ISO 6412-2:2017
Technical product documentation — Simplified representation of pipelines — Part 2: Isometric projection
ISO 6412-2:2017 specifies supplementary rules, in addition to the general rules given in ISO 6412-1, applicable to isometric representation. Isometric representation is used where it is necessary to show the essential features clearly in three dimensions.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Coordinates
5 Line conventions
6 Deviations from the direction of coordinate axes
6.1 General
6.2 Pipes in a vertical plane
6.3 Pipes in a horizontal plane
6.4 Pipes not parallel to any coordinate plane
6.5 Auxiliary projection planes
7 Dimensioning and special rules
7.1 General
7.2 Diameters and wall thickness
7.3 Longitudinal and angular dimensions
7.4 Pipes with bends
7.5 Radii and angles of bends
7.6 Levels
7.7 Direction of slope
7.8 Positions of ends of pipes
7.9 Redundant dimensioning
7.10 Dimensioning for pipe-bending machines
8 Graphical symbols
8.1 General
8.2 Examples of graphical symbols drawn with the isometric projection method
8.2.1 Valves
8.2.2 Transition pieces (cones)
8.2.3 Supports and hangers
8.2.4 Crossings
8.2.5 Permanent junctions
8.2.6 General connections
8.2.7 Flanges
9 Examples
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Coordinates
5 Line conventions
6 Deviations from the direction of coordinate axes
6.1 General
6.2 Pipes in a vertical plane
6.3 Pipes in a horizontal plane
6.4 Pipes not parallel to any coordinate plane
6.5 Auxiliary projection planes
7 Dimensioning and special rules
7.1 General
7.2 Diameters and wall thickness
7.3 Longitudinal and angular dimensions
7.4 Pipes with bends
7.5 Radii and angles of bends
7.6 Levels
7.7 Direction of slope
7.8 Positions of ends of pipes
7.9 Redundant dimensioning
7.10 Dimensioning for pipe-bending machines
8 Graphical symbols
8.1 General
8.2 Examples of graphical symbols drawn with the isometric projection method
8.2.1 Valves
8.2.2 Transition pieces (cones)
8.2.3 Supports and hangers
8.2.4 Crossings
8.2.5 Permanent junctions
8.2.6 General connections
8.2.7 Flanges
9 Examples
Bibliography