applications
Twenty-three types of membranes

Sheet Membrane

Sepro manufactures and sells twenty-nine types of membranes

• Five reverse osmosis (RO) membranes

• Four nanofiltration (NF) membranes

• One polysulfone (PS) ultrafiltration (UF) membrane

• Five poly(vinylidene fluoride) (PVDF) UF membranes

• Six polyacrylonitrile (PAN) UF membranes

• Five polyethersulfone (PES) UF membranes

• One PVDF MF membranes

• Four MBR membranes

The membranes are sold in sheet form or in spiral-wound elements. Sheet membranes are all available in rolls of dry membrane. While the standard roll size has a length of 250 m of membrane on a 1-m wide roll, other lengths and widths are readily available upon request.

Spiral-Wound Elements

Sepro offers standard and custom spiral elements for existing and new applications. Sepro manufactures spiral elements using its twenty-seven different types of membrane as well as with membranes provided to the company by its customers. Replacement standard elements are available for most competitive brands. The company welcomes the opportunity to work with customers to develop products for new applications. Since every application has specific needs, Sepro is able to draw from its diverse inventory of construction materials and designs to select the best spiral element choice.

E-Coat Housings and Systems

Sepro manufactures stainless steel UF systems for the automotive, industrial, and appliance markets. Sepro’s unique stainless steel UF systems incorporate true modular design. This design offers our customers maximum installation flexibility.

In addition, Sepro manufactures PVC and stainless steel housings for spiral elements.

In the future, Sepro will be introducing stainless steel alkaline recycling systems for use with the first stage cleaning tanks on pretreatment lines.


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4115 Avenida de la Plata, Oceanside, CA 92056 | Tel: 877-737-7676 | Fax: 760-630-9118