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        • Home
        • Constant flow valves
          • Constant flow valve type Inserts
          • Threaded constant flow valves
          • Constant flow valve type Wafers
        • Applications
        • Case studies
        • How it works
          • Typical performance of BT-Maric constant flow valves
          • Benefits when using BT- Maric constant flow valves
          • How to specify BT-Maric constant flow valve?
          • Tailor made OEM solutions
          • How to save water
          • Video instructions
          • Frequently Asked Questions
        • Info HUB
          • Product Sheets
          • Catalogue
          • About Us
          • CORPORATE and News
          • Privacy Policy
          • General Terms and Conditions
          • Imprint – Bertfelt Teknik AB
          • Certificates and declarations
            • ACS (French certificate for potable water)
            • ISO 9001 and ISO 14001
            • EC 1935/2004 and EC 2023/2006
            • REACH
            • RoHS
        • CONTACT
          • Our team
          • Book an online meeting
          • Request for quotation
        • English
          • Dutch
          • French
          • German
          • Swedish
        • About Us
        • Certificates and declarations
        • Imprint
        • FAQ
        • Newsletter