Types of sprinkler
systems
A sprinkler system can
be classified under three heads, as:
1.
Permanent system;
2.
Semipermanent system; and
3.
Portable system.
Earlier, the fixed overhead perforate pipe
installations were being used for sprinkler network; but with the advent of
light weight steel pipes and quick couplers, portable systems have been
designed.
In permanent system, pipes are permanently buried in
such a way that they do not interfere with the farming operations. In the semi
permanent system, the main lines are buried in the ground, while the laterals
are portable. In portable system, the mains as well as laterals are portable.
These portable networks can be moved from farm to farm.
In the sprinkler irrigation network, we have the
mains and the submains, through which water under pressure is made to flow.
Revolving sprinkler heads are then usually mounted on rising pipes attached to
the laterals. The water jet comes out through the revolving sprinkler heads,
with force. When sprinkler heads are not provided, perforations are made in the
pipes, and they are provided with nozzles, through which water jets out and
falls on the ground. Generally, such a perforated pipe system operates at low
heads; whereas, the revolving heads sprinklers operate on high as well as low
heads, depending upon the type of rotary head used.
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