GOST 2.721-1974
Unified system for design documentation. Graphical designations in schemes. Graphical symbols of general use

Standard No.

GOST 2.721-1974

Release Date

1974

Published By

RU-GOST R

Status

Be replaced 1978-01

Replace By

GOST 21721-1976

Latest

GOST 28721-1990

Replace

GOST 2.721-1968 GOST 2.750-1968 GOST 2.751-1973 GOST 2.783-1969

Scope

This standard specifies graphical symbols for general use on manual or automated diagrams.

GOST 2.721-1974 Referenced Document

• GOST 2.702-1975 Unified system for design documentation. Rules for presentation of electric schemes*， 1975-04-19 Update
• GOST 2.770-1968 Unified system for design documentation. Graphic designations in diagrams. Cinematic elements

GOST 2.721-1974 history

• 1990 GOST 28721-1990 Induction crucible furnances of medium frequency with static converter for smelting ferritic steel. Power consumption indices
• 1988 GOST 27721-1988 Earth-moving machinery. Zoaders. Terminology and commercial. Specifications
• 1983 GOST 25721-1983 Overhead chain conveyors. Parts names
• 1976 GOST 21721-1976 Horizontal hobbing machines for cylindrical fine-pitch gears. Basic dimensions
• 1974 GOST 2.721-1974 Unified system for design documentation. Graphical designations in schemes. Graphical symbols of general use
• 1970 GOST 2.751-1973 Unified system of design documentation. Conditional graphic designations in schemes. Electrical connections, wires, cables and buses
• 0000 GOST 2.783-1969
• 1970 GOST 2.750-1968 Unified system of design documentation. Conditional graphic designations in schemes. Type of current and voltage; types of winding connections; pulse shapes

GOST 2.721-1974 Unified system for design documentation. Graphical designations in schemes. Graphical symbols of general use has been changed from GOST 2.750-1968 Unified system of design documentation. Conditional graphic designations in schemes. Type of current and voltage; types of winding connections; pulse shapes.

GOST 2.721-1974 Unified system for design documentation. Graphical designations in schemes. Graphical symbols of general use has been changed from GOST 2.751-1973 Unified system of design documentation. Conditional graphic designations in schemes. Electrical connections, wires, cables and buses.