183.2K Views There are three types of rolling, the hatch lines in the right angled triangle nearby denotes the type of rolling rolling offset refers to a directional change (both vertically and horizontally) a pipe can make in a piping system. In a rolling offset:
Roll refers to the horizontal offset.
Rise (Offset) refers to the vertical offset
Vertical rolling (with vertical hatch lines )
Horizontal rolling (with horizontal hatch lines )
Vertical & horizontal rolling (with both vertical and horizontal hatch lines- 2 triangles )
Негізгі бет How to Read Isometric Drawing Vertical Rolling Horizontal Rolling Vertical and Horizontal Rolling
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