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Drip Irrigation

Drip Irrigation

Drip irrigation means supplying water directly to the effective root zone of the plants, at lower rate according to the requirements of crops. Since drip irrigation system supplies water in precise proportions, it saves water being wasted. One can get optimum quantity and quality of crop as all the soil parameters are regulated. There is no necessity of preparing the small drains or beds which inturn saves time and labour. The whole system can be single handed with minimum effort at anytime. By summing all this up we can save water, time and effort.

Drip Inline Lateral Pipes - widely used in drip irrigation systems and available in following dimensions :

  • 12mm x 30,40,45,60 cm
  • 16mm x 30,40,45,60 cm
  • 20mm x 30,40,45 cm

Benefits of Drip Irrigation

  • High water use efficiency as it saves water up to 40-80% comparing with the traditional methods.
  • Percolation, Evaporation and weed count is reduced.
  • Can be used in any terrain in spite of undulations in the topography.
  • Supplies water directly to the effective root zone through pipe network, preventing soil erosion completely, in addition to this it also protects soil parameters like soil aeration, soil temperature, soil porosity, soil moisture, soil microbial activity, etc.
  • Uniform and precise in wetting comparing to the flood irrigation, which helps-out in uniform growth and development of the plant.
  • Prevents the spread of diseases from plant to plant from soil and water.
  • Water is controlled precisely as per soil and plant requirement.
  • All sources and types water (even saline and alkaline water ) can be safely and effectively used.
  • Frequent irrigation keeps the salt concentration beyond the root zone.
  • Leaching of Nutrients is prevented.
  • Efficient and economic use of fertilizer and pesticides(soil applicable) through fertigation.
  • Suitable for all range of Crops.
  • Can perform Agricultural operation while irrigation is on.
drip irrigation layout

COMPONENTS

FILTERS

Filters are used to the remove suspended solids from irrigation water preventing clogging in the system. It functions as the heart of drip irrigation system.

Sand Filter

Used to filter the floating material in the water such as leaves, algae, husk, etc. Used for open water source. Filter Media used in this filter is silica sand or Gravel. The filters are available in different sizes:

  • 10 m3/hr size; Pipe size: 2 "
  • 20 m3/hr size; Pipe size: 2 "
  • 30 m3/hr size; Pipe size: 2½"
  • 40 m3/hr size; Pipe size: 3"

Hydrocyclone Filter

Available in HDPE and Metal.
Used to filter heavy suspended particle like mica, sand, gravel, etc. It works on the principle of centrifugal sedimentation (no filter media used). The filters are available in three different sizes:

  • 20m3/hr size; Pipe size: 2 "
  • 30m3/hr size; Pipe size: 2½"
  • 40m3/hr size; Pipe size: 3"

Screen Filter

Used in all kind of drip system. This filters water from the dirt matter with size more than 100 micron. A stainless steel mesh/specially designed plastic disc is used inside the filter.

Available in HDPE and Metallic Model with size, 10m3/hr, 20m3/hr, 30m3/hr and 40m3/hr.

Disc Filter

Used in all kind of drip system. This filters water from the dirt matter with size more than 100 micron. A stainless steel mesh/specially designed plastic disc is used inside the filter.

Available in HDPE with size, 10m3/hr, 20m3/hr, 30m3/hr and 40m3/hr.

SAND FILTER

HYDRO CYCLONE FILTER

SCREEN FILTER

DISC FILTER

VENTURI

The fertilizer solution is injected in to the system by generated by Venturi. The high flow velocity of water in the constriction creates vacuum as the result solution is sucked from an open tank into the constriction through a small diameter. For operating Venturi, difference pressure of 0.5 to 1.0 kg/cm2 is necessary.

PVC PIPES

PVC stands for polyvinyl chloride, Here it's used for Main line and Sub line in the drip system.

VALVES

Ball Valve

Flow of water from Main line to Sub line is controlled by Control valve. Available in 40, 50, 63, 75 and 90mm.

Flush Valve

It is the end of sub line. Used to flush out the sub line impurities.Available in 40, 50 and 63mm.

Air Release Valve

When the system is turned off or any valve is closed, then suction pressure is created, as the result air is sucked inside the system. In this situation, either the pipe get damaged or the soil/dirt is sucked into the system. This can be avoided by fixing air release valve at higher elevation.

