EMITTERS USED IN LOW VOLUME IRRIGATION SYSTEMS

Some of the emitters used in these systems are  – 

Drippers
Static Sprayers 
Mist Sprayers
Mini Sprinklers
Pop up  Sprinklers

 

 


DRIPPERS

All purpose Flow-Regulated Self-Flushing Drippers

         .               On-line emitter with a very low profile functioning like in-line emitters
    ·        Automatic self-flushing when pressure builds-up
   
·        Pressure compensated to allow use of long laterals
   
·        Flow uniformity
   
·        Option for underground installation with outlet barb for 5/3 polyethylene extension tube
    ·        Optional top outlet for vineyards
   
·        Factory or on-the-spot insertion
   
·        Resistance to chemicals
   
·        Nominal Flow Rates:- 2.3 1/h, 3.8 1/h
   
·        Working pressure Range:- 0.6-3.5 bar

Applications

    ·        Field crops/Row crop
   
·        Vegetables in open fields
   
·        Vegetables under cover
   
·        Nurseries
   
·        Vegetable and flower green houses
   
·        Home garden systems
   
·        Perennial plantations
   
·        Banana plantations
   
·        Vineyards
   
·        Citrus orchards
   
·        Industrial uses
   
·        Windbreaks
    .        Ornamentals and traffic islands

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STATIC SPRAYERS 

Vortex-Flow Static Sprayer

                 No clogging, with significantly large water passages
    ·        No moving parts
   
·        Unique Vortex mechanism
   
·        Threaded stem adaptable to tubing or riser
    ·        Conical stem for quick connection to a “press-fit” system
    ·        Wetting patterns available: 180 degree , 300 degree, 360 degree
   
·        Nominal Flow Rates :- 25, 34, 54, 68 1/h at 1.5 bar
    .        Throw Diameters: 2.8, 3.5, 4.0, 4.6m. at 1.5 bar

 Application

    .           Citrus orchards
    ·        Perennial plantations
   
·        Nurseries
   
·        Home garden systems
    
.               Commercial garden systems

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MIST SPRAYER

.       Designed without a bridge, ensures uninterrupted mist application
.        Low operating pressure
.       
Nominal Flow Rates: 20, 24, 35, 41 1/h at 2/5 bar
.       
Throw Diameters: 2.2, 2.0, 1.8 and 1.6 at 2.5 bar
.    Droplet Size: from 165 down to 135 um 

Application

.       Nurseries
       
Vegetable and flower greenhouses
       
Other agricultural requiring environmental management


(Click to enlarge)
 

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Photograph of a mini sprinkler as before.

MINI SPRINKLERS    

.           Superior human engineering, easy handling and maintenance
·        Uniform coverage
·        Threaded or conical stem
·        Flexible installation

a) directly to the tube line
b) to a flexible riser
c) to a Plastro octagonal stake

.           Fully compatible with the Tornado line connections and Rondo accessories
·        With 3/8” thread fits 3/8” accessories
·        Interchangeable between the various elements
·        Throw Diameters: from 6.5 up to 9.5 meters
.        Nominal Flow Rates: are between 7 to 25 lit/hour   

Applications

.                Under tree irrigation in fruit
·        Plantations and orchards
·        Frost protection
.        Greenhouses, nurseries.

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POPUP SPRINKLERS

            .                 Low weight between 300 and 5000 gms
·        High impact plastic construction
·        Protected mechanism and removable filter screen.  
·        Part and full circle fingertip adjustments.  
·        Smooth and quite operation.  
·        Distance control deflector.  
·        Water lubricated drive.
 
.        
  Pressure range between 1.5 and 4 bars.  
·        No tools maintenance.  
·        Anti drain valve capable of holding upto 5-meter elevation.  
·        Spacing between sprinklers upto 12m.
 

 


(Click to enlarge)

Applications  

·        Gardens lawns golf courses.  

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Introduction  Components of a Irrigation System  |  Advantages  Disadvantages | Present Status of System in India  |  Areas of Usage  |  Components of a Irrigation System  Drip Irrigation an Actual Example  |  Data required for Design of an Irrigation  System  


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