GB/T 6567.1-2008Technical drawings - Graphical symbols for piping systems - Basic principles (English PDF)

3.1

pipeline system commonly used by graphic symbols are figurative, simplification, clarity and ease of computer graphics, hand drawings and the like for a microfilm copy

Seeking formulated.

3.2

pipe system is commonly used by graphic symbols to draw the line is horizontal, but also in the pipeline at any location, but within the graphic symbols

Characters, pointers, etc. based upon the horizontal line is represented.

Agreement, the minimum distance between two parallel lines should be 0.7mm.

Located within 3.4 letters or symbols and graphical symbols are used together, the numbers and all other characters, written in the body should be straight, their line

Width should be the same width of the symbol itself.

3.5

functions related to graphic symbols shall be grouped design, it can be a basic symbols and additional symbols or symbolic elements. Group symbols feature

They are. similar shape or similar meaning or object represents similar or similar usage and so on.

3.6

not specified line system graphical symbols according to the principle of combination of this standard or derived.

3.7

pipeline system commonly used graphic symbols commonly used in single-wire line. If necessary, it can also be used for two-wire lines.

3.8

In the application, the size of the graphic symbols may be appropriately scaled up or down.