Standards World

BS EN 489:2009 pdf free download - District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks一 Joint assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene. — able...

BS EN 438-8:2009 pdf free download - High-pressure decorative laminates (HPL)一Sheets based on thermosetting resins (Usually called I saminates) Part 8: Classification and specifications for design laminates. 5.2.4 Visual inspection 5.2.4.1 General The following inspection requirements are...

BS EN 448:2009 pdf free download - District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks一 Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene. 4.1.9.4 Inspection...

BS EN 437:2021 pdf free download - Test gases一Test pressures一Appliance categories. 6.1.2.3 Appliances designed for use on second family gases only Category 12H: appliance using only gases of group H of the second family at the prescribed...

BS EN 422:2009 pdf free download - Plastics and rubber machines Blow moulding machines Safety requirements. 4.2 Mechanical hazards related to power operated movements during production NOTE In subclauses 4.2 to 4.4, the sequence of hazards corresponds...

BS EN 525:2009 pdf free download - Non-domestic direct gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW. c) a change, if necessary, of the automatic shut-off valve(s); d)...

BS EN 419-1:2009 pdf free download - Non-domestic gas-fired overhead luminous radiant heaters Part 1: Safety. 5.3 Ignition devices 5.3.1 General 5.3.1.1 Appliances with manually ignited ignition burners There shall be ready access for lighting the ignition...

BS EN 415-9:2009 pdf free download - Safety of packaging machines Part 9: Noise measurement methods for packaging machines, packaging lines and associated equipment, grade of accuracy 2 and 3. 4) Whenever the previous methods cannot be...

BS EN 352-1:2020 pdf free download - Hearing protectors一General requirements Part 1: Earmuffs. 4.2 Materials and construction 4.2.1 Materials 4.2.1.1 Those parts of the earmuffs that come into contact with the skin shall be non-staining, soft and...

BS EN 208:2009 pdf free download - Personal eye- protection一Eye- protectors for adjustment work on lasers and laser systems (laser adjustment eye- protectors). 4.6 Quality of material and surface of filters 4.6.1 Material and surface defects The...