brands

attributes.Maximum_Flow_Rate

attributes.Electrical_Connection

attributes.Control_Output

attributes.Mounting_Style

attributes.Supply_Voltage

attributes.Display_Screen

attributes.Pipe_Diameter_Range

attributes.Minimum_Operating_Temperature

attributes.Maximum_Operating_Temperature

Burkert Compact Mount Flow Controller, Analogue, PTM, PWM Output, 24 V dc, DN 6 → 65 mm Pipe

Burkert Compact Mount Flow Controller, Analogue, Pulse, Totalizer Output, 12 → 30 V dc, DN 15 → 50 mm Pipe

Burkert Compact Mount Flow Controller, Frequency, NPN Output, 12 → 30 V dc, DN 6 → 65 mm Pipe

Burkert Compact Mount Flow Controller, PNP Output, 12 → 36 V dc, DN 6 → 65 mm Pipe

Burkert Panel Mount Flow Controller, PWM Output, 24 V dc

Burkert Compact Mount Flow Controller, Analogue, Pulse, Relay, Totalizer Output, 12 → 30 V dc, DN 15 → 50

Burkert Flow Controller, Analogue, Frequency, Relay Output, 18 → 36 V dc, DN 6 → 400 mm Pipe

Burkert Compact Mount Flow Controller, PNP Output, 12 → 36 V dc, DN 6 → 50 mm Pipe


Flow controllers are essential instruments for precisely regulating the flow of liquids and gases in various industrial and scientific applications. These devices ensure accurate and consistent control of mass, gas, and water flow rates, optimizing process efficiency and product quality.

As a trusted supplier of [industrial control systems](https://ph.rs-online.com/web/c/automation-control-gear/process-control/) in the Philippines, RS offers a comprehensive selection of flow controllers compatible with diverse process control systems, ensuring optimal performance and efficiency for your operations.

## **What Is a Flow Controller?**

A flow controller, commonly referred to as a "mass flow controller", is a device that measures and controls the flow rate of liquids and gases. It also ensures a consistent and accurate flow rate by automatically adjusting valve positions based on an electrical control signal, unaffected by external conditions or pressure changes. This is critical for applications requiring precise control, whether it's for a water flow controller in a processing plant or a gas flow controller in a laboratory. You’ll also find advanced models like digital mass flow controllers that provide exceptional accuracy and digital output for seamless integration.

## **How Flow Controllers Work**

An electronic flow controller precisely regulates fluid dynamics through a signal-to-valve loop. Initially, the medium enters, passing through the sensor or the bypass that detects the mass flow rate, often as a change in temperature. This physical change is then converted into a proportional electric signal.

This signal is then sent to a control circuit, where it's compared against the desired flow rate setpoint. The difference between these readings is sent to a valve driving circuit. Finally, the flow rate valve intelligently adjusts its position, ensuring the actual flow rate matches the setpoint, delivering accurate and stable control. This process is crucial for engineers and buyers evaluating optimal flow rate controller technology.

## **Types of Flow Controllers**

Flow controllers are categorized by the measurement principle and the medium they regulate:

- **Mass Flow Controllers:** A mass flow controller measures and regulates the actual mass of gas or liquid, making it an indispensable tool for industrial environments where accurate flow rate is critical, regardless of temperature or pressure fluctuations.
- **Volumetric Flow Controllers:** These controllers measure the volume of fluid passing through. Additionally, this measurement is significantly affected by changes in temperature and pressure, which can alter the fluid's density. They are typically used in less sensitive applications where mass flow accuracy isn't the primary concern.
- **Gas Flow Controllers:** Specifically calibrated to control the flow of particular gases, a gas flow controller is essential in processes where precise gas mixtures or delivery rates are required.
- **Water Flow Controllers:** A water flow controller is designed for regulating liquid flow in utility, HVAC, and plumbing systems. They ensure consistent water delivery rates for processes, irrigation, or maintaining specific levels, and are generally easy to install, often connecting directly to water lines.

## **Benefits of Using Flow Controllers**

Flow controllers offer significant advantages in Philippine industrial and commercial applications:

- **Precise Flow Regulation:** These devices maintain consistent pressure and flow rates even under fluctuating conditions, ensuring process stability.
- **Cost and Resource Savings:** Some flow rate controllers can reduce water consumption by up to 85%, contributing to environmental sustainability and operational cost reduction.
- **Durability and Longevity:** Built for long service life with robust components, minimizing maintenance and replacement costs.
- **Ease of Installation:** Most flow controllers are user-friendly and can be installed without specialized professional assistance.
- **Energy Efficiency:** In [pneumatic systems](https://ph.rs-online.com/web/c/pneumatics-hydraulics/pneumatic-hydraulic-pressure-gauges/pressure-pumps/), flow rate controllers reduce air consumption, lowering operational expenses.

## **Where Are Flow Controllers Installed?**

When you buy a flow controller in the Philippines, you must consider the intended installation location to ensure precise regulation of fluid dynamics. The most common placement options you may encounter are:

- **Inline on Pipe or Tubing Systems:** Many flow controllers are installed directly inline within pipe or tubing systems. This common placement ensures the device can accurately measure and regulate the fluid as it flows through the system, a feature often seen in industrial processes.
- **Point-of-Use (Under Sink or Valve):** For applications requiring localized control, such as laboratory setups or specific plumbing needs, a flow controller may be installed at the point of use, for instance, under a sink or directly at a valve.
- **DIN Rail or Control Panel Mounting:** Advanced units, such as digital mass flow controllers, are often mounted on [DIN rail accessories](https://ph.rs-online.com/web/c/connectors/terminal-blocks/din-rail-terminal-accessories/) or integrated into control panels. This enables centralized management and facilitates easy access for monitoring and adjustments.

## **Industries that Use Flow Controllers**

In the Philippines, flow controllers are indispensable across a wide range of industries, including:

- **Process Manufacturing:** Industries that deal with chemicals, liquids, or gases rely on mass flow controllers for accurate dosing and mixing, which is crucial for maintaining product consistency.
- **Energy and Utilities:** Flow controllers are essential for controlling pipeline gas or water flow, optimizing distribution, and ensuring safety in power generation and utility networks.
- **Discrete Manufacturing:** In discrete manufacturing, flow controllers manage cooling systems for machinery, control pneumatics, and regulate gas flow in soldering stations, impacting product quality and efficiency.
- **Facilities Management and Labs:** For environmental controls and water-saving initiatives, the upfront price of these devices is worth their value as they ensure precise regulation for specialized applications.

## **Buy Flow Controllers in the Philippines**

When you're ready to buy flow controllers, turn to RS Philippines and find a comprehensive selection from industry-leading brands like [SMC](https://ph.rs-online.com/web/b/smc/), [Burkert](https://ph.rs-online.com/web/b/burkert/), and [Omron](https://ph.rs-online.com/web/b/omron/). Our range includes precise digital mass flow controller units, reliable gas flow controller options, and efficient water flow controller devices, all designed to meet diverse industrial and scientific needs. Simply use the filters on the page to find the device that meets your needs and budget.

At the same time, we understand the importance of getting the best value for your money, which is why we strive to keep our prices reasonable across our entire inventory. Additionally, we provide reliable and expedited delivery of flow controllers nationwide, including to local facilities and factories. For more details on delivery services and fees, please refer to our [delivery page](https://ph.rs-online.com/web/content/support/all-articles/delivery).



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