Simplex and Duplex Basket Filters
Simplex fabricated basket filters are designed for applications where temporary interruption of a process can be permitted for basket cleaning. They feature a recessed basket with lifting handle, seated on an internal ring. An under basket o-ring is present to ensure an excellent seal between the filter housing and basket.
Simplex basket filters are bolted lid, side entry vessels, with either a bottom or side outlet (Styles 2-8).
Fabricated basket filters can also be duplexed to enable continuous operation. The system consists of two strainers – one duty and one standby – interconnecting pipework and gear operated butterfly valves.
When the maximum acceptable differential pressure is reached across the duty filter, the flow can be switched to the other filter housing without disruption to the filtration process. The filter not in use can then be cleaned and prepared for use again.
The standard range of simplex and duplexed basket filters are available with up to 12”connections, and can be customised to meet specific requirements.Read more
Bespoke Stainless Steel Mesh Filters
Allied Filter Systems Ltd manufactures bespoke filters from stainless steel woven wire mesh or perforated plate. Example products include stainless steel mesh panels, filter baskets and discs cut to size. All items are precision manufactured to be dimensionally accurate and can be produced in small volumes as well as in larger batches. Finished articles range in size from just a few centimetres to several metres.
IBF Series Strainers (Inline Basket Filters)
IBF series fabricated strainers are the ideal solution for removing solid particles from a liquid stream. Applications include protection from debris of pumps, meters, valves, nozzles and heat exchangers. The IBF series features inline connections, enabling easy pipeline installation. Standard connection sizes are 1” to 12” flanged (ANSI or DN), with bigger vessels available on request. Fabricated strainers have a bolted lid fitted with a lifting handle and ½” vent valve.
Self Cleaning Filters
The liquid flows from the outside to the inside of a wedge wire screen and leaves the filter housing through the higher placed outlet. A seal is located between the lower placed inlet and the upper outlet, limiting any cross contamination between lower (dirty) side and upper (clean) side. Particles are retained on the outside of the screen and are continuously removed from the filter element by a flexible scraper blade. The contaminants are directed to the sump by a laminar flow in the filter and collected in the bottom section of the filter housing.