SWFI automatic disc filter system with three filter housings, controller and manifold

Product overview

The SWFI Series Automatic Disc Filter System provides grooved-disc filtration for suitable industrial, agricultural and commercial water applications in Sabah. A compressed stack of grooved discs retains suspended particles as water passes through the filter element. Automatic backwash changes valve positions and releases the disc stack for cleaning when the configured pressure-difference or timer setpoint is reached. H-Type and T-Type options, modular filter banks and suitable upstream sand-media or centrifugal separation stages can be reviewed for the required pipe layout and raw-water conditions. Select the filtration grade, number of units, materials and backwash arrangement to match the actual flow, water quality and downstream equipment.

Key features

Grooved-disc elements for suspended-particle filtration
Automatic backwash according to pressure-difference or timer settings
H-Type and T-Type model options to suit the selected pipe layout
Modular configurations for application-based sizing
Can be combined with suitable upstream sand-media or centrifugal pretreatment
Select housing, seals and disc grade for the actual water and operating conditions

Applications

Drip and sprinkler irrigation pretreatment to reduce particle loading reaching emitters
Suitable cooling-water and industrial water-recirculation circuits
Water-reuse and raw-water pretreatment applications
Commercial and municipal water-treatment pretreatment where the configuration matches the duty

Technical information

System type: modular disc filtration with automatic backwash, subject to the selected configuration. Model options: H-Type and T-Type; confirm the exact assembly and connection layout. Backwash control: pressure-difference and/or timer-based operation according to the selected controller and settings. Pretreatment options: suitable sand-media filtration or centrifugal separation can be considered for raw water with heavier solids loading. SUPPLIED H-TYPE COMPONENT REFERENCES — these figures do not define the capacity or pressure rating of every assembled filter bank. F90HDZ | Nominal connection 3 inch (90) | Modified PP | Body 960 × 340 × 220 mm | Mesh 120 | Reference maximum flow 40 m³/h | Reference maximum pressure 10 kg/cm² | Net weight 10.63 kg F110HDZ | Nominal connection 4 inch (110) | Modified PP | Body 1200 × 340 × 220 mm | Mesh 120 | Reference maximum flow 60 m³/h | Reference maximum pressure 10 kg/cm² | Net weight 13.63 kg The supplied reference states pressure in kg/cm² and filtration as mesh 120; neither is converted into a different unit or a micron rating here. Confirm the exact model datasheet, filtration grade, maximum operating pressure, temperature, minimum backwash pressure/flow, controller supply and connection standard before ordering. Actual system flow depends on the filter-bank configuration, water quality, filtration grade and available hydraulic conditions.

Selection information

Normal and peak flow requirements
Raw-water suspended solids and upstream pretreatment needs
Filtration grade required by downstream equipment or emitters
Operating pressure, temperature and material compatibility
Available backwash pressure, flow and drainage
Pipe layout, connections and controller requirements

Frequently asked questions

How does an automatic disc filter work?

Water passes through a compressed stack of grooved discs. Suspended particles collect within the groove intersections. The selected backwash arrangement releases and cleans the discs, flushing retained particles to drain.

When does automatic backwash start?

The controller starts a cleaning sequence when the configured pressure-difference or timer setpoint is reached. The selected system must have adequate backwash water pressure and flow.

Can this system help protect drip-irrigation emitters?

It can reduce suspended-particle loading when the filtration grade and capacity match the emitter requirements and raw-water conditions. Additional treatment may be needed for other causes of blockage.

Do the 40 and 60 m³/h references apply to every filter bank?

No. They are maximum-flow figures from the supplied F90HDZ and F110HDZ H-Type component references. Confirm the assembled system duty, filtration grade and hydraulic requirements for the chosen configuration.

How should I select a system for a Sabah site?

Provide peak and normal flow, a water-quality or solids-loading description, downstream filtration requirements, operating pressure, pipe connections, controller power requirements and available backwash/drain arrangements.

Discuss this product with SWFI in Kota Kinabalu

For a different number of filter units, H-Type/T-Type layout or combined pretreatment arrangement, send SWFI the required flow, water conditions and site details. Final configuration, specifications and availability require confirmation.

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Automatic Disc Filter System (SWFI Series)