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Slotted Sand Filters
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FPB Slotted Sand Filters are designed to protect 5, 5A, 6, and 6B series electric submersible centrifugal pumps (ESP) and progressive cavity pumps (ESPCP).
The FPB filter is connected:
• to the bottom of the motor by means of a RPB disconnector, or
• to the bottom of the motor shroud by an adaptor.
A sand filter includes a housing, slotted filtering element, safety relief valve, liner tubing and centralizer.
FShch-MVB and FPB filters use universal filtering elements.
The safety relief valve directs fluid flow to pass over the filter when filter element capacity is reduced. The liner tubing is used to protect the safety relief valve by increasing fluid velocity and preventing solids deposition inside the filter.
FPB series filter can comprise different numbers of sections depending on the pump flow rate and filtering element slot width.
Corrosion-resistant FShch-MVB and FPBK-85 filters are available.
RPB Disconnector
The disconnector ensures fluid flow through the filter or solids separator due to sealed annulus.
It comprises tubes, nuts, seal spacers, adaptor, and seals.
The RPB disconnector is mounted to the motor base before the filter and solids separator.
The disconnector is available in three sizes and is selected to fit the casing diameter.
The seal’s outer diameter of the seal Dseal is adjusted based on actual inner diameter of the casing
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