# Bertfelt Teknik AB: Constant Flow Valves for the Industry

> Save water with our BT\-Maric Constant Flow Valve\. For industrial use \- reliable, self\-regulating and self\-cleaning valves\.

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## Pages
- [Constant flow valves](https://www.bertfelt.com/constant-flow-valves/)
- [Flow Regulator — Pressure\-Independent Mechanical Flow Control](https://www.bertfelt.com/flow-regulator/)
- [Réducteur de débit BT\-Maric — bâtiment tertiaire et collectivités](https://www.bertfelt.com/flow-regulation-valve/)
- [Contrôleur de débit constant BT\-Maric — procédés de précision](https://www.bertfelt.com/flow-limiter/)
- [Durchflussbegrenzer](https://www.bertfelt.com/constant-flow-valves/)

## Posts
- [This week the water world meets in Stockholm\. The cheapest liter is the one nobody will discuss\.](https://www.bertfelt.com/the-cheapest-liter-is-the-one-that-never-leaves-the-pipe/)
- [Esta semana el mundo del agua se reúne en Estocolmo\. El litro más barato es aquel del que nadie hablará\.](https://www.bertfelt.com/the-cheapest-liter-is-the-one-that-never-leaves-the-pipe/)
- [Deze week komt de waterwereld samen in Stockholm\. De goedkoopste liter is de liter waar niemand over praat\.](https://www.bertfelt.com/the-cheapest-liter-is-the-one-that-never-leaves-the-pipe/)
- [Den här veckan möts vattenvärlden i Stockholm\. Den billigaste litern är den som ingen kommer att diskutera\.](https://www.bertfelt.com/the-cheapest-liter-is-the-one-that-never-leaves-the-pipe/)
- [Diese Woche trifft sich die Wasserwelt in Stockholm\. Der günstigste Liter ist der, über den niemand sprechen wird\.](https://www.bertfelt.com/the-cheapest-liter-is-the-one-that-never-leaves-the-pipe/)

## Categories
- [APPLICATIONS](https://www.bertfelt.com/applications-of-our-constant-flow-valves/)
- [CASE Studies](https://www.bertfelt.com/case-studies/)
- [Video instructions](https://www.bertfelt.com/video-instructions/)
- [Cooling systems](https://www.bertfelt.com/case-studies/case-cooling-system/)
- [How to save water](https://www.bertfelt.com/case-studies/case-how-to-save-water/)

## Optional
- [Sitemap index](https://www.bertfelt.com/sitemap_index.xml)