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Support Gravel

Silica Gravel (Pebbles) is a naturally occurring granular filter media support. This support media is washed and graded between upper and lower size. Gravel is washed, dried, and sieved to standards such as AWWA B100 and / or EN12904. Mainly Support Gravel is used to prevent filter media migration through filter floor, it does not contribute to filtration process. The support gravel remains sub fluidized at all backwash velocities.

Applications & Industries

There are many applications where Gravel is used:  Desalination pre-treatment filtration systems  Surface water filtration systems  Well water filtration systems  Wastewater tertiary filtration  Industrial filtration systems

Product Details

PHYSICAL PROPERTIES Specific Gravity : 2.5 – 2.80 Bulk Density : 1500 - 1600 kg/m3 Hardness : 5 - 7 Moh Scale Acid Solubility* : ≤ 2 % Colour : Mixed -- Attrition Loss** : Negligible % *24 hours in 10% HCl ** In 100 hours, backwashing CHEMICAL PROPERTIES SiO2 : ≥ 90% Fe2O3 : 0.05% - 0.10% Al2O3 : 0.50% - 1.0%
1. 3.15 – 1.70 mm 2. 6.70 - 3.15 mm 3. 12.50 - 6.70 mm 4. 19.00 - 12.50 mm 5. 25.0 – 16.0 mm * Other sizes are available on request
EN12904 / AWWA B100 - 16
Packed in 1.5 Ton flexible intermediate bulk containers (FIBC) or jumbo bags.

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Get In Touch with Ensyab

Address

ENSYAB INDUSTRIAL & WATER EQUIPMENT TRADING L.L.C Business Gate Centre | Ibn Batuta Gate Office | Jebel Ali 1 | Unit 1005 Level 10 P.O. Box 478550 | Dubai | U.A.E

Email

info@ensyaab.com

Phone

+971 4 5507824

FAX

+971 4 5507801

Ensyab