I 51 1984 1924 ı....|....ı....|....ı....|....ı....|....ı....|....ı....|...1984ı....|....ı....|....ı....|....ı....|... 2024 DVGW certification is a recognition that is of crucial importance for products in the gas and water supply sector. In 1984, the Saunders- SISTO company received this coveted certification for its outstanding product, the SISTO-4. Reliability and quality The SISTO-4 was not only tested, but also registered in accordance with the strict guidelines of DIN-DVGW (German Technical and Scientific Association for Gas and Water). This guarantees the highest quality and reliability for water supply applications. Materials and tightness A key feature of the SISTO-4 is the use of materials that comply with the KTW guidelines. This means that the materials used are harmless to health and fulfil the requirements for contact with drinking water. Another outstanding feature is the hermetic seal to the outside thanks to a chambered diaphragm. This innovative design ensures that no media can penetrate to the outside, while at the same time guaranteeing a reliable seal in the passageway. Maintenance-free and long-term operation The SISTO-4 is characterised by maintenancefree operation. Thanks to the hermetic sealing of all functional parts against the operating medium, long-term functional reliability is guaranteed.
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