Normy

Obsah

ČSN EN ISO 13704 This document specifies the requirements for the procedures and design criteria used for calculating the required wall thickness of new tubes and associated component fittings for petroleum, petrochemical and natural gas industries. These procedures are appropriate for designing tubes for service in both corrosive and non-corrosive applications. These procedures have been developed specifically for the design of refinery and related process-fired heater tubes (direct-fired, heat-absorbing tubes within enclosures). These procedures are not intended to be used for the design of external piping. This document does not give recommendations for tube retirement thickness. A technique for estimating the life remaining for a heater tube is described This document is a supplement to API 530, 7th edition (2015) including addendum 1 and addendum 2, the requirements of which are applicable with the exceptions specified in this document.

Obsah

ČSN EN ISO 187 This document specifies the standard atmospheres for conditioning and testing pulp, paper and board, the conditioning procedure and the procedures for measuring the temperature and relative humidity.

Obsah

ČSN EN ISO 11403-2 Tento dokument specifikuje zkušební postupy pro stanovení a prezentaci vícebodových hodnot následujících tepelných a zpracovatelských vlastností plastů: - křivky závislosti entalpie na teplotě; - křivky závislosti délkové roztažnosti na teplotě; - smykové viskozity taveniny.

Obsah

ČSN EN 15354 This document specifies the characterization and the designation of extruded and/or calendered, non-reinforced film or sheeting made of plasticized poly(vinyl chloride) (PVC-P). It specifies the corresponding test methods for the assessment of the characteristics. This document is applicable to film and sheeting in the range of thickness from 0,05 mm to 1 mm.

Obsah

ČSN EN 12177 This document specifies a column switching gas chromatographic method for the quantitative determination of benzene content in the range 0,05 % (V/V) to 6 % (V/V) in unleaded petrol having a final boiling point not greater than 220 °C. The method described in this document is suitable for determining benzene in petrol, including petrol containing oxygenates up to E10 (up to 3,7 % (m/m) oxygen content), in line with the relevant EC Directives.

Obsah

ČSN EN 16091 This document specifies a method for the determination of the oxidation stability of middle distillate fuels, fatty acid methyl ester (FAME) fuel and blends thereof, under accelerated conditions, by measuring the induction period to the specified breakpoint in a reaction vessel charged with the sample and oxygen at 140 °C.

Obsah

ČSN EN 927-2 This document addresses performance criteria for coating systems on exterior wood. Performance requirements are specified according to three categories of end use (defined in EN 927-1) in terms of two mandatory tests, namely natural weathering performance testing carried out in accordance with EN 927-3, and water permeability in accordance with EN 927-5. Additional optional tests (non-mandatory) are tabled which can be used by suppliers, or for specification purposes, to provide additional information, to a standardized format, on aspects of performance relevant to specific situations. The majority of test methods are drawn from EN 927 (all parts), but where relevant additional tests from other national and international sources are used. Requirements for claiming conformity with this document are specified and provide flexibility for different situations and can also provide a basis for certification.

Obsah

ČSN EN 13300 This document specifies a general system for the classification of paints and varnishes, for interior walls and ceilings, for the decoration of new and old, coated and uncoated surfaces.

Obsah

ČSN EN ISO 29466 This document specifies the equipment and procedures for determining the thickness of full size products. It is applicable to thermal insulating products. This document provides the reference method. Other methods can be used (e.g. for quality control), provided a correlation has been established with this reference method; Annex B gives some examples of such methods.

Obsah

ČSN EN ISO 29766 This document specifies the equipment and procedures for determining the tensile strength of a product parallel to its faces. It is applicable to thermal insulating products. This document can be used to determine whether the product has sufficient strength to withstand stresses during transportation and application.

Obsah

ČSN EN 17686 This document specifies the test method to determine the resistance to wind load of the roof build-up system with the waterproofing system bonded to the substrate.

Obsah

ČSN 76 1702 Tato norma stanovuje požadavky na soukromé bezpečnostní služby v oblasti fyzické ostrahy, mezi které nejčastěji patří: ochrana majetku na veřejně přístupném místě, ochrana majetku na jiném než veřejně přístupném místě, zajištění bezpečnosti při akcích, činnost mobilních hlídek a činnost zásahové jednotky. Tuto normu mohou používat všechny soukromé organizace nebo jejich části poskytující bezpečnostní služby fyzické ostrahy bez ohledu na velikost organizace, a také zadavatelé zakázek a výběrových řízení. Tuto normu může používat jakýkoli zadavatel a/nebo soukromý poskytovatel fyzické ostrahy, který má zájem vytvořit, zavést, udržovat a zlepšovat poskytování fyzické ostrahy podle této normy, zajistit shodu s požadavky této normy, prokázat takovou shodu ostatním, usilovat o certifikaci poskytovaných služeb třetí stranou, deklarovat shodu poskytovaných služeb s touto normou a požádat o potvrzení tohoto prohlášení třetí stranou. K ověření shody poskytované služby s touto normou může být použito prvních, druhých i třetích stran (organizací).