全部分类

国际标准

(10w+ 篇文档)

5金币 ASME Y14.5.2-2000 ENGINEERING DRAWING AND RELATED DOCUMENTATION PRACTICES CERTIFICATION OF GEOMETRIC DIMENSIONING AND TOLERANCING PROFESSIONALS.PDF

ASME Y14.5.2-2000 ENGINEERING DRAWING AND RELATED DOCUMENTATION PRACTICES CERTIFICATION OF GEOMETRIC DIMENSIONING AND TOLERANCING PROFESSIONALS1.1 sCOPEThis Standard establishes certification requirementsfor a Geometric Dimensioning and Tolerancing P...

内容提供方：外唐用户 | 2022-10-21 发布 | 3.56MB | 22 页
15金币 ASME B16.34-2004 VALVES-FLANGED,THREADED,AND WELDING END.PDF

ASME B16.34-2004 VALVES -FLANGED,THREADED,AND WELDING END1 sCOPE1.1 GeneralThis Standard applies to new construction and coverspressure-temperature ratings, dimensions, tolerances,materials, nondestructive examination requirements,testing, and markin...

内容提供方：外唐用户 | 2022-10-21 发布 | 20.79MB | 206 页
5金币 IEC 34-15:1995 ROTATING ELECTRICAL MACHINES-Part 15:Impulse voltage withstand levels of rotating a.c.machines with form-wound stator coils.PDF

IEC 34-15:1995 ROTATING ELECTRICAL MACHINES -Part 15: Impulse voltage withstand levels of rotating a.c. machines with form-wound stator coils1scopeThis part of lEC 34 specifies the rated phase-to-earth impulse voltage withstand levelsof rotating a.c....

内容提供方：外唐用户 | 2022-10-21 发布 | 3.66MB | 22 页
8金币 IEC 79-16:1990 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES Part 16:Artificial ventilation for the protection of analyzer(s)houses.PDF

IEC 79-16:1990 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES Part 16: Artificial ventilation for the protection of analyzer(s) houses1. Scope1.1 Thisreportprovidesthe general principles ofprotection,byartificial ventilation,ofanalyzer(s) houses ...

内容提供方：外唐用户 | 2022-10-21 发布 | 10.22MB | 63 页
15金币 IEC 60309-2:2021 PLUGS,FIXED OR PORTABLE SOCKET-OUTLETS ANDAPPLIANCE INLETS FOR INDUSTRIAL PURPOSES-Part 2:Dimensional compatibility requirements for pin and contact-tube accessories.PDF

IEC 60309-2:2021 PLUGS,FIXED OR PORTABLE SOCKET-OUTLETS ANDAPPLIANCE INLETS FOR INDUSTRIAL PURPOSES-Part 2: Dimensional compatibility requirements for pin and contact-tube accessories1 scopeThis document applies to plugs，fixed or portable socket-outl...

内容提供方：外唐用户 | 2022-10-21 发布 | 17.22MB | 154 页
5金币 IEC 60320-2-3:2018 APPLIANCE cOUPLERS FOR HoUSEHOLD AND SIMILAR GENERAL PURPOSES-Part 2-3:Appliance couplers with a degree of protection higher than lPXO.PDF

IEC 60320-2-3:2018 APPLIANCE cOUPLERS FOR HoUSEHOLD AND SIMILAR GENERAL PURPOSES -Part 2-3: Appliance couplers with a degree of protection higher than lPXO1 SCOPEThis clause of lEC 60320-1 applies with the following addition:This document applies to ...

内容提供方：外唐用户 | 2022-10-21 发布 | 6.83MB | 40 页
10金币 IEC 60364-1:2005 Low-vOLTAGE ELECTRICAL INSTALLATIONS-Part 1:Fundamental principles,assessment of general characteristics,definitions.PDF

IEC 60364-1:2005 Low-vOLTAGE ELECTRICAL INSTALLATIONS -Part 1: Fundamental principles, assessment of general characteristics, definitions11 scope 1IEC 60364-1 gives the rules for the design, erection, and verification of electrical installations.The ...

内容提供方：外唐用户 | 2022-10-21 发布 | 10.17MB | 102 页
15金币 IEC 60417-1:2000 GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT-Part 1:overview and application.PDF

IEC 60417-1:2000 GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT-Part 1: overview and application1 scopeThis part of lEC 60417 contains graphical symbols and their meaning (title and application).The graphical symbols in the standard are primarily intended.to...

内容提供方：外唐用户 | 2022-10-21 发布 | 28.4MB | 188 页
15金币 IEC 60502-2:2005 PoWER CABLES wITH EXTRUDED INSULATIONAND THEIR ACCESSORIES FOR RATED VOLTAGESFROM 1 kV(Um=1,2 kV)UP TO 30 kV(um=36 kV)-Part 2:Cables for rated voltages from 6 kV(Um=7,2 kV)up to 30 kV(Um=36 kV).PDF

IEC 60502-2:2005 PoWER CABLES wITH EXTRUDED INSULATIONAND THEIR ACCESSORIES FOR RATED VOLTAGESFROM 1 kV (Um=1,2 kV) UP TO 30 kV (um= 36 kV) -Part 2: Cables for rated voltages from 6 kV(Um = 7,2 kV) up to 30 kV (Um = 36 kV)1 ScopeThis part of lEC 6050...

内容提供方：外唐用户 | 2022-10-21 发布 | 19.8MB | 166 页
8金币 IEC 529:1989 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES(Code).PDF

IEC 529:1989 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (Code)INTRODUCTIONThis standard describes a system for classifying the degrees of protection provided by theenclosures of electrical equipment. Whilst this system is suitable for use with most...

内容提供方：外唐用户 | 2022-10-21 发布 | 13.2MB | 80 页