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Flow regulators

Flow regulators - effective rainwater control


Flow regulators are state-of-the-art devices which are responsible for controlling the amount of rainwater drained from retention systems into sewers or natural receivers. They make it possible to protect the infrastructure from overloading and at the same time make efficient use of the collected rainwater.


In the Aquatechnika range you will find different types of flow regulators, such as:

  • Slotted regulators - simple and reliable solutions for smaller systems,

  • Vortex regulators (with vortex impeller) - used in large storage tanks, ensure stable drainage,

  • Float regulators - which operate automatically depending on the water level,

  • Nozzle regulators - precise, with an adjustable cross-section, allowing the flow to be matched to the installation,

  • Orifice regulators (cone regulators) - limit the outflow by narrowing the flow cross-section,

  • Flap regulators - prevent backflow and allow one-way flow,

  • Needle regul ators - allow very precise regulation of the water flow in installations requiring high precision.


Our products are durable, reliable and easy to install. By choosing a flow regulator, you are assured that your rainwater management system operates safely and in accordance with environmental requirements. Check out Aquatechnika's range of products and choose a model to suit your needs.

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Tapered flow regulator

  • Selection on request
  • Robust stainless steel construction
  • For the regulation of flow in rainwater systems
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Vertical flow regulator

  • Selection on request
  • Robust stainless steel construction
  • For the regulation of flow in rainwater systems
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The flow regulators are made of high-quality materials resistant to corrosion and weathering. Their design allows precise control of the amount of water drained depending on the intensity of rainfall. These solutions are used in retention basins, separators or infiltration systems.

Applications of flow regulators

  • Protection of sewer networks against overloading,

  • Efficient discharge of excess rainwater,

  • Safe operation of retention basins,

  • Support of infiltration and seepage systems,

  • Compliance with building design requirements and environmental standards.


Aquatechnika supplies flow regulators to individual customers and institutions throughout Poland - we serve Warsaw, Krakow, Wroclaw, Gdansk, Poznan and Lodz, as well as smaller towns and regions. We also deliver to neighbouring countries such as Germany, the Czech Republic and Slovakia. This ensures that, regardless of your location, you will receive a product tailored to your installation.

FAQ - questions and answers

What is the flow controller used for?

The flow regulator is used to limit and control the amount of water discharged from the retention systems into the sewer system or the ground. This ensures that the system operates stably and that the network is not overloaded.
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How do I choose the right flow controller?

The choice of the right controller depends on the size of the system, the anticipated volume of rainwater and local conditions. At Aquatechnika, we offer models to suit both single-family homes and large commercial properties.
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What types of flow regulators are there and where are they used?

Flow regulators are divided into different types, including slotted, impeller, float, nozzle, orifice (cone), flapper and needle. Each is used in different systems - from simple domestic installations to large urban retention tanks. The choice of type depends on the technical parameters and the purpose of the installation.
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Does the flow controller require maintenance?

Flow regulators are simple devices that do not require complex maintenance. However, periodic maintenance is recommended to maintain their efficiency and extend their service life.
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Where are flow regulators used?

Flow regulators are used in retention basins, rainwater sewers, separators and infiltration systems. They make it possible to adapt the system to the requirements of water law and environmental protection.
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Are flow regulators available in different sizes?

Yes, flow regulators of different diameters and capacities are available. This allows the unit to be matched to the individual parameters of the installation and ensures reliability.
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