Dubai, United Arab Emirates
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PRINCIPLE OF OPERATION The Dual Pot Sand Filter is designed to remove solid particles from well effluent. Located after the flowhead, it protects downstream equipment against erosion. The 2-SF (2 – Stage Filtration) dual pot sand filter offers many advantages when compred to conventional models: The first stage filtration is achieved by centrifugal separation whilst the second stage filtration employs an advanced removable screen to perform a mechanical cut-out. The vessels are fitted with a removable wear sleeve and the necessary nozzles for flushing with water. As the fluid fows from outside to inside the screen, the flow area is not obstructed by the sand accumulation, provinding a longer operating time compared to competitors. Configuration Dual pot layout in 10′ skid footprint. 3 1/16″ 9-Valve process manifold including by-pass. 2 1/16″ Drain manifold with 1″ orifice adjustable choke. 2″ 10K Flushing system with 1 13/16″ ball valves for reverse flow cleaning as an option. Removable wear sleeve to protect the body against erosion. Removable screen in different cutout sizes. DP gauge 0-1500 psi (electronic transmitter as an option). Pressure gauge on inlet, outlet and each pot Tool box Process and Design Data Suitable to H2S service per NACE MR01-75 standards. API6A and API14E for erosion limiting velocities. DNV 2.7.1 certified skid. CE Marking and PED compliance in option. Multiphase flow applications 5000 bbl/d liquid flowrate x 35 MMscf/d gas flowrate 10000 psi Pressure Rating. 200-micron standard cutout (50 to 800-micron available) Main Advantages Compared to a Conventional Unit Longer flowing time between pot switchover operations Quicker screen changeout operation Higher admissible differential pressure Slowest screen plugging with swirling flow Less frequent or no screen removal with reverse flushing Transportation in its operating position (safer handling) Erosion protection of the body near the pot inlet Ergonomic layout with process valves on same side Easier circulation around the skid that improves safety More compact rig-up and easier instrallation onto a trailer
Flow Test Equipment