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Gravity Sand Filter and Strainer

Valve & Allied cc

Valve & Allied CC was established in June 1984 with the specific goal of developing, manufacturing and marketing a robust and efficient screen type automatic water filter. Later, the product range was extended to include gravity sand filters, moving bed sand filters, clarifiers and continuous cleaning fine screen filters to provide a more complete solution to problems caused by suspended solids.

All of these filters have been installed worldwide in the industrial, petrochemical, municipal and mining sectors with excellent results.

Valve & Allied also undertakes complete turnkey projects incorporating design, manufacture, supply, installation and commissioning. Successful projects have been completed as far afield as Mauritius and Mali.

Valve & Allied manufactures and markets the AGF gravity sand filters. The self cleaning valveless autonomous gravity sand filter consists of a 3-compartment vertical steel tank and operates entirely without any outside energy supply, whereby water is purified solely through the process of sand filtration. Backwashing occurs on the loss-of-head principle and eliminates the human error factor - all operations, including backwashing are determined and controlled by the filter itself.

The Kleerflo water filter/strainer is a self-cleaning water filter for use in a broad range of applications including, but not limited to, cooling towers, heat exchangers, refrigeration systems, wire drawing, and mineral processing. The Kleerflo is light and compact and can be installed in any orientation and is thus particularly suitable for retrofitting in established plants.

The Kleerflo's uniqueness lies in its uncomplicated design and few moving parts that not only makes it virtually maintenance free but also allows for an upgrading in design to accommodate a wide range of specific applications. It can withstand high pressures and will not jam if unusually large solids or unexpected surges in dirt loads are encountered.

The Girosand is a continuously operating sand filter. Availability is maximised by eliminating the need to take the unit out of service for backwashing, the sand being cleaned continuously by means of a simple washing system. There are no storage tanks, pumps or automatic valves; thus operation is straightforward and reliable. The filter has no moving parts. The Girosand delivers filtrate of a uniformly high quality and is also designed to purify highly contaminated waters

The gravity filter was developed for the filtration of water that is not suited to the use of conventional screen or sand filters. Its operation makes it very suitable for the filtration of raw water containing large quantities of organic or fibrous material.

A range of conical bottom clarifiers with either concrete shell with steel internals, or fully steel construction, depending on diameter, are available in sizes to compliment our range of AGF autonomous gravity sand filters.

Valve & Allied supplies the following products:
  • Automatic Water Filters
  • Cartidge Housings
  • Clarifiers
  • Cone-bottomed Filters
  • Conical Bottom Clarifiers
  • Continuous Cleaning Fine Screen Filters
  • Filter and Strainers
  • Filter Housing Manufacturer
  • Filter Housing Supplier
  • Filter Housings
  • Filter Housings : Bag Filter Housing
  • Filters : Bag Water Filters
  • Filters : Self Cleaning
  • Fine Screen Filters
  • Fully Automatic Backwashing Filters
  • Fully Automatic Backwashing Strainers
  • Fully Automatic Gravity Sand Filters
  • Fully Automatic Self-cleaning Filters
  • Fully Automatic Self-cleaning Strainers
  • Gravity Filters
  • Gravity Sand Filters
  • In Line Strainers
  • Industrial Sand Filter
  • Industrial Strainers
  • Inline Filters
  • In-line Filters
  • Inline Strainers
  • Moving Bed Sand Filters
  • Sand Filters
  • Sand Filters : Automatic
  • Screen Filters : Self Cleaning
  • Self Cleaning Strainers
  • Self Cleaning Valveless Autonomous Gravity Sand Filters
  • Self Cleaning Water Filters
  • Stainless Steel Filter Housings
  • Stainless Steel Strainers
  • Strainers
  • Strainers : Basket Strainer
  • Strainers : Cartidge Strainer
  • Strainers : Cone Strainer
  • Strainers : Filter and Strainer
  • Strainers : Plate Type Strainer

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