Technical standards

The technical standards are incorporated in the General and Special Quality and Inspection Regulations and are based on current prevailing norms, guidelines and process sheets.

 

  • DIN 3476: Valves and fittings for untreated and potable water; Protection against corrosion by internal epoxy coating of coating powders (P) or liquid varnishes (F); Requirements and tests
  • EN ISO 4624: Paints and varnishes – Pull-off test for adhesion
  • EN 14901: Ductile iron pipes, fittings and accessories – Epoxy coating (heavy duty) of ductile iron fittings and accessories – Requirements and test methods
  • DIN 30677-1: Corrosion protection of buried valves; coating for normal requirements
  • DIN 30677-2: External corrosion protection of buried valves; heavy-duty thermoset plastics coatings
  • EN ISO 12944-4: Paints and varnishes – Corrosion protection of steel structures by protective paint systems - Part 4: Types of surface and surface preparation
  • EN ISO 8501-1: Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness – Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings
  • ISO 8130-1: Coating powders – Part 1: Determination of particle size distribution by sieving
  • ISO 8130-3: Coating powders – Part 3: Determination of density by liquid displacement pyknometer
  • ISO 8130-6: Coating powders – Part 6: Determination of gel time of thermosetting coating powders at a given temperature
  • ISO 8130-7: Coating powders – Part 7: Determination of loss of mass on stoving
  • EN 10204: Metallic products – Types of inspection documents
  • EN ISO 2812: Paints and varnishes – Determination of resistance to liquids – Part 1: Immersion in liquids other than water
  • EN ISO 8502-3: Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness – Part 3: Assessment of dust on steel surfaces prepared for painting (pressure-sensitive tape method)
  • EN 598: Ductile iron pipes, fittings, accessories and their joints for sewerage applications - Requirements and test methods
  • DVGW Code of Practice G 260: Gas composition
  • DVGW Code of Practice G 262: Utilisation of gases from renewable sources in the public gas supply
  • DVGW Code of Practice W 270: The growth of microorganisms on materials intended for use in drinking water systems – examination and assessment
  • UBA Coating Guideline: Guideline for Sanitary Assessment of Organic Coatings in Contact with Drinking Water

 

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