GOST 2.784-96 UDC 744:641.643.4:003.62:006.354 Group T52 Interstate standard Unified system for design documentation Graphical symbols. Pipeline elements Unified system for design documentation. Graphic designation. Pipeline elements OKS 0002 ISS 01.100.10 Effective date 1/1/1998 Preface 1 by the Research and Design Institute of Industrial hydraulic and hydro (NIIGidroprivod), All-Russian Research Institute of Standardization and Certification in Engineering (VNIINMASH), introduced by State Standard of Russia 2 Adopted by the Interstate Council for Standardization, Metrology and Certification (Minutes № 10 of Oct. 4, 1996) voted for the adoption of: Name of State Name of the national standards body Azerbaijan Azgosstandart Republic of Armenia Republic of Belarus Armstatestandard Belstandart Republic of Kazakhstan State Standard of the Republic of Kazakhstan, the Kyrgyz Republic Kirgizstandart Republic Moldova MoldStandart Russian Federation State Standard of Russia Tajikistan Tajik State Center for Standardization, Metrology and Certification Turkmenglavgosinspektsiya Turkmenistan Ukraine State Standard of Ukraine 3 This standard corresponds to ISO 1219-91 "hydraulic drive, pneumatic and devices. Conditional graphical notation and diagrams. Part 1. Conditional graphical notation" in terms of pipeline elements 4 of the State Committee of Russian Federation for Standardization, Metrology and Certification of the April 7, 1997 № 124 interstate standard GOST 2.784-96 put into effect immediately as a state standard of the Russian Federation from January 1, 1998 May INSTEAD GOST 2,784 -70 1 Scope This standard specifies the conditional graphical notation elements piping diagrams and drawings of all industries. 2 Normative references in this standard references to the following standards: GOST 17752-81 Hydraulic drive volume and actuator. Terms and definitions GOST 20765-87 Lubricating systems. Terms and definitions GOST 24856-81 Pipeline Industry. Terms and definitions. 3 Definitions in this standard use the terms in accordance with GOST 17752, GOST 20765, GOST 24856. 4 CORE PROVISIONS 4.1 Legend reflect the purpose of (action), how to work devices, and external connections. 4.2 Designation does not show the actual construction of the device. 4.3 Sizes of symbols are not standard installs. 4.4 Conditional graphical notation elements of pipelines are given in Table 1. Table 1 Name of Designation of a pipeline - suction, pressure, discharge - line management, drainage, venting, draining two three pipe connection of pipelines crossing without connection 4 Place connections (for energy extraction or measuring instrument): - unpaired (closed) - compound 5 with a vertical riser conduit 6 Conduit flexible hose 7 Isolated section of the pipeline 8 Pipeline tube (case) 9 Pipeline omentum 10 connections Pipeline Plug: - a generic term - Flanged - Nipple threaded - Threaded Threaded - Threaded elastic 11 Swivel, such as : - single line - trilinear 1912 End of pipeline under the detachable connection: - a generic term - Flanged - Nipple threaded - Threaded Threaded - Threaded End 13 flexible pipe with a cap (cap): - a generic term - Flanged - Threaded pipe connections 14 Details: * - Tee - Crossings - Evacuation (knee) - Splitter, collector, comb 15 siphon (water seal) * 16 transition, a transition tube: - a generic term - Flanged - choke 17 Quick connection without closing element (united or unmerged) 18 Quick coupling with a locking element ( connection and disconnection) 19 Compensator *: - a generic term - P-Shape - lyre - the lens - wavy - Z-shaped - bellows - annular - Telescopic Box 1920 *: - amortization - Sound Insulation - insulating resistance of 21 seats with the flow: - depend on viscosity of the medium - is not dependent on the viscosity of the working environment (washer throttle, diminishing the flow device, the diaphragm) 22 Support the pipeline: - fixed - mobile (generic term) - Ball - directing - Moving - track rollers - 23 elastic suspension: - fixed - guide - elastic water hammer damper 24 25 26 Membrane breakthrough nozzle 27 combustion air from the atmosphere by 28 combustion air from the engine 29 connecting devices to other systems (testing, washing machines, air conditioners work environment, etc.) 30 point lubrication: - a generic term - Splash - drip - Lube nozzle ---------------- * Legend elements are allowed to depict, in accordance with their actual configuration Note - details of the compounds The compounds (14), equalizers (19) and insertions (20) with other elements of pipeline depicted in accordance with 10 of this table and Annex A. Annex A Mandatory examples indicate the tee, depending on how you connect with other elements of pipelines Table A.1 Method of assembly threaded muftovy choke flange elastic Other parts of compounds, as well as expansion joints, and inserts should be identified by analogy with the examples refer to the tee. TABLE OF CONTENTS 1 Scope 2 Normative references 3 Definitions 4 main provisions Annex A Examples of designations tee depending on how you connect with other elements of pipelines Published 07/07/2008 GOST on "Electrical, lighting, security systems," GOST 15597-82 Fixtures for industrial buildings. General specifications GOST 2.702-75 Unified system for design documentation. Rules for making electronic circuits with GOST 2.752-71 Unified system for design documentation. Graphical symbols in diagrams. Robot device GOST 2.755-87 Unified system for design documentation. Graphical symbols in electrical circuits. Device switching and contact connections GOST 2.756-76 * Unified system for design documentation. Graphical symbols in diagrams. Is often perceived electromechanical devices GOST 2.757-81 * Unified system for design documentation. Graphical symbols in diagrams. Elements of the switching field for switching systems GOST 2.758-81 Unified system for design documentation. Graphical symbols in diagrams. Signal Technology GOST 2.762-85 * Unified system for design documentation. Graphical symbols in electrical circuits. Frequencies and frequency bands for transmission systems GOST 2.763-85 * Unified system for design documentation. Graphical symbols in electrical circuits. Device with a pulse-code modulation GOST 2.764-86 Unified system for design documentation. Graphical symbols in electrical circuits. Integrated optoelectronic display elements GOST 2.768-90 Unified system for design documentation. Graphical symbols in diagrams.
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