Normy

Obsah

ČSN EN ISO 7435 This document specifies the characteristics of slotted set screws with long dog point for regular standard lengths and with short dog point for short standard lengths, in steel and stainless steel, with metric coarse pitch threads M1,6 to M12 and with product grade A. If in certain cases other specifications are requested, hardness classes and stainless steel grades can be selected from ISO 898-5 or ISO 3506-3, and dimensional options from ISO 888, ISO 965-1 or ISO 4753.

Obsah

ČSN EN ISO 7434 This document specifies the characteristics of slotted set screws with cone point, in steel and stainless steel, with metric coarse pitch threads M1,2 to M12, and with product grade A. If in certain cases other specifications are requested, hardness classes and stainless steel grades can be selected from ISO 898-5 or ISO 3506-3, and dimensional options from ISO 888, ISO 965-1 or ISO 4753.

Obsah

ČSN EN 18007-3 This document specifies the requirements for the qualification of welding operators and also weld setters for electromagnetic pulse welding. This document does not apply to personnel exclusively performing loading or unloading of the automatic welding unit. This document is applicable when qualification testing of welding operators and weld setters is required by the contract or by the application standard.

Obsah

ČSN EN 17970 This document is applicable to diffusion-tight pipes, accessories and fittings in ductile cast iron to EN 598 and to cast iron pipe systems. The document gives requirements on the contact pressure based on a risk assessment and gives a test method that simulates the penetration of a root tip into the sealing gap.

Obsah

ČSN EN 12077-2 This document specifies general requirements for limiting and indicating devices used in cranes. These devices restrict operation or provide operational information for the operator or other persons. Specific requirements for particular types of cranes are given in the appropriate European Standard for the particular crane type. This document does not cover erection, dismantling, or changing the configuration of a crane. The hazards covered by this document are identified in Annex A. This document is not applicable to cranes manufactured before the date of its publication.

Obsah

ČSN ISO 13539 Tato mezinárodní norma stanovuje termíny a upřesňuje obsah obchodní specifikace pro samojízdné rýhovací stroje a jejich pracovní zařízení, jak jsou definovány v kapitole 3.

Obsah

ČSN EN 13814-3+A1 This part of EN 13814 defines requirements for the necessary independent inspections of amusement devices designed, manufactured, operated and used according to EN 13814 1:2019 and EN 13814 2:2019.

Obsah

ČSN EN 17963 This document gives guidelines for safe fuelling operations of vehicles that use liquefied natural gas (LNG) as a fuel for propulsion, covering the activities and procedures to be followed for safe operation. It provides procedures applicable to different fuelling systems and technologies. NOTE - Regarding the responsibility surrounding the training of drivers of LNG vehicles, see the framework of Directive 89/391 EEC.

Obsah

ČSN EN IEC 63281-3-1 Tato norma stanovuje zkušební metodu pro celkovou dobu provozu elektrické koloběžky pro přepravu jedné osoby s ohledem na teplotní podmínky skutečného používání, kdy je elektrická koloběžka provozována uživatelem při různých teplotách pro použití na silnici nebo na veřejných prostranstvích.

Obsah

ČSN EN 4631 This document specifies the requirements relating to: Steel X4CrNiMo16-5-1 (1.4418) Air melted Hardened and tempered Bars De

Obsah

ČSN EN 2821 This document specifies the requirements relating to: Steel X5CrNiCu15-5 (1.4545) Consumable electrode remelted Solution treated and precipitation treated Bars for machining a or D = 1 310 MPa for aerospace applications.

Obsah

ČSN EN 4630 This document specifies the requirements relating to: Steel X4CrNiMo16-5-1 (1.4418) Air melted Hardened and tempered Forgings De