[ Product listing ](/en/technologies-1 " Product listing") #### Veolia’s Sirion Basic entry-level reverse osmosis system delivers efficient ion reduction and industrial water purification. Available in Midi (100-350 l/h) and Maxi (500-3,000 l/h) models with intuitive controls, compact design, and factory testing for immediate operation. [Contact an expert](https://www.veoliawatertechnologies.com/en/contact) [Overview](#1) [Applications](#2) [Services](#3) [Product range and resources](#4) ## Overview ### Affordable reverse osmosis system for essential water purification The **Sirion Basic from Veolia** utilizes advanced [**reverse osmosis**](/en/solutions/technologies/sirion "Sirion™") technology to deliver reliable **ion reduction** in process water. This **entry-level reverse osmosis solution** effectively removes dissolved salts and impurities, providing consistent water quality for various applications. Designed specifically for [**laboratories**](/en/core-markets/laboratories "Laboratories"), [**hospitals**](/en/core-markets/healthcare "Healthcare "), and [**food production**](/en/core-markets/food-beverage "Food and Beverage ") facilities, the **Sirion Basic** system ensures dependable **industrial water purification** without unnecessary complexity or cost. Key features include **compact design** for minimal footprint, **intuitive controls** via the RO7 interface, and **simplified maintenance** requirements. The system comes in Midi (100-350 l/h) and Maxi (500-3,000 l/h) models to accommodate different capacity needs. Every unit undergoes comprehensive **factory testing** before shipment. With **plug-and-play installation** and pre-programmed operation parameters, this **water treatment equipment** delivers immediate value while maintaining the reliability expected from Veolia **water purification** solutions. [Do you have a question about this technology? Ask an expert.](https://www.veoliawatertechnologies.com/en/contact) ![View of a Sirion Basic Maxi](/sites/g/files/dvc4591/files/styles/media/public/image/2025/12/Sirion_Basic_Maxi-vista_lateral_izqda-baja.jpg.webp?itok=8E4GMqec) ## Applications [ ![© Media Library VEOLIA - Christophe Daguet](/sites/g/files/dvc4591/files/styles/content_push_teaser/public/image/2022/03/WLOSZCZOWA_0257_0.jpg.webp?itok=m19dMdWV) ](/en/applications/ingredient-water "Ingredient water") [Ingredient water](/en/applications/ingredient-water "Ingredient water") Water and distribution systems that produce high-quality water to be included as an ingredient within food and beverage products. [Read more](/en/applications/ingredient-water "Ingredient water") [ ![](/sites/g/files/dvc4591/files/styles/content_push_teaser/public/image/2019/06/Push-laboratories.jpg.webp?itok=fltCqONj) ](/en/applications/laboratory-water "Laboratory Water") [Laboratory Water](/en/applications/laboratory-water "Laboratory Water") Water and distribution systems that produce ultra high-purity laboratory water for use in research and clinical diagnosis [Read more](/en/applications/laboratory-water "Laboratory Water") [ ![](/sites/g/files/dvc4591/files/styles/content_push_teaser/public/image/2019/11/Process-Water-Banner.jpg.webp?itok=gKDFHfTa) ](/en/applications/process-water "Process water") [Process water](/en/applications/process-water "Process water") High quality water systems for production, process and manufacturing uses. [Read more](/en/applications/process-water "Process water") [ ![Ultrapure banner](/sites/g/files/dvc4591/files/styles/content_push_teaser/public/image/2022/06/ultrapure.jpg.webp?itok=rjDNRSAN) ](/en/applications/ultrapure-water "Ultrapure water") [Ultrapure water](/en/applications/ultrapure-water "Ultrapure