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Sand Filter Media 16:30. <br>Product shown on a 10mm grid
Filter Media - Silica Sand 16:30
Product Code: 3406

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Filtration Sand - Grade 16:30 (0.5-1mm) the most frequently used media size for water filtration. Suitable for industrial, hobby, pond and swimming pool filters.


Pack size: 15kg

Size: 0.5–1mm (BS 16:30)

Grading Specification: Max 5% Retained 1.0mm : Max 5% Passing 0.5%mm

Description & Use:
A natural washed and closely medium graded silica sand suitable for industrial and swimming pool water filters.

Prior to ordering:
Check manufacturers’ installation instructions to ensure compatability of the sand media.
The volume of sand media required will vary with make and capacity of filter, please check manufacturers recommendations.

Particle Size:
Typically:
Sieve Size mm % Retained
1.18 0
1.00 3
0.85 20.5
0.71 30.0
0.6 34
0.5 10
Passing 0.5 2.5
Chemical Composition:
Typically:
SiO2 98.3%
Al2O3 0.3%
Fe2O3 <1.29%
CaO <0.2%
MgO <0.2%
Loss on Ignition Max 3%
Physical
Properties:
Particle Shape Rounded / Sub-Rounded
Specific Gravity 2.65
Bulk Density Approx 1.6kg.m3
Hardness 6-7 on Mohs Scale
Acid Solubility Max 2%



Filtration for Non Filtration Specialists:
Pools, spas and ponds require water to be filtered (and as appropriate disinfected) to provide safe places for recreation and livestock. Poor maintenance can lead to clogged filters which can increase the risk of water borne infection.

Typically water filters contain clean closely graded silica sand often carried on a bed of filter support gravel. A pressure fed sand filter or "high rate" sand filter, which is generally located immediately after the pump will typically remove particles down to 10 microns in size (ten thousands of a millimetre).

Water is pumped under pressure into the top of the filter and leaves at the bottom. On the way through suspended dirt and debris in the water is trapped between the particles of sand.

Sand filters need to be cleaned regularly. By re-directing water back up through the sand bed and out to waste, accumulated dirt is flushed out, this is process is called back washing. Sand filters come with a valve known as a multiport valve to change the direction of water flow and to facilitate this process.

Sand media needs changing every three to five years, however, also be aware of a phenomena known as chanelling. This is where water cuts channels in the sand leading to a loss in filter efficiency an again will require the media to be replaced.

Price Promise:
All prices shown include VAT and Delivery to mainland locations in England, Wales and Southern Scotland - There are no hidden charges on checkout.

Logistics:
Product is supplied in an easy to handle weatherproof pack within a cardboard box and delivered by national couriers. Please advise during checkout or contact our office if you have specific delivery requirements or concerns.

Design Specify: 16:30 Silica sand filter media from Specialist Aggregates.

Product Code: 3406

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Alternative Volumes 
Filter Media - Silica Sand 16:30
Filter Media - Silica Sand 16:30
10 Pack Pallet (¼ Tonne)
 £117.44
20 Pack Pallet (½ Tonne)
 £175.66
40 Pack Pallet (1 Tonne)
 £284.93
Filter Media - Silica Sand 16:30 - Collect
Filter Media - Silica Sand 16:30 - Collect
Collection
£17.28
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