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Seawater Spirals

500 Gallons Per Day (GPD) to 2000 GPD Seawater spirals are available in a variety of sizes and flow capacities as replacement membranes for most seawater yacht and small to mid-size reverse osmosis desalination. Meets any US manufacturer’s specifications, including hard to find 3.0” diameter sea water membranes.

Seawater Spirals
Seawater Spirals

Residential Spirals

9 Gallons Per Day (GPD) to 150 GPD Residential spirals are available in a large variety of standard flow capacities and custom styles to work in new installations and as exchange elements for established systems. The most common configuration is our Model T112N for systems requiring NSF / ANSI Standard 58 certification and T112 for added economy without loss of performance or quality where certification is not required. We offer Thin Film Composite (TFC) membrane elements (9-100 GPD). Maximizing capacity and convenience are the encapsulated disposable elements. Productivities as high as 150 GPD or the equivalent of any of our exchange elements can be made into self-contained disposable modules.

Residential Spirals
Seawater Spirals

Commercial Spirals

1800 Gallons Per Day (GPD) to 4000 GPD Commercial spirals are available in a variety of standard flow capacities and standard sizes to work in new installations and as exchange elements for established systems. The most common configurations are our Model T4040, 4" nominal diameter by40" long, and T2540, 2.5" nominal diameter by 40"long. Besides Thin Film Composite (TFC) membrane elements, we also manufacture Brackish Water, Low Energy, and Cellulose Triacetate (CTA) elements with tape outer-wraps or fiberglass shells when required. A full range of competitively priced elements is available.

Commercial Spirals
Seawater Spirals

Custom Spirals

150 Gallons Per Day (GPD) to 4000 GPD Custom spirals are available in a variety of flow capacities and sizes to work in new installations and as exchange elements for established systems. Two common configurations are our Model T2026, 2"nominal diameter by 26" long, and T2525D, 2.5" nominal diameter by 25" long. Besides Thin Film Composite (TFC) membrane elements, we also manufacture Nanofiltration elements in two types of membrane that have approximately 50% rejection and 85-90% rejection. We assist in the design of elements to fit non-standard housings from 2" diameter to 6" diameter.

Custom Spirals