| Excerpts: Sprinkler systems are very | | | | of stainless steel material and they ensure |
| important in the field of irrigation to get | | | | uniform rotation. Part circle sprinklers have |
| crop maturity with less amount of water. It | | | | adjustable arcs to rotate in all directions. |
| is also used to minimize the effect of fire | | | | So no area will be left dry. |
| in vast areas. | | | | |
| | | | 2. Fire sprinkler systems: |
| Sprinkler system is mainly used for two | | | | |
| purposes for irrigation and for controlling | | | | Fire sprinkler system allows water flow under |
| the effect of fire. | | | | pressure to control fire. Previously they are |
| | | | used in factories and large industries. Now |
| 1. Sprinkler irrigation system: | | | | they are available in compact size to be used |
| | | | in small business concerns, homes etc. There |
| Sprinkler irrigation system discharges water | | | | are different types of Fire sprinkler |
| like rain fall. This is most effective as | | | | systems. Wet pipe system has automatic |
| they cover the entire lands. This is suitable | | | | sprinklers that will spray water under |
| for wheat, gram, pulses, vegetables, tea, | | | | pressure through pipes connected to them. |
| cotton and other types of crops. They spray | | | | They are suitable for controlling fire in |
| water in small drops. They can be used in | | | | vast area. Dry pipe system uses air pressure |
| connection with pipes. Here water is allowed | | | | to reduce fire. It is mainly used in unheated |
| to flow by pumping. They are easy to install | | | | buildings or refrigerated coolers. It can be |
| and maintain. They are strong and thus ensure | | | | used in small areas. Deluge system has |
| long life. They are corrosion resistant. | | | | deluge valves to piping that supply water. |
| They are suitable for any type of soils. They | | | | This is more useful where fire spreads |
| may be made up of stainless steel or plastic. | | | | rapidly. Pre action system combines all the |
| This system is the best one for irrigating | | | | three systems. It is used in museums where |
| lawns and crops with considerably less amount | | | | books, rare arts etc are kept. It has two sub |
| of water. | | | | types. Single interlock and double interlock. |
| | | | Single interlock is just like dry pipe system |
| Sprinklers that spray in fixed patterns are | | | | and double interlock is similar to Deluge |
| known as sprays and they can be used under | | | | system. Foam sprinkler uses the mixture of |
| low pressure. High pressure sprinklers have | | | | water and foam that will result in foam spray |
| impact mechanism. They can rotate in half or | | | | from the sprinklers. This can be used in |
| full circle. Floppy sprinklers are unique | | | | highly inflammable areas, air ports etc. |
| sprinkler system that does not have any | | | | |
| moving parts. They are suitable for | | | | Muna wa Wanjiru is an Agricultural Engineer |
| irrigating closely spaced crops. Full circle | | | | and Has Been Researching and Reporting on |
| and part circle impact sprinklers are made up | | | | Irrigation for Years. |