Normy

Obsah

ČSN EN ISO 21180 This document specifies a test method for the determination of the maximum tensile strength of light conveyor belts, according to ISO 21183-1, or of other conveyor belts where ISO 283 is not applicable.

Obsah

ČSN EN 15273-3 This document: - lists the formulae and the associated rules needed to calculate the infrastructure gauge; - lists the various phenomena to be taken into account to determine the infrastructure gauge; - defines a methodology that may be used to calculate the various profiles from these phenomena; - lists the rules to determine the distance between the track centres; - lists the rules to be complied with when building the platforms; - lists the rules to determine the pantograph gauge; - provides recommendations for the various profiles needed to install, verify and maintain infrastructure; and is applicable for various track gauges. This document is applicable to heavy rail networks using various track gauges. Other vehicles and networks are outside the scope of this document, but the rules may be applied to them with some adjustments and agreement of the share of responsibility between rolling stock and inf.

Obsah

ČSN EN 3381 This document specifies the characteristics of screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in titanium alloy, anodized, MoS2 lubricated. Classification: 1 100 MPa/315 °C.

Obsah

ČSN EN 4855-03 This document specifies a test procedure to identify performance characteristics and a weight rating of a galley chilling equipment used on aircraft. Furthermore, it specifies the calculation procedure to determine an energy consumption index and a performance index. The effect of the chilling equipment on food quality is not addressed in this document.

Obsah

ČSN EN 4855-04 This document specifies a test procedure to identify performance characteristics and a weight rating of beverage maker products used on aircraft. Furthermore, it specifies the calculation procedure to determine an energy consumption index and a performance index. The effect of the beverage makers on beverage quality is not addressed in this document.

Obsah

ČSN EN 4855-06 This document specifies a test procedure to identify performance characteristics and a weight rating for espresso makers used on a commercial aircraft. Furthermore, it specifies the calculation procedure to determine an energy consumption index and a performance index. The effect of the espresso makers on espresso quality is not addressed in this document. This document specifies a test procedure to identify performance characteristics and a weight rating for espresso makers used on a commercial aircraft. Furthermore, it specifies the calculation procedure to determine an energy consumption index and a performance index. The effect of the espresso makers on espresso quality is not addressed in this document.

Obsah

ČSN EN 4855-05 This document specifies a test procedure to identify performance characteristics and trash volume capacity rating of trash compactors used on a commercial aircraft. Furthermore, it specifies the calculation procedure to determine an energy consumption index and a performance index.

Obsah

ČSN EN 14144 This document applies to lifebuoys used on watercraft in sea and inland navigation, on floating bodies, floating equipment, marine equipment and shore equipment in the vicinity of bodies of water. The document specifies the main dimensions, design, safety requirements and testing of lifebuoys.

Obsah

ČSN EN IEC 63522-1 This part of IEC 63522 is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of specimens to perform under expected conditions of transportation, storage, and all aspects of operational use. The object of this test is to define a standard test method for the visual inspection and check of dimensions.

Obsah

ČSN EN IEC 63522-10 This part of IEC 63522 is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of DUTs to perform under expected conditions of transportation, storage and all aspects of operational use. This document defines a standard test method for heating.

Obsah

ČSN EN ISO 3953 This document specifies a method for the determination of tap density, i.e. the density of a powder that has been tapped into a container under specified conditions.