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Irrigation

Amiad Sigma Pro - Irrigation Filter

Amiad’s Sigma Pro is a multi-screen, polymeric filter that combines Amiad’s unique suction-scanning screen technology with a compact design and an innovative self-cleaning mechanism. The filter capacity range is up to 280 m3/h (1,233 gpm), with filtration degrees from 80-500 micron. Inlet/outlet connections are available in 100 mm (4”), 150 mm (6”) and 200 mm (8”) diameter. Filters include a 50 mm (2”) exhaust valve.

PRODUCT CODE:
SIGMA6000 - X
SIZE RANGE:
100-200mm

How the Sigma Pro Filter Works

The Filtration Process

Raw water enters through the filter inlet and passes through the multiple screens. Clean water flows through the filter outlet. The gradual dirt buildup on the screens’ inner surface causes a filter cake to develop, which creates an increase in the pressure differential across the filter system. A differential pressure (DP) switch (hydraulic or electronic) senses the pressure differential and when it reaches a pre-set value, the self-cleaning process begins.

The Control System - Amiad’s NEW ADI-P Controller

Amiad’s ADI-P controller offers one-of-a-kind monitoring and control functionality. The controller interacts with Amiad’s advanced, user-friendly app that provides detailed filtration performance data on your mobile phone device. The self-cleaning mechanism is controlled and monitored by the ADI-P controller. The self-cleaning cycle is triggered by an integrated DP switch.

The electronic controller also provides:

  • Flush cycle counter
  • Alerts – low battery, DP cycle

Hydraulic rinse controller is available upon request.

The Self-Cleaning Process

The self-cleaning cycle begins under any one of the following conditions:

1. Receiving a signal from the DP switch, pre-set at 0.5 bar (7 psi)

2. Time interval parameter set at the controller

3. Manual start, triggered by 3-way ball valve or via electronic controller keypad

The flush water flows through the hydraulic turbines, causing the suction-scanners to spin. The drop in pressure forces the suction-scanners into an axial movement upward, ensuring that the nozzles sweep and clean the entire inner side of the fine screens.

Sigma Pro Models

Amiad’s Sigma Pro series consists of the following models:

  • 4” Sigma Pro for up to 120 m3/h (528 gpm)
  • 6” Sigma Pro for up to 180 m3/h (792 gpm)
  • 8” Sigma Pro for up to 280 m3/h (1,233 gpm)

Various Inlet/Outlet Configurations

4” Sigma Pro

6” Sigma Pro

Sigma Pro 6” installation of 2 units with manifold, for flow rates up to 360 m3/h (1,584 gpm)

8” Sigma Pro

Sigma Pro 8” installation of 4 units with manifold, for flow rates up to 1,120 m3/h (4,932 gpm)

Technical Specifications

Manual
Datasheet
Engineering Data*
* Note: For some products Manual or Engineering Data are available only upon request.

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Product code

Amiad Sigma Pro -  Irrigation Filter

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