Pressure Release Valve

Pressure Release Valve (PRV) is a type of safety component used in the drip system. These valves are used to limit the amount of compressed air pressure in the system so that it doesn’t build up above a pre-set level and cause damage to system. These types of valves are therefore used to stop over-pressurisation, where air pressure exceeds the maximum allowed for the drip system.

Non Return Valve

A non-return valve, also known as a check valve, clack valve, one-way valve or retention valve, is designed to allow water to flow in one direction only, therefore preventing the water from flowing back to the pump.

Ball Valve

Flush Valve

Air Release Valve

Non-Return Valve

LATERAL

It is used to convey the water from Sub line to Emitter. These are pipe manufactured from Linear Low Density Polyethylene (LLDPE). They are usually laid above the ground or sometimes underground. Pipe are of the size 12mm, 16mm or 20mm. Based on the function they are classified as:

Inline Lateral

Inline lateral is manufactured by inserting a drip emitter directly into the tubing at evenly spaced intervals during the manufacturing process. Usually two holes are then drilled into the tubing at a precise location for every emitter, where the water will drip out. They are round in cross-section.

Online Lateral

Online laterals are plain (without dripper mounted inside) used for irrigation on which drippers or emitters, Micro sprinkler are mounted directly or by means of fittings.

Flat

Flat laterals are similar to inline lateral, but emitter. Here the emitters inserted into the pipes are not cylindrical, they are flat stripe like as show in the picture. And the pipes are flat in shape.

Microtube

Microtubes are pipes with less diameter, fitted on laterals instead of dripper using a pin connector or else can be used as an extension to the dripper. Availble in 1.2, 1.5, 2 and 2.3mm

Inline Lateral

Online Lateral

Flat Lateral

Lateral Microtube

DRIPPER

Dripper/Emitter are fixed to the lateral, which supply the water to the root zone. Based on discharge they are classified as

  • 2 LHP - Dripper with discharge rate of 2 liters per hour.
  • 4 LPH - Dripper with discharge rate of 4 liters per hour.
  • 8 LPH - Dripper with discharge rate of 8 liters per hour.
  • 16 LPH - Dripper with discharge rate of 16 liters per hour.
  • Adjustable Dripper - Dripper with adjustable rate of discharge from 0 to 16 LPH
  • PC Drippers - It deliver a precise amount of water regardless of changes in pressure due to long rows or changes in terrain. Inside the emitter is a flexible diaphragm that regulates the water flow and tends to flush particles from the system (self-flushing).

4 LPH

8 LPH

16 LPH

PC DRIPPER

MICRO SPRINKLER

Megha Butterfly Sprinkler

MEGHA Butterfly Sprinkler Head fits onto sprinkler bases, spikes or risers with a full circle spray pattern. Maximum 5 metres radius and has a connection of a 15mm (1/2″BSP) female thread.

Foggers 4 WAY

Foggers and misters are watering devices that focus primarily on reducing temperatures and controlling humidity levels, instead of soil saturation. They produce water at lower volumes, but operate at higher pressures (PSI). The low water volume combined with the high pressure creates a mist/fog effect. The small droplets of water allow for quick evaporation which cools the air and creates more humidity. These devices are popular in nurseries and greenhouses.

Mister

Water is diffused by the mister, and distributes tiny water droplets across plants and soil. Misters allow a gardener or farmer to distribute a low volume of water over a much wider area.
Foggers and mister differ in droplet size, volume of water, and the PSI range.

Micro Sprinkler

Micro-sprinkler irrigation is a low pressure, low to medium volume irrigation system suitable for high value crops such as tree fruits. If managed properly, micro irrigation can increase yields and decrease water use and fertilizer and labour requirements when compared to Valved pipe/furrow irrigation systems.

  • Megha Aqua Sprinkler
  • Megha Micro Sprinkler

Megha Butterfly Sprinkler

FOGGER 4 WAY

MISTER

Megha Aqua Sprinkler

Megha Microsprinkler

Megha Thai Jet

Microsprinkler Jain

Microsprinkler C Type

Microsprinkler Adapter

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