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Mini Sigma

    
2” Mini Sigma angle
    
3” Mini Sigma angle
    
4” Mini Sigma angle
    
2” Mini Sigma online
    
3” Mini Sigma online
    
4” Mini Sigma online



Innovative automatic self-cleaning filter. Lightweight and durable with maximum installation flexibility.

Highlights:
  • Reliable and durable
  • Amiad's unique suction-scanner cleaning technology
  • Modular design with various installation configurations
  • Polymeric filter - corrosion free
  • Low water and energy consumption
  • Compact design and small footprint
  • Easy installation and low maintenance
  • Ideal for many landscape and agricultural irrigation applications
  • Amiad’s innovative and user friendly ADI-P electronic controller, operated by a mobile app for advanced monitoring capabilities
* Patent pending

How the Mini Sigma Filter Works

General
Amiad’s Mini Sigma filter is the newest addition to the Sigma family. It is a small and lightweight yet durable filter; quick and easy to install, simple to operate, and requires minimal maintenance. The Mini Sigma filter was developed to handle low pressure operation, with a capacity of up to 80 m3/h (352 gpm) and with filtration degrees from 80-500 micron. Inlet/outlet connections are available in 50 mm (2”), 80 mm (3”), and 100 mm (4”) diameter. Filters include a 40 mm (1.5”) flush valve.

The Filtration Process
Raw water enters through the filter inlet and passes through the screen. Clean water flows through the filter outlet. The gradual dirt buildup on the screen’s inner surface causes a filter cake to develop, creating an increase in the pressure differential across the filter system. A differential pressure (DP) switch senses the pressure differential and when it reaches a pre-set level, the self-cleaning process begins.

The Control System - Amiad’s NEW ADI-P Controller
Amiad’s ADI-P controller offers a 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 ADI-P controller and mobile app also provide:
  • DP and flush cycle counters
  • Alerts – low/high pressures, low battery
  • Reports and performance history data

The Self-Cleaning Process
The self-cleaning cycle is initiated by any one of the following conditions:
1. Signal from the DP switch, pre-set at 7 psi (0.5 bar)
2. Time interval parameter set at the controller
3. Manual start, triggered by the ADI-P mobile app (within Bluetooth range) or via electronic controller keypad

The flush valve opens to atmosphere creating a strong suction force at the scanner nozzles, effectively removing dirt particles from the screen and discharging them from the filter.

Mini Sigma Models
Amiad’s Mini Sigma Series consists of the following models:
  • 2'' Mini Sigma for up to 25 m3/h (110 gpm)
  • 3'' Mini Sigma for up to 50 m3/h (220 gpm)
  • 4'' Mini Sigma for up to 80 m3/h (352 gpm)