CEN CENELEC - Page 1074/1255

• Norma Técnica EN ISO 21853

  Title: Kite boarding - Release system - Safety requirements and test methods (ISO 21853:2020)
  Entity: CEN CENELEC
  Subject: Outdoor and water sports equipment

• Norma Técnica EN ISO 21856

  Title: Assistive products - General requirements and test methods (ISO 21856:2022)
  Entity: CEN CENELEC
  Subject: Aids for disabled or handicapped persons in general

• Norma Técnica EN ISO 21857

  Title: Petroleum, petrochemical and natural gas industries - Prevention of corrosion on pipeline systems influenced by stray currents (ISO 21857:2021)
  Entity: CEN CENELEC
  Subject: Petroleum, petroleum products and natural gas handling equipment

• Norma Técnica EN ISO 21871

  Title: Microbiology of food and animal feeding stuffs - Horizontal method for the determination of low numbers of presumptive Bacillus cereus - Most probable number technique and detection method (ISO 21871:2006)
  Entity: CEN CENELEC
  Subject: Food microbiology

• Norma Técnica EN ISO 21872-1

  Title: Microbiology of food and animal feeding stuffs - Horizontal method for the detection of potentially enteropathogenic Vibrio spp. - Part 1: Detection of Vibrio parahaemolyticus and Vibrio cholerae (ISO 21872-1:2017)
  Entity: CEN CENELEC
  Subject: Food microbiology

• Norma Técnica EN ISO 21877

  Title: Stationary source emissions - Determination of the mass concentration of ammonia - Manual method (ISO 21877:2019)
  Entity: CEN CENELEC
  Subject: Stationary source emissions

• Norma Técnica EN ISO 21898

  Title: Packaging - Flexible intermediate bulk containers (FIBCs) for non-dangerous goods (ISO 21898:2004)
  Entity: CEN CENELEC
  Subject: Other standards related to freight distribution of goods

• Norma Técnica EN ISO 21904-1

  Title: Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 1: General requirements (ISO 21904-1:2020)
  Entity: CEN CENELEC
  Subject: Occupational safety. Industrial hygiene

• Norma Técnica EN ISO 21904-2

  Title: Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 2: Requirements for testing and marking of separation efficiency (ISO 21904-2:2020)
  Entity: CEN CENELEC
  Subject: Occupational safety. Industrial hygiene

• Norma Técnica EN ISO 21904-3

  Title: Health and safety in welding and allied processes - Requirements, testing and marking of equipment for air filtration - Part 3: Determination of the capture efficiency of on-torch welding fume extraction devices (ISO 21904-3:2018)
  Entity: CEN CENELEC
  Subject: Occupational safety. Industrial hygiene

• Norma Técnica EN ISO 21904-4

  Title: Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 4: Determination of the minimum air volume flow rate of capture devices (ISO 21904-4:2020)
  Entity: CEN CENELEC
  Subject: Occupational safety. Industrial hygiene

• Norma Técnica EN ISO 21912

  Title: Solid recovered fuels - Safe handling and storage of solid recovered fuels (ISO 21912:2021)
  Entity: CEN CENELEC
  Subject: Solid fuels

• Norma Técnica EN ISO 21920-1

  Title: Geometrical product specifications (GPS) - Surface texture: Profile - Part 1: Indication of surface texture (ISO 21920-1:2021)
  Entity: CEN CENELEC
  Subject:

• Norma Técnica EN ISO 21920-2

  Title: Geometrical product specifications (GPS) - Surface texture: Profile - Part 2: Terms, definitions and surface texture parameters (ISO 21920-2:2021)
  Entity: CEN CENELEC
  Subject: Metrology and measurement. Physical phenomena (Vocabularies)

• Norma Técnica EN ISO 21920-3

  Title: Geometrical product specifications (GPS) - Surface texture: Profile - Part 3: Specification operators (ISO 21920-3:2021)
  Entity: CEN CENELEC
  Subject:

• Norma Técnica EN ISO 21922

  Title: Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO 21922:2021)
  Entity: CEN CENELEC
  Subject: Heat pumps

• Norma Técnica EN ISO 21945

  Title: Solid biofuels - Simplified sampling method for small scale applications (ISO 21945:2020)
  Entity: CEN CENELEC
  Subject: Biological sources and alternative sources of energy

• Norma Técnica EN ISO 21952

  Title: Welding consumables - Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steels - Classification (ISO 21952:2012)
  Entity: CEN CENELEC
  Subject: Welding consumables

• Norma Técnica EN ISO 21968

  Title: Non-magnetic metallic coatings on metallic and non-metallic basis materials - Measurement of coating thickness - Phase-sensitive eddy-current method (ISO 21968:2019)
  Entity: CEN CENELEC
  Subject: Metallic coatings

• Norma Técnica EN ISO 21969

  Title: High-pressure flexible connections for use with medical gas systems (ISO 21969:2009)
  Entity: CEN CENELEC
  Subject: Anaesthetic, respiratory and reanimation equipment

• Norma Técnica EN ISO 21970-1

  Title: Plastics - Polyketone (PK) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 21970-1:2019)
  Entity: CEN CENELEC
  Subject: Thermoplastic materials

• Norma Técnica EN ISO 21970-2

  Title: Plastics - Polyketone (PK) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 21970-2:2019)
  Entity: CEN CENELEC
  Subject: Thermoplastic materials

• Norma Técnica EN ISO 21976

  Title: Packaging - Tamper verification features for medicinal product packaging (ISO 21976:2018)
  Entity: CEN CENELEC
  Subject: Other standards related to pharmaceutics

• Norma Técnica EN ISO 21987

  Title: Ophthalmic optics - Mounted spectacle lenses (ISO 21987:2017)
  Entity: CEN CENELEC
  Subject: Ophthalmic equipment

• Norma Técnica EN ISO 22000

  Title: Food safety management systems - Requirements for any organization in the food chain (ISO 22000:2018)
  Entity: CEN CENELEC
  Subject: Processes in the food industry

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