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Piping Isometric Drawing Double Rolling

rolling or otherwise called as offset gives us the exact detail of change in direction of pipeline, 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 )