and air/gas applications, utilizing various sensing technologies like paddle, thermal dispersion, and differential pressure to accommodate diverse needs. Johnson Controls prioritizes energy efficiency in many of their designs, helping you optimize system performance and reduce operational costs.

  • Dwyer Flow Switches: When precision and reliability are paramount, Dwyer Instruments' flow switches deliver. Known for their accuracy and durability, Dwyer offers a comprehensive range to meet diverse application requirements. They provide switches for various flow ranges, media types (liquids, air, and gases), and hazardous area classifications, ensuring you find the perfect fit. Dwyer also offers versatile mounting options to accommodate different installation scenarios, making them a go-to choice for industrial process control, HVAC, medical equipment, and more.

BLACKHAWK SUPPLY: YOUR SOURCE FOR RELIABLE FLOW SWITCHES

Ready to ensure your systems are operating at peak performance? Explore Blackhawk Supply's wide selection of flow switches from trusted brands. We offer a range of options to suit any application, from general-purpose to specialized industrial solutions, and our knowledgeable team is here to help you find the perfect fit. Enjoy peace of mind with our 60-day return policy and take advantage of free shipping on orders over $999.

Keep your operations flowing smoothly with Blackhawk Supply – shop now!

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