water") A full range of water purification technologies [Read more](/en/applications/ultrapure-water "Ultrapure water") ## Services [ ![Hubgrade make your ressources smarter banner ](/sites/g/files/dvc4591/files/styles/content_push_teaser/public/image/2021/12/210394_VWT_CORPOC_HUBGRADE_web_banner_1542x528.jpg.webp?itok=ZG6Qiymb) ](/en/hubgrade-digital-solutions "Hubgrade digital solutions") [Hubgrade digital solutions](/en/hubgrade-digital-solutions "Hubgrade digital solutions") A combination of digital tools and Veolia expertise that make all your water processes smarter, safer and more sustainable. [LEARN MORE](/en/hubgrade-digital-solutions) [ ![Service man controlling valves](/sites/g/files/dvc4591/files/styles/content_push_teaser/public/image/2019/06/Service.jpg.webp?itok=VPLkv927) ](/en/services/installed-base-services "Installed Base Services") [Installed Base Services](/en/services/installed-base-services "Installed Base Services") Providing best-in-class water treatment services tailored to your exact needs to optimize the operational performance of your facility. [LEARN MORE](/en/services/installed-base-services) ## Product range and resources Product range [ ![Complete lateral view of a Sirion Midi](/sites/g/files/dvc4591/files/styles/vwt_product_content_push/public/image/2024/10/Sirion-Midi-push.png.webp?itok=eQbPRlHw) ### Sirion™ Midi A reverse osmosis system that produces high-purity water, removing up to 98% of dissolved inorganics and over 99% of large dissolved organics, colloids and particles from brackish water. Membrane Filtration - reverse osmosis ](/en/solutions/technologies/sirion-midi) [ ![](/sites/g/files/dvc4591/files/styles/vwt_product_content_push/public/image/2023/10/Sirion-Mega-push.jpg.webp?itok=VuLeZnGR) ### SIRION™ Mega High flux and low energy reverse osmosis. Membrane Filtration - reverse osmosis ](/en/technologies/sirion-mega) [ ![SIRION™ Advanced & Pro Hero Banner](/sites/g/files/dvc4591/files/styles/vwt_product_content_push/public/image/2020/01/Service%20Operator_HMI_SIRION%201.JPG.webp?itok=gbTndJrE) ### Sirion™ Advanced Sirion™ Advanced premium water treatment for hospitals, power generation, and electronics industries. Advanced reverse osmosis membrane technology with smart water monitoring delivers reliable energy efficient water production up to 5,000 l/h. Membrane Filtration - reverse osmosis ](/en/solutions/technologies/sirion-advanced) [ ![](/sites/g/files/dvc4591/files/styles/vwt_product_content_push/public/image/2021/03/Sirion-Seawater-push.jpg.webp?itok=4eafO3r0) ### SIRION™ Seawater Reverse osmosis systems specially designed to treat seawater. Membrane Filtration - reverse osmosis ](/en/technologies/sirion-seawater) [ ![SIRION™ Mini](/sites/g/files/dvc4591/files/styles/vwt_product_content_push/public/image/2019/01/Sirion-Mini.jpg.webp?itok=N73KApTQ) ### SIRION™ Mini & Midi Compact reverse osmosis systems for purity water. Membrane Filtration - reverse osmosis ](/en/technologies/sirion-mini-midi) [ ![](/sites/g/files/dvc4591/files/styles/vwt_product_content_push/public/image/2022/09/Sirion-Mega-SF.png.webp?itok=wDIT8L-f) ### Sirion™ Sirion™ is a set of reverse osmosis product ranges designed to produce high purity water, removing up to 98% of dissolved inorganics and over 99% of large dissolved organics, colloids and particles. Membrane Filtration - reverse osmosis ](/en/solutions/technologies/sirion) resources [PDF Sirion Basic Midi (3.35 MB) ](/sites/g/files/dvc4591/files/document/2025/12/DS-%20Sirion%E2%84%A2%20Basic%20Midi%20Datasheet%20ENGLISH.pdf) [PDF Sirion Basic Maxi (3.65 MB) ](/sites/g/files/dvc4591/files/document/2025/12/DS-%20Sirion%E2%84%A2%20Basic%20Maxi%20Datasheet%20ENGLISH.pdf)