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Dual-pot filter Desander,also knowns as wellhead sand separator, is a device used for testing with surface equipments to remove sand and other solid particles from oil and gas well effluent to prevent erosion of downstream equipment.It is a high pressure desander with anti-sulfur and anti-acid service,prolonging the service life of well testing euipments. It is mainly applied for the well cleanups of sand after fracturing and maximum sand-free rate tests. This filter is typically located at the flowhead downstream of SSV and upstream of the choke manifolds.Anti-sulfur Filter Desander seperates and remove solid particles on principles of centrifugal force and gravity. The effluents impact on the baffles and is refracted in all directions after entering to desander pot.Due to centrifugal force and gravity, solid particles settle to the bottom of the screen.The filtered liquid is discharged through the annular space between screens and desander pot.
High efficient wellhead desanding equipment.
Anti-sulfur and anti-acid.
Pneumatic hinge for screen lifting.
High-strength skid with crash frame for protection.
Have hanging points and noose.
Hard-surface brake valve and valve seat, anti-erosion tee joint for erosion protection.
Upstream solids removal and protection of downstream equipment.
Custom-made is available.
|Maximum working pressure||70MPa/ 105MPa|
Maximum working tempreature
|Minimum storage temperature||-50℃|
|The diameter of pots||Φ210mm|
|The volume of pots||≧46L|
|Gas processing capacity||≧1,500,000N lm³/d|
|Inlet and outlet dimension||2-9/16"|
|Inlet and Outlet Connection||Union or Flange|
|Sand cylinder||main desand cylinder and spare cylinder|
|Valve type||hard-surface brake valve|
|Union type||Anti-erosion tee joint|
Double isolation gate valves for inlet and outlet
Adjustable nozzle for sand outlet
|Design Codes||API-6A (PSL-3), ASME B31.3|