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The PSI 43-Bag Multi-Bag Filter Housing is a high-capacity horizontal vessel designed for the most demanding liquid filtration applications. Built from 304 stainless steel, this housing combines massive flow capacity with a compact horizontal design that simplifies bag changeouts and reduces height restrictions found in vertical systems.

Engineered with a bolted lid and heavy-duty basket clamps, the housing maintains secure sealing under pressure. With a 43-bag configuration, this unit handles up to 21,500 GPM at 150 PSI, making it the largest housing in the PSI ready-to-ship product line.

Key Features

• Material: 304 stainless steel

• Capacity: 43 × #2 size filter bags

• Flow Rate: Up to 21,500 GPM

• Pressure Rating: 150 PSI

• Connections: 12" ASME flanged inlet/outlet, 2" FNPT drain, ½" FNPT ports, ½" vent

• Construction: Horizontal design with bolted lid and basket clamps

• Surface Finish: Sand blast

• Weight: ~9,020 lbs

Typical Applications

• Municipal and industrial water treatment

• Bulk petrochemical and refinery process streams

• Large-scale food & beverage processing

• Paints, coatings, and adhesives at industrial volume

• High-flow industrial process liquid filtration