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Sediment Filter Cartridges

Sediment filtration for removing solid particles from water. Pentair offers a wide choice of depth and surface filtration.

DGD Series

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Polydepth Series

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Wound Series

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Liquid Filter Bags

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Pentair Sediment Filter Cartridges

Effective Removal of Solid Particles

Pentair sediment filter cartridges are the first line of defence in any water-treatment system. AQUA HUB GROUP supplies the complete range of Pentair sediment filters for residential, commercial and industrial applications. These filters effectively remove sand, rust, silt and other solid particles from the water, protecting downstream equipment and improving overall water quality.

The Pentair DGD Series (Dual Gradient Density) represents a breakthrough in sediment filtration technology. These unique cartridges have a gradually increasing density from the outside inwards, so that larger particles are captured on the outside and finer particles are retained deeper in the filter. This results in a longer service life, higher dirt-holding capacity and consistent filtration quality throughout the entire service life of the cartridge. DGD filters are available in various micron ratings, from 1 to 50 microns.

The Polydepth Series offers traditional depth filtration with a homogeneous structure for reliable particle removal. These filters are ideal for applications where consistent filtration fineness across the entire filter surface is required. Polydepth cartridges are available in a wide range of micron ratings and dimensions, compatible with standard filter housings worldwide.

Pentair Wound Series filters are the classic choice for sediment filtration. These cartridges consist of cotton fibre or polypropylene wound around a central core and offer reliable particle removal at an economical price. Wound filters are ideal for pre-filtration in residential and commercial systems and are available in various lengths, diameters and micron ratings.

For industrial applications with high flow capacities, Pentair offers Liquid Filter Bags. These bags are designed for use in bag filter housings and offer large filtration capacity for process water, cooling water and other industrial applications. The bags are made from high-quality materials that withstand a wide range of temperatures and chemical conditions.

Choosing the right sediment filter is essential to the performance of your water-treatment system. Factors such as the quantity and size of the particles present, the required flow rate and the specific application determine which filter type is most suitable. Filtration that is too coarse results in insufficient protection of downstream equipment, while filtration that is too fine can lead to rapid clogging and increased maintenance.

AQUA HUB GROUP offers expert advice on selecting sediment filters for your specific application. Our experts can help determine the optimum micron rating, filter type and replacement frequency based on your water analysis and usage pattern. Contact us for a no-obligation consultation and benefit from our competitive wholesale prices and fast delivery.

AQUA HUB GROUP • Official Pentair Distributor Belgium

Frequently asked questions about Pentair Sediment Filter Cartridges

What is the difference between depth and surface filtration?

With depth filtration, particles are captured throughout the entire thickness of the filter material, resulting in a high dirt-holding capacity. Surface filters capture particles only on the outer surface, which means they clog more easily but filter more precisely. Pentair DGD filters combine both principles with their dual-gradient structure for optimum performance.

Which micron rating should I choose for my sediment filter?

The choice depends on your water quality and what you want to achieve. For pre-filtration (protection of downstream equipment), 20–50 microns is often sufficient. For finer filtration, such as protecting a water softener or RO system, choose 5–10 microns. For critical applications, go down to 1 micron. A filter that is too fine clogs faster; one that is too coarse offers insufficient protection.

How long does a Pentair sediment filter last?

Service life varies greatly depending on the amount of solid particles in your water. In clean mains water, a filter can last 6–12 months. With water containing a lot of sediment (well water, after work on the pipes), replacement may be needed every 1–3 months. Replace the filter when the pressure drops noticeably or the flow rate decreases.

What are the advantages of Pentair DGD filters?

DGD (Dual Gradient Density) filters have a unique structure in which the outer layers capture coarse particles and the inner layers capture finer particles. This results in: a longer service life than standard filters, higher dirt-holding capacity, consistent filtration quality and less frequent replacement. DGD filters are the premium choice for demanding applications.

Can I clean and reuse a sediment filter?

Wound filters and depth filters such as DGD are designed as disposable products and cannot be cleaned effectively. Some surface filters (pleated filters) can be rinsed for reuse, but lose effectiveness with each cleaning. For reliable filtration, we always recommend using new filter cartridges according to the recommended replacement schedule.

What is the difference between PP and cellulose filter cartridges?

Polypropylene (PP) filters are synthetic, chemically inert and suitable for a wide temperature range. Cellulose filters (often wound cotton) are cheaper but can promote bacterial growth and are less chemically resistant. For drinking-water applications, we recommend PP filters because of their hygienic properties and consistent performance.

When should I use liquid filter bags instead of cartridges?

Filter bags are ideal for industrial applications with high flow rates where cartridges would be impractical. They offer large filtration capacity, easy replacement and lower costs per cubic metre treated. For residential and light commercial applications, filter cartridges are usually the better choice because of their more compact format.

How do I know when my sediment filter needs replacing?

Signs that replacement is needed: reduced flow rate, a noticeable pressure drop across the filter (measure with pressure gauges before/after), visible discoloration of the filter on inspection, or deteriorating water quality. If in doubt, replace it: a clogged filter can lead to bypass and let unfiltered water through.

Should I install a sediment filter before or after my water softener?

Always install a sediment filter before your water softener. The filter protects the ion-exchange resin and the control valve against fouling by sediment, rust and other solid particles. This extends the service life of your softener and prevents problems with valve blockages. A 20–50 micron pre-filter is usually sufficient.

Where can I buy Pentair sediment filters in Belgium?

AQUA HUB GROUP supplies the complete range of Pentair sediment filter cartridges: DGD Series, Polydepth, wound filters and liquid filter bags in all common sizes and micron ratings. We advise on the optimum filter for your situation. Contact us for advice and competitive wholesale prices.

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