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European manu­fac­turing and distribution:

BERTFELT INERNATIONAL
Bertfelt Teknik AB, Head Office
Stockholm – Sweden
Phone: +46 (0)8 745 43 60
e-mail: btinfo@bertfelt.com
www.bertfelt.com

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Copyright 2026 © Bertfelt Teknik AB
  • 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
  • About Us
  • Certificates and declarations
  • Imprint
  • FAQ
  • Newsletter
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