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GOST 2.721-74

ГОСТ 2.721-74

Unified system for design documentation. Graphical designations in schemes. Graphical symbols of general use

Единая система конструкторской документации. Обозначения условные графические в схемах. Обозначения общего применения

Status: Valid - Supersedes

The standard establishes conventional graphic symbols for general use on diagrams, performed manually or in an automated way, of products of all industries and construction.

Стандарт устанавливает условные графические обозначения общего применения на схемах, выполняемых вручную или автоматизированным способом, изделий всех отраслей промышленности и строительства.

Choose Language: 
Format: Electronic (pdf/doc)

Approved: USSR State Committee for Standards, 3/18/1974

SKU: RUSS20473

Price: $268.00



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The Product is Contained in the Following Classifiers:

Construction (Max) » Standards » Other state standards used in construction » 01 General. Terminology. Standardization. Documentation »

PromExpert » SECTION I. TECHNICAL REGULATION » III Quality » 2 Product quality assurance » 2.1 Ensuring product quality at stage of technical preparation of production » 2.1.1 Design preparation of production »

ISO classifier » 01 GENERAL PROVISIONS. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION » 01.080 Graphic notation » 01.080.40 Graphic symbols for technical drawings, diagrams, diagrams and related technical documentation infield of electrical engineering and electronics »

National standards » 01 GENERAL PROVISIONS. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION » 01.080 Graphic notation » 01.080.40 Graphic symbols for technical drawings, diagrams, diagrams and related technical documentation infield of electrical engineering and electronics »

National Standards for KGS (State Standards Classification) » Latest edition » T General technical and organizational and methodological standards » T5 Documentation System » T52 Design Documentation System »

National Standards for OKSTU » SYSTEMS OF GENERAL TECHNICAL AND ORGANIZATIONAL-METHODOLOGICAL STANDARDS » Unified system for design documentation (ESKD) »


As a Replacement Of:

GOST 2.721-68: Unified system for design documentation. Graphical designations in schemes. Graphical symbols of general use

GOST 2.750-68: Unified system for design documentation. Conventional graphical notations in schemes. Type of current and voltage; types of connection of windings; pulse shapes

GOST 2.751-73: Unified system for design documentation. Conventional graphical notations in schemes. Electrical connections, wires, cables and buses

GOST 2.783-69: Unified system for design documentation. Conventional graphical notations in schemes. Drive elements and general purpose controls

The Document References:

GOST 2.702-75: Unified system for design documentation. Rules for presentation of electric layouts

GOST 2.721-68: Unified system for design documentation. Graphical designations in schemes. Graphical symbols of general use

GOST 2.750-68: Unified system for design documentation. Conventional graphical notations in schemes. Type of current and voltage; types of connection of windings; pulse shapes

GOST 2.751-73: Unified system for design documentation. Conventional graphical notations in schemes. Electrical connections, wires, cables and buses

GOST 2.770-68: Unified system for design documentation. Graphic designations in diagrams. Cinematic elements

GOST 2.783-69: Unified system for design documentation. Conventional graphical notations in schemes. Drive elements and general purpose controls

The Document is Referenced By:

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GOST 12.2.139-97: Agricultural machinery. Maintenance-production equipment. General safety requirements

GOST 12405-81: Electric-hydraulic controllers for hydraulic turbines

GOST 1367.0-83: Antimony. General requirements for methods of analysis

GOST 16772-77: Converter transformers and reactors. General specifications

GOST 17411-72: Hydraulic gears. General technical requirements

GOST 2.004-88: Unified system for design documentation. General requirements for performing design and technological documentation on printing and graphical output devices of computers

GOST 2.414-75: Unified system for design documentation. Rules for making drawings of braids, cables and wires

GOST 2.702-2011: Unified system for design documentation. Rules for presentation of electric schemes.

GOST 2.702-75: Unified system for design documentation. Rules for presentation of electric layouts

GOST 2.706-71: Unified system for design documentation. Rules for drawing of schemes of gas chromatographs

GOST 2.708-81: Unified system for design documentation. Rules for preparation of electric diagrams in digital computing technique

GOST 2.709-89: Unified system of design documentation. Conventions of wires and terminal connections of electrical elements, equipment and circuits sections in circuit diagrams

GOST 2.722-68: Unified system for design documentation. Graphic identifications in schemes. Electric machinery

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GOST 2.728-74: Unified system for design documentation. Graphical symbols in diagrams. Resistors, capacitors

GOST 2.729-68: Unified system for design documentation. Graphic identifications in schemes. Electro measuring apparatus

GOST 2.730-73: Unified system for design documentation. Graphical symbols in diagrams. Semiconductor devices

GOST 2.733-68: Unified system for designed documentation. Graphical symbols of radiation detectors in circuits

GOST 2.734-68: Unified system for designed documentation. Graphic identifications in schemes. Lines of microwave technology and their elements

GOST 2.735-68: Unified system for design documentation. Graphical symbols in diagrams. Aerials and radio sets

