140 Machine Drawing
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d:\N-Design\Des8-1.pm5 Seventh Print
4. The joint is held firmly without slipping for 2 minutes and allowed to dry.
5. After 24 hours, the pipe lines are ready for use.
8.6 Pipe Layout
Pipe layout is a kind of drawing, that shows how the various pipes are fitted together, to make-
up a piping system. It shows the location, size and orientation of the pipe fittings and valves.
As the components of a system are standard ones, it is sufficient to show simplified
representation of the components.
Figure 8.15 shows the layouts of cast iron and GI pipe line, incorporating most of the
pipe fittings.
Gate valve Cap
Lateral
Cross
Globe valve
Elbow Plug Union
Elbow
Te e Flanged
Joint
Check
Valve
Transition
Piece
45° Elbow
(a) CI pipe layout
Ta p
Coupling
Pipe
Reducer elbow
Pipe
Flanges
Te e
Cross
Elbow
Full way
Valve
Pipe nipple
Union
Half way valve
Plug
Cock valve
Bend
(b) GI pipe layout
Fig. 8.15 Pipe layout