Backflushing High Pressure Filters (RFH)
The backflushing high pressure RFH filter is an easy-to-operate backflushing filter for water-based fluids at operating pressures of up to 5076 psi (350 bar). The main application of this filter is to protect shield hydraulics in mining. However, other applications are possible, such as, in the rotary valve hydraulics of pumped storage hydrostations, paint filtration or the protection of high pressure nozzles. Three sizes are available and flow rates of up to 210 gpm (800 L/ min) can be achieved.
Backflushing is carried out manually using switch levers. To some extent the filters can also be controlled electrohydraulically or purely hydraulically. Robust filter materials in stainless steel are available, such as slotted tube or multi-layered wire mesh.
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