Amiad's SAF series is a Watermark accredited automatic self cleaning filter that provides high filtration efficiency with robust and simple construction along with Amiad's proven suction-scanning cleaning technology.
The SAF self-cleaning filter provides high filtration efficiency with robust and simple construction and Amiad's proven suction-scanning cleaning technology. The reliable operating mechanism and simple construction makes it the ideal solution for filtration of poor industrial water quality to very fine filtration degrees.
The SAF filter offers a large filtration area and suction scanner cleaning technology driven by an electrical drive-unit. Suitable for wide variety of industrial water filtration applications, heavy loads and challenging types of TSS. Automatic cleaning without flow interruption and with minimal wasted water. The SAF Series includes four models with various sizes and flange connections and the filters are adaptable special applications and specific requirements.
SAF Models: Amiad’s “SAF” product-line consists of the following models: SAF 1500 for up to 80 m³/h (350 gpm) SAF 3000 for up to 150 m³/h (660 gpm) SAF 4500 for up to 250 m³/h (1,100 gpm) SAF 6000 for up to 400 m³/h (1,760 gpm)
Large filter area, reliable operating mechanism and simple construction make the SAF filters the ideal solution for filtration of poor water quality to very fine filtration
Automatic self-cleaning according to pressure differential and/or time
No interruption of downstream flow during self-cleaning
Robust and reliable self-cleaning mechanism, even in marginal operating conditions
Applications: municipal water supply systems, cooling water, wastewater treatment, industrial pre-filtration, membrane protection, irrigation systems etc.
Industries: manufacturing, oil and gas, mining, water and wastewater treatment plant, turf and agriculture, etc
The Filtering process:
Raw water enters the filter inlet through the coarse screen which protects the cleaning mechanism from large debris.
The water passes through the fine screen, trapping dirt particles which accumulate inside the filter.
Clean water flows through the filter outlet.
The gradual dirt build-up on the inner screen surface causes a filter cake to develop, with a corresponding increase in the pressure differential across the screen.
A pressure differential switch senses the increased pressure differential and when it reaches a pre-set value (typically 7.0 psi), the cleaning process begins.
Cleaning of the filter is carried out by the suction scanner which spirals across the screen. The open exhaust valve creates a high velocity suction stream at the nozzles tip which “vacuums” the filter cake from the screen. During the self-cleaning process, which takes between 15 to 40 seconds, filtered water continues to flow downstream.
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