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              Plastic Filter Housings

From aggressive chemical filtration to low flow applications, contact us for off-the-shelf and custom fabricated plastic bag and cartridge housings. Materials such as Polypropylene,  PVC, and CPVC are available to handle applications including water filtration, caustic chemical and solvent filtration, i.e. sulfuric acid, and many others.

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Bag Housings

This glass reinforced polypropylene bag filter vessel features a unique, one piece, seamless body rated at 225 psi.
This filter housing was designed for easy service. A hand removable cover and built-in basket makes bag change-out fast and easy. The external cover threads are not in contact with the process media eliminating the need for cleaning each time the filter bag is changed.
Comes in single and double lengths (size 1 and size 2)
I/O: 2” NPT (2” flange now available as well)

Plastic Bag Housing Brochure (pdf 80 kb)


Single & Multi Cartridge Vessels

bulletNon-metallic solution contact
bulletCPVC or PVC construction
bulletEPDM elastomers, standard Viton® or Hypalon®, optional
bulletHeavy duty construction
bulletPressure ratings to 70 PSI. Positive "O"-ring seal at base prevents leaking
bulletStainless steel external hardware
bullet0-60 PSI pressure gauge with gauge guard and vent valve
bulletVariety of sizes are available from 1 to 60 - 10" cartridge capacity (or equivalent 20", 30", or 40" lengths)
bulletEasy service swing bolt cover closure with tee handles – no tools required
bulletPort size 1˝" BSP, flange, socket available drain ports for influent & effluent

Inline Cartridge Housings


Liquid Cartridge Housings

3G® Cartridge Housings feature unique and innovative 3G® design. This patented design features integral brackets, 10-inch or 20-inch length, clear housings, and caps for differential pressure gauges. Polypropylene construction offers excellent chemical compatibility.



Download Brochure: 183 kb PDF File

High Temp Plastic Housings: 167 PDF File

All Polypropylene Model: 144 kb PDF File



Big Blue®/Big Clear Liquid Cartridge Housings

Big Blue® and Big Clear Filter Housings offer the versatility to meet larger capacity filtration needs. This reduces the number of housings required for high-flow applications.


bullet Heavy Sediment Applications
bullet High-Flow Applications

Download Brochure: 166 kb PDF File


 Viton® is a registered trademark of DuPont Performance Elastomers.


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Pyramid Technologies, Inc.
467 Forrest Park Cir   Franklin, TN 37064
Phone: 615-599-4190       Fax: 615-523-1701