CEN CENELEC - Page 179/1255

• Norma Técnica EN 12255-14

  Title: Wastewater treatment plants - Part 14: Disinfection
  Entity: CEN CENELEC
  Subject: Sewage water

• Norma Técnica EN 12255-15

  Title: Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
  Entity: CEN CENELEC
  Subject: Sewage water

• Norma Técnica EN 12255-16

  Title: Wastewater treatment plants - Part 16: Physical (mechanical) filtration
  Entity: CEN CENELEC
  Subject: Sewage water

• Norma Técnica EN 12255-3

  Title: Wastewater treatment plants - Part 3: Preliminary treatment
  Entity: CEN CENELEC
  Subject: Sewage water

• Norma Técnica EN 12255-4

  Title: Wastewater treatment plants - Part 4: Primary settlement
  Entity: CEN CENELEC
  Subject: Sewage water

• Norma Técnica EN 12255-5

  Title: Wastewater treatment plants - Part 5: Lagooning processes
  Entity: CEN CENELEC
  Subject: Sewage water

• Norma Técnica EN 12255-6

  Title: Wastewater treatment plants - Part 6: Activated sludge process
  Entity: CEN CENELEC
  Subject: Sewage water

• Norma Técnica EN 12255-7

  Title: Wastewater treatment plants - Part 7: Biological fixed-film reactors
  Entity: CEN CENELEC
  Subject: Sewage water

• Norma Técnica EN 12255-8

  Title: Wastewater treatment plants - Part 8: Sludge treatment and storage
  Entity: CEN CENELEC
  Subject: Sewage water

• Norma Técnica EN 12255-9

  Title: Wastewater treatment plants - Part 9: Odour control and ventilation
  Entity: CEN CENELEC
  Subject: Sewage water

• Norma Técnica EN 12256

  Title: Plastics piping systems - Thermoplastics fittings - Test method for mechanical strength or flexibility of fabricated fittings
  Entity: CEN CENELEC
  Subject: Plastic fittings

• Norma Técnica EN 12257

  Title: Transportable gas cylinders - Seamless, hoop-wrapped composite cylinders
  Entity: CEN CENELEC
  Subject: Pressure vessels, gas cylinders

• Norma Técnica EN 12258-1

  Title: Aluminium and aluminium alloys - Terms and definitions - Part 1: General terms
  Entity: CEN CENELEC
  Subject: Metallurgy (Vocabularies)

• Norma Técnica EN 12258-2

  Title: Aluminium and aluminium alloys - Terms and definitions - Part 2: Chemical analysis
  Entity: CEN CENELEC
  Subject: Metallurgy (Vocabularies)

• Norma Técnica EN 12258-3

  Title: Aluminium and aluminium alloys - Terms and definitions - Part 3: Scrap
  Entity: CEN CENELEC
  Subject: Environment and health protection. Safety (Vocabularies)

• Norma Técnica EN 12258-4

  Title: Aluminium and aluminium alloys - Terms and definitions - Part 4: Residues of the aluminium industry
  Entity: CEN CENELEC
  Subject: Environment and health protection. Safety (Vocabularies)

• Norma Técnica EN 12259-1

  Title: Fixed firefighting systems - Components for sprinkler and water spray systems - Part 1: Sprinklers
  Entity: CEN CENELEC
  Subject: Fire protection

• Norma Técnica EN 12259-14

  Title: Fixed firefighting systems - Components for sprinkler and water spray systems - Part 14: Sprinklers for residential applications
  Entity: CEN CENELEC
  Subject: Fire protection

• Norma Técnica EN 12259-2

  Title: Fixed firefighting systems - Components for sprinkler and water spray systems - Part 2: Wet alarm valve assemblies
  Entity: CEN CENELEC
  Subject: Fire protection

• Norma Técnica EN 12259-3

  Title: Fixed firefighting systems - Components for sprinkler and water spray systems - Part 3: Dry alarm valve assemblies
  Entity: CEN CENELEC
  Subject: Fire protection

• Norma Técnica EN 12259-4

  Title: Fixed firefighting systems - Components for sprinkler and water spray systems - Part 4: Water motor alarms
  Entity: CEN CENELEC
  Subject: Fire protection

• Norma Técnica EN 12259-5

  Title: Fixed firefighting systems - Components for sprinkler and water spray systems - Part 5: Water flow detectors
  Entity: CEN CENELEC
  Subject: Fire protection

• Norma Técnica EN 12259-9

  Title: Fixed firefighting systems - Components for sprinkler and water spray systems - Part 9: Deluge alarm valves
  Entity: CEN CENELEC
  Subject: Fire protection

• Norma Técnica EN 1226

  Title: Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Test method to prove the resistance to initial ring deflection
  Entity: CEN CENELEC
  Subject: Plastic pipes

• Norma Técnica EN 12260

  Title: Water quality - Determination of nitrogen - Determination of bound nitrogen (TN), following oxidation to nitrogen oxides
  Entity: CEN CENELEC
  Subject: Examination of water for chemical substances

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