开通会员限时优惠

登录 | 注册

全部分类

国际标准

类型:

ASME B31.4-2006 Pipeline Transportation Systems for LiquidHydrocarbons and Other Liquids

ASME B31.4-2006 Pipeline Transportation Systems for LiquidHydrocarbons and Other Liquids400GENERAL STATEMENTS(a)This Liquid Transportation Systems Code is oneof several sections of the ASME Code for Pressure Pip-ing, B31.This Section is published as ...

2022-10-21 57 110.34MB 126页
ASME B31.4-2012 Pipeline Transportation Systems for Liquidsand Slurries

ASME B31.4-2012 Pipeline Transportation Systems for Liquidsand Slurries400 GENERAL STATEMENTS(a)This pipeline transportation systems Code is oneof several sections of The American Society of Mechani-cal Engineers Code for Pressure Piping,ASME B31, an...

2022-10-21 65 31.58MB 144页
ASME B31.8-2016 GAS TRANSMISSION AND DISTRIBUTION PIPING SYSTEMS

ASME B31.8-2016 GAS TRANSMISSION AND DISTRIBUTION PIPING SYSTEMS801 GENERAL801.1 Approved Standards and SpecificationsStandards and specifications approved for use underthis Code and the names and addresses of the sponsor-ing organizations are shown ...

2022-10-21 387 24.33MB 107页
ASME B36.10M-1996 WELDED AND SEAMLESs WROUGHT STEEL PIPE

ASME B36.10M-1996 WELDED AND SEAMLESs WROUGHT STEEL PIPE1 scoPETeisSlarlne!oovers ehve siacrxlanrdicatseoa ol dowmwctsions of weldes and seamless wrough sec! pipe (orhigh or low temperatures and peessures.!he uor! pipi is wsed as isuinguishe&fron uub...

2022-10-21 274 5.41MB 29页
ASME Y14.5.2-2000 ENGINEERING DRAWING AND RELATED DOCUMENTATION PRACTICES CERTIFICATION OF GEOMETRIC DIMENSIONING AND TOLERANCING PROFESSIONALS

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...

2022-10-21 45 3.56MB 22页
ASME B16.34-2004 VALVES-FLANGED,THREADED,AND WELDING END

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...

2022-10-21 47 20.79MB 206页
IEC 34-15:1995 ROTATING ELECTRICAL MACHINES-Part 15:Impulse voltage withstand levels of rotating a.c.machines with form-wound stator coils

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....

2022-10-21 60 3.66MB 22页
IEC 79-16:1990 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES Part 16:Artificial ventilation for the protection of analyzer(s)houses

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 ...

2022-10-21 75 10.22MB 63页
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

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...

2022-10-21 196 17.22MB 154页
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

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 ...

2022-10-21 69 6.83MB 40页
IEC 60364-1:2005 Low-vOLTAGE ELECTRICAL INSTALLATIONS-Part 1:Fundamental principles,assessment of general characteristics,definitions

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 ...

2022-10-21 115 10.17MB 102页
IEC 60417-1:2000 GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT-Part 1:overview and application

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...

2022-10-21 238 28.4MB 188页
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)

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...

2022-10-21 183 19.8MB 166页
IEC 529:1989 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES(Code)

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...

2022-10-21 264 13.2MB 80页
IEC 60617-2:1996 Graphical symbols for diagrams-Part 2:Symbol elements,qualifying symbols and other symbols having general application

IEC 617-2:1996 Graphical symbols for diagrams -Part 2:Symbol elements, qualifying symbols and other symbols having general applicationThe scope and the normative references for this series are given in lEC 617-1.Symbols have been designed in accordan...

2022-10-21 97 7.49MB 44页
IEC 60947-7-4:2013 Low-vOLTAGE sWITCHGEAR AND CONTROLGEAR-Part 7-4:Ancillary equipment-PCB terminal blocks for copper conductors

IEC 60947-7-4:2013 Low-vOLTAGE sWITCHGEAR AND CONTROLGEAR-Part 7-4: Ancillary equipment-PCB terminal blocks for copper conductors1 General1.1ScopeThis part of lEC 60947 specifies requirements for PCB terminal blocks primarily intended forindustrial o...

2022-10-21 57 7.36MB 64页
IEC 60950-22:2016 INFORMATION TECHNOLOGY EQUIPMENT-SAFETY-Part 22:Equipment to be installed outdoors

lEC 60950-22:2016 INFORMATION TECHNOLOGY EQUIPMENT -SAFETY-Part 22: Equipment to be installed outdoorsScope1.1Equipment coveredThis part of lEC 60950 applies to information technology equipment intended to be installed inan oUTDOOR LOCATION.The requi...

2022-10-21 136 27.88MB 66页
IEC 61000-4-29:2000 ELECTROMAGNETIC COMPATIBILITY(EMC)-Part 4-29:Testing and measurement techniques-Voltage dips,short interruptions and voltage variations on d.c.input power port immunity tests

IEC 61000-4-29:2000 ELECTROMAGNETIC COMPATIBILITY (EMC)-Part 4-29: Testing and measurement techniques -Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests1 Scope and objectThis part of lEC 61000 defines te...

2022-10-21 65 4.57MB 45页
IEC 61131-1:2003(E)PROGRAMMABLE CONTROLLERS-Part 1:General information

IEC 61131-1:2003(E) PROGRAMMABLE CONTROLLERS -Part 1: General information1ScopeThis Part of lEC 61131 applies to programmable controllers(PLC) and their associated peri-pherals such as programming and debugging tools (PADTs)， human-machine interfaces...

2022-10-21 99 2.29MB 25页
IEC 61439-2:2009 Low-vOLTAGE swITCHGEAR ANDcONTROLGEAR ASSEMBLIES-Part 2:Power switchgear and controlgear assemblies

IEC 61439-2:2009 Low-vOLTAGE swITCHGEAR ANDcONTROLGEAR ASSEMBLIES -Part 2: Power switchgear and controlgear assemblies1 ScopeThis clause of Part 1 is applicable except as follows.Addition:This standard defines the specific requirements of power switc...

2022-10-21 171 4.84MB 48页

...

105

...

确认删除?