The Ultimate First Line of Defense
The Atlas Filtri HYDRA PM is a single-stage self-cleaning filter designed to tackle the heavy sediment, sand, and rust often found in Thailand’s municipal water supplies. Unlike standard filters that require you to manually remove and scrub the cartridge, the HYDRA PM uses an exclusive counter-current backwash system. Simply open the valve at the bottom, and the reversal of water flow pushes accumulated dirt off the cartridge and out through the drain funnel.
Designed for Convenience and Monitoring
This “PM” model features a reinforced polypropylene head equipped with two brass plugs. These ports allow for the optional installation of pressure gauges (Manometers), giving you a visual indicator of pressure drop so you know exactly when to backwash the system.
Application & Installation
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Pre-Tank Protection: Install this before your water storage tank to prevent mud and sludge from settling at the bottom, reducing the need for difficult tank cleaning.
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Equipment Guard: Use it before your pump or expensive whole-house filters to extend their maintenance intervals and reduce costs .
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Outdoor Ready: We highly recommend choosing the Blue Housing option for outdoor installations to effectively block sunlight and prevent algae growth inside the filter.
Technical Specifications
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Filtration: 90 Micron Stainless Steel Mesh (RAH).
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Flow Rate: Max 6,000 Liters/hour.
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Connections: 1” Female BSPP.
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Max Pressure: 8 Bar.