GOST 2.736-68: Unified system of design documentation. Graphical symbols in diagrams. Piezoelectric and magnetostriction elements; delay lines

GOST 2.737-68: Unified system of design documentation. Graphical symbols in diagrams. Communication devices

GOST 2.740-89: Unified system of design documentation. Graphical conventions in diagrams. Apparatus and telegraph repeaters

GOST 2.741-68: Unified system of design documentation. Graphical symbols in diagrams. Acoustic devices

GOST 2.745-68: Unified system for design documentation. Graphic identifications in schemes. Electro terminal electric heaters, installation and devices

GOST 2.752-71: Unified system for design documentation. Graphic designations in diagrams. Telemechanic devices

GOST 2.755-87: Unified system for design documentation. Graphic designations in electric diagrams. Communication devices and contact connections

GOST 2.759-82: Unified system for design documentation. Graphic designations in diagrams. Elements of analogue technique

GOST 2.761-84: Unified system for design documentation. Graphic designations in diagrams. Optical fibre data transmission systems components

GOST 2.767-89: Unified system for design documentation. Graphic identifications in electrical schemes. Protective relays

GOST 2.770-68: Unified system for design documentation. Graphic designations in diagrams. Cinematic elements

GOST 2.781-96: Unified system for design documentation. Graphic designations. Hydraulic and pneumatic valves, control devices measuring instruments, indicators, switches

GOST 2.793-79: Unified system for design documentation. Graphic designations. Components and arrangements of machines and apparatus of chemical industry. General symbols

GOST 2.794-79: Unified system for design documentation. Graphic designations. Feeding and measuring devices

GOST 2.795-80: Unified system for design documentation. Graphic designations. Centrifuges

GOST 2.796-95: Unified system for design documentation. Graphic designations in schemes. Element of vacuum systems

GOST 2.797-2016: Unified system for design documentation. Rules for presentation of vacuum schemes

GOST 2.797-81: Unified system for design documentation. Rules for presentation of vacuum schemes

GOST 21.106-78: System of building design documents. Symbols of pipelines of sanitary technical systems

GOST 21.208-2013: System of design documents for construction. Industrial process automation. Instrumentation symbols for use in diagrams

GOST 21.209-2014: System of building design documents. Centralized power supply control. Graphical and letter designations of the type and contents of information

GOST 21.408-2013: System of design documents for construction. Rules of industrial process automation working documentation execution

GOST 21.605-82: System of design documents for construction. Heat supply systems (thermo mechanical part). Working drawings

GOST 21.610-85: System of building design documents. Gas supply. Outside gas pipe-lines. Working drawings

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GOST 21.613-2014: System of design documents for construction. Rules for execution of the working documentation of power electrical equipment

GOST 21339-82: Tachometers

GOST 22397-77: Zinc powder. Method of spectral analysis

GOST 22518.1-77: Lead of high purity. Chemical spectral method for the determination of additions

GOST 24.303-80: System of technical documentation for computer control systems. Conditional graphical symbols of hardware

GOST 25277-82: Filtering elements for volume hydraulic drives and lubricant systems

GOST 25363-82: Zinc concentrates. Atomic-absorption methods for the determination of gold and silver contents

GOST 26.205-88: Telemechanics complexes and devices

GOST 26116-84: Well-logging apparatus.

GOST 28608-90: Fixed resistors for use in electronic equipment. Part 1. General specification

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GOST 28904-91: Control systems of an electric filter

GOST 28971-91: Hydraulic fluid power. Servo valves. Test methods

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GOST 31830-2012: Electrostatic precipitators. Safety requirement and methods of testing

GOST 8339-84: Oil pressure installations for hydraulic turbines

GOST 8776-79: Cobalt. Methods of chemical-atomic-emission spectral analysis

GOST R 2.002-2019: Unified system of design documentation. Requirements for models, layouts and templates used in design

GOST R 50538-93: Miniature fuses. Cartridge fuse-links

GOST R 50539-93: Miniature fuses. Sub-miniature fuse-links

GOST R 50571.24-2000: Electrical installations of buildings. Part 5. Selection and erection of electrical equipment. Chapter 51. Common rules

GOST R 50911-96: Agricultural machinery. Maintenance-production equipment. General safety requirements

GOST R 51707-2001: Electrostatic precipitators. Safety requirement and methods of testing

GOST R 52543-2006: Hydraulic drives. Safety requirements

GOST R 52869-2007: Pneumatic drives. Safety requirements

GOST R 53481-2009: Lubrication systems. Safety requirements

GOST R 56303-2014: United power system and isolated power systems. Operative-dispatch management. Normal connection diagrams of electric power facilities. General requirements of graphical presentation

GOST R 58881-2020: Graphic designations in the diagrams of ship systems and power plant systems

I 1.16-10: Instructions on the composition and design of electrical engineering documentation (general requirements and recommendations)

M788-1073: Electrical Construction Documents. General Requirements and Guidelines on Composition and Format

