Since 1982

Composite Concepts has been producing high quality pressure vessels for the water quality industry.

Welcome to Our Site

Composite Concepts has over twenty years of experience supplying the water purification industry with superior membrane housings. All of our fiberglass pressure vessels are filament wound in house. We also have a full and modern machine shop that includes CNC lathes and CNC milling centers, which allow us to manufacture all vessel components. This ensures absolute control over the quality of our product.

2S Vessel

The 2S pressure vessel is designed for use as a sea water RO filter housing

Model No. (L) Length of vessel - port to port Element Capacity
2S-2521 25.75 inches One 21" membrane element
2S-2540 44.75 inches One 40" membrane element
4S Vessel

The 4S pressure vessel is designed for use as a sea water RO filter housing.

Model (L) Length of vessel Number of 40 inch membrane elements
4S-1D 45.25 inches One 40" membrane with standard 0.75 pwt
4S-2D 85.25 inches Two 40" membranes with standard 0.75 pwt