Rain Guns and Recommended Sprinkler Pumps

Rain guns

Prices of Rain Guns Sprinklers in Kenya

The cost of Rain Guns is per size and specifications.

Available sizes at Aqua Hub Kenya are 1-1/2″, 2″ and 2-½.

Our Rain Guns are made of brass material with plastic parts and adjustable nozzles.

The cost ranges from KES 10,000 to KES 45,000 depending on the size, model, flow rate and pressure rating of the Rain Guns.

Complete Rain Guns Setup

Pump set

Several high-pressure pumps are available for connection to rain gun sprinkler systems.

Flow rates are within the rain guns specifications for intended water requirements on crop fields.

Booster pumps are also applicable in boosting the pressure rate in large-scale rain gun irrigation systems.

Mainline Pipes

Mainline HDPE water delivery pipes are laid on the middle of the farm to distribute water to lateral or Layflat delivery hose pipes.

 Ball Valves

2-inch outlet size ball valves connect to lateral lines on every 1.8 m interval.

Lateral Lines

Portable HDPE or lay flat delivery pipes of 2.5- 3 inch diameter and 3.2- 4 Kg/cm2 pressure rating.

Stands and Risers

1.5-inch tripod metal stands for support during irrigation and an inlet part of 1.5-inch diameter.

Rain gun Fittings

Pipe fittings such as tee, elbow, and end caps, Stand to Lateral line pipe quick fit connector and Stand to Rain Gun Male/Female quick fit connector assembly

Features

  • Uniform Speed providing even spread of moisture
  • Part Circle/ Full Circle rotation facility
  • Adjustable Jet Breaker for Droplet size management
  • Provides Uniform Water Distribution over the Irrigated Area
  • Low maintenance
  • Flange Rain Guns are Gear Driven

How to Design and Install Rain Guns

Rain Guns Sprinkler irrigation operates either on a hand-movable sprinkler head lateral or fixed lateral pipe stands.

With a movable lateral pipe, the rain gun stands and sprinklers can be adjusted to shift to another dry area.

On the other hand, a fixed lateral sprinkler system can only allow the rain gun sprinkler head to be moved.

  • Lay HDPE or Mainline pipes on the farm .
  • Connect risers to mainline pipes on an interval or 30 or 40 m apart.
  • Mount Tripod Stands and Connect Rain Guns on the female quick-fit connector assembly of the stand.
  • Connect the Riser pipes to the tripod stand inlet.
Rain guns

What is the Right Pump Specifications for Rain Guns?

The right pump for a rain gun system will depend on the depth of the water source and the pressure rating of the sprinkler.

For shallow water sources, you need at least a 5 HP pump to deliver water for about 30-35 meters head.

If the water source is deep, the minimum pump pressure rating could exceed 7.5 Hp.

Other factors such as rain gun model and type could also affect the type of pump to use.

What to do in case the water levels drop below the Pump’s suction Height?

Instead of changing the existing low-head pump set in the well, you can also add another 3 or 5-HP pump set on ground level at the outlet pipeline of the first Pump to use as a Booster Pump.

Benefits of Rain guns

  • It has a wide coverage and best for large scale irrigation
  • It irrigates over a short period of time due to its high-water volume
  • Movable sprinkler rain gun systems are available and can save on cost.
  • It is easy to assembly and disassemble

Rain Gun Sprinklers: Crop Application

Fodder, Groundnut, Maize, Vegetables like Onions, carrots, Cauliflower, cabbage 

Irrigation of commercial crops such as tea, coffee, cotton, watermelon, and banana plantation.

Other uses

  • Dust suppression
  • Lawn or sports field irrigation
  • Fire brigades also use sprinklers to put out fires.

For purchase or consultation on Rain Gun Sprinklers;

Call 0790719020.

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