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The Double Duplex Bag Filter Housing is a premium filtration system designed for continuous operation in high-flow processes where uninterrupted filtration is critical. Featuring two independent filter chambers (duplex design), it allows one chamber to operate while the other is serviced, replacing contaminated filter bags without shutting down the system. This design maximizes uptime in industries such as oil and gas, chemical processing, and water treatment, where downtime translates to significant losses. The housing is engineered for high-efficiency particle removal, with a robust structure capable of handling high pressures and corrosive fluids.
Dual-Chamber Design: Each chamber houses multiple filter bags, and a manifold system with isolation valves enables seamless switching between chambers. This allows filter bag replacement or cleaning while the other chamber maintains full flow.
High Flow Capacity: Capable of processing up to 1000 m³/h (depending on bag configuration), the housing uses large-diameter filter bags (32" or 40") to minimize pressure drop and maximize dirt-holding capacity.
Robust Construction: Built from 316L stainless steel (standard) or alloy 22 for severe service, with polished welds and electro-polished interiors for hygiene or corrosion resistance. Flanged connections comply with ANSI, DIN, or JIS standards.
Pressure Balance System: A differential pressure gauge monitors each chamber's contamination level, signaling when a chamber needs maintenance. The design ensures equal flow distribution between chambers for balanced performance.
Versatile Bag Compatibility: Accepts all standard filter bag types, including felt, polypropylene, nylon, and conductive bags for electrostatic-sensitive applications.
Petroleum Refineries: Filters crude oil, gasoline, and lubricants to protect downstream equipment like valves and heat exchangers.
Power Generation: Cleans cooling water, steam condensate, and hydraulic oils in thermal and nuclear power plants.
Pulp and Paper: Removes fibers, pitch, and contaminants from process water and coatings, improving product quality and equipment life.
Marine Systems: Filters seawater for desalination plants, engine cooling systems, and ballast water treatment, meeting IMO regulations.
Q: How quickly can the system switch between chambers?
A: Manual switching takes less than 2 minutes using the isolation valves; automated actuators can reduce this to seconds for critical processes.
Q: What is the maximum operating pressure?
A: Standard models are rated for 16 bar (232 PSI); high-pressure versions (up to 40 bar/580 PSI) are available for industrial gas filtration.
Q: Can the housing be used with pleated filter elements?
A: While optimized for bag filters, adapter plates can be installed to use cartridge filters or hybrid elements in specific applications.
Q: Is insulation available for temperature-sensitive fluids?
A: Yes, the housing can be jacketed for heating/cooling or wrapped with insulation to maintain fluid temperatures within ±5°C.
The Double Duplex Bag Filter Housing is a premium filtration system designed for continuous operation in high-flow processes where uninterrupted filtration is critical. Featuring two independent filter chambers (duplex design), it allows one chamber to operate while the other is serviced, replacing contaminated filter bags without shutting down the system. This design maximizes uptime in industries such as oil and gas, chemical processing, and water treatment, where downtime translates to significant losses. The housing is engineered for high-efficiency particle removal, with a robust structure capable of handling high pressures and corrosive fluids.
Dual-Chamber Design: Each chamber houses multiple filter bags, and a manifold system with isolation valves enables seamless switching between chambers. This allows filter bag replacement or cleaning while the other chamber maintains full flow.
High Flow Capacity: Capable of processing up to 1000 m³/h (depending on bag configuration), the housing uses large-diameter filter bags (32" or 40") to minimize pressure drop and maximize dirt-holding capacity.
Robust Construction: Built from 316L stainless steel (standard) or alloy 22 for severe service, with polished welds and electro-polished interiors for hygiene or corrosion resistance. Flanged connections comply with ANSI, DIN, or JIS standards.
Pressure Balance System: A differential pressure gauge monitors each chamber's contamination level, signaling when a chamber needs maintenance. The design ensures equal flow distribution between chambers for balanced performance.
Versatile Bag Compatibility: Accepts all standard filter bag types, including felt, polypropylene, nylon, and conductive bags for electrostatic-sensitive applications.
Petroleum Refineries: Filters crude oil, gasoline, and lubricants to protect downstream equipment like valves and heat exchangers.
Power Generation: Cleans cooling water, steam condensate, and hydraulic oils in thermal and nuclear power plants.
Pulp and Paper: Removes fibers, pitch, and contaminants from process water and coatings, improving product quality and equipment life.
Marine Systems: Filters seawater for desalination plants, engine cooling systems, and ballast water treatment, meeting IMO regulations.
Q: How quickly can the system switch between chambers?
A: Manual switching takes less than 2 minutes using the isolation valves; automated actuators can reduce this to seconds for critical processes.
Q: What is the maximum operating pressure?
A: Standard models are rated for 16 bar (232 PSI); high-pressure versions (up to 40 bar/580 PSI) are available for industrial gas filtration.
Q: Can the housing be used with pleated filter elements?
A: While optimized for bag filters, adapter plates can be installed to use cartridge filters or hybrid elements in specific applications.
Q: Is insulation available for temperature-sensitive fluids?
A: Yes, the housing can be jacketed for heating/cooling or wrapped with insulation to maintain fluid temperatures within ±5°C.