OST 25.1241-86: Installation of automatic fire extinguishing, fire, security and fire alarm systems. Working drawings

OST 95 511-85: Rules of formatting the detailed drawings of technological pipelines (KTD)

PUE: Electrical Installation Rules (PUE). Chapter 1.1 General (Seventh Edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.2 Electricity supply and electrical networks (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.7 Grounding and Electrical Safety Precautions (Seven Edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.9 Insulation of electrical installations (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.6 Electric Welding Machines (Seven Edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.10. Electrolysis Plants and Plating Plants (Seventh Edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.8. Acceptance Test Standards (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 4.1. Switchgears up to 1 kV AC and up to 1.5 kV DC (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.1. General part (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.2. Electricity supply and electrical networks (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.3. Selection of conductors by heating, economic current density and by corona conditions (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.4. Selection of electrical devices and conductors for short circuit conditions (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.5. Electricity metering (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.6. Electrical Measurements (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.7. Grounding and Electrical Safety Precautions (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.1. Electrical Wiring (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.2. Busducts up to 35 kV (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.3. Cable lines with voltage up to 220 kV (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.4. Overhead power lines with voltage up to 1 kV (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.5. Overhead power lines with voltage above 1 kV (Beginning) (with Amendments and additions) (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 3.1. Protection of electrical networks with voltage up to 1 kV (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 3.2. Relay Protection (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 3.3. Automation and telemechanics (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 3.4. Secondary Circuits (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 4.2. Switchgears and substations with voltages above 1 kV (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 4.3. Converter substations and installations (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 4.4. Battery Units (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 5.1. Electrical machine rooms (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 5.2. Generators and Synchronous Compensators (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 5.3. Electric motors and their switching devices (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 5.4. Crane Electrical Equipment (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 5.5. Elevator Electrical Equipment (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 5.6. Condensing Units (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.1. General part (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.1. Electrical equipment of residential, public, administrative and domestic buildings (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.2. Interior lighting (seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.3. Outdoor lighting (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.4. Advertising Lighting (Seventh Edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.5. Lighting fixtures, installation devices (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.2. Electrical installations of entertainment enterprises, clubs and sports facilities (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.3. Electrical Installations in Hazardous Areas (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.4. Electrical Installations in Fire Hazardous Zones (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.5. Electrothermal Plants (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.6. Electric welding machines (sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.7. Peat electrical installations (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.5. Overhead power lines with voltages above 1 kV (End) (Sixth edition)

PUE: Electrical Installation Rules (PUE). Applications

PUE: Electrical Installation Rules (PUE). Chapter 6.6. Lighting devices and wiring devices (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.1. General part (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.2. Interior lighting (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.3. Outdoor Lighting (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.4. Advertising Lighting (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.5. Lighting fixtures, installation devices (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.1. Electrical Equipment for Residential and Public Buildings (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.2. Electrical equipment for entertainment enterprises, clubs and sports facilities (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.4. Overhead power lines with voltage up to 1 kV (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.5. Overhead power lines with voltage above 1 kV (Seventh edition) (with Amendment)

PUE: Electrical Installation Rules (PUE). Chapter 4.1. Switchgears up to 1 kV AC and up to 1.5 kV DC (Seventh Edition)

PUE: Electrical Installation Rules (PUE). Chapter 4.2. Switchgears and substations with voltages above 1 kV (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.8. Acceptance test standards (Seventh edition)

R 50-54-99-88: Recommendations for the implementation of textual, graphical and schematic design documentation for computer-aided design.

RD 16.560-90: Low - voltage complete Installations. Requirements to design documentation provided to the manufacturer.

RD 25.953-90: Automatic fire-extinguishing, fire, guarding and fire-alarm systems. Graphic designations of communication elements

RD 45.000.023-91: Rules for applying the provisions of state ESKD standards in the industry

RD 50-445-83: Guidelines. Computer aided design. Graphic and textual language

RD 92-0115-87: Position. Normative control of documentation

RM 4-106-91: Process automation systems. Electrical schematics. Requirements for implementation. Allowance for RTM 36.22.7-89

RM 4-231-90: Process automation system. Notation conventional graphic multi-position switching devices. Requirements for implementation. Guide to PM 4-106-82

RM 4-2-96: Computer-aided design system. Automated systems. Directions for application

RM 4-6-92: Process automation systems. Design of electrical and pipe wiring. Part 3. Guidelines for the implementation of the documentation. Allowance for RTM 36.22.7-92

RTM 26-79-72*: Application of standards of a unified system of design documentation (ESKD)

VSN 381-77: Instructions on the composition and execution of electrical engineering drawings for industrial construction

VSN 381-85: Electrical Construction Documents. General Requirements and Guidelines on Composition and Format

VSN 489-86: Scope and Format for Installation Drawings for Domestic Plumbing Systems

VSN 51-03-01-76: Instructions on the composition and design of technological working drawings of buildings and structures of the gas industry. Section 1. General Provisions

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