Small dimensions - Big performance The length and diameter of existing X-Flow elements were the starting point for the development of the new XF75 membrane element. While the outer dimensio...
Small dimensions - Big performance
The length and diameter of existing X-Flow elements were the starting point for the development of the new XF75 membrane element. While the outer dimensions have remained the same as the XF55 and XF64, the extra membrane surface area delivers a big performance boost.
The upcoming XF75 ultrafiltration (UF) membrane element looks exactly the same as the Pentair X-Flow XF64 and XF55 elements. However, the new membrane module, set to be launched in the coming months, is only the same on the outside.
The firm’s researchers and product developers have created a stronger membrane material that enables the fibre’s inner and outer diameters to be modified, which results is an impressive extension to 75 m2 of active membrane surface area.
Greater membrane surface area
According to the company, this latest innovation provides key advantages in terms of square metres of surface area in relation to element size.
In fact, by sticking with the existing element dimensions and increasing the total surface area to 75 m2, it has created a UF membrane element that has more membrane surface area per unit of weight or volume than the average of similar UF technologies available today. Bigger is not always better and by not increasing the element size means that handling the new XF75 element is just as easy as dealing with existing modules.
Internal workings redesigned
Compared with the familiar XF64 membrane element, the XF75 element achieves a 17% increase in membrane surface area.
Performance is further enhanced through a complete redesign of the internal workings of the element. To ensure the best possible hydraulics, the central permeate tube design has been optimised. In addition, new end-caps were designed to improve the flow of water from the elements to the system.
This latest element brings a cost-effective solution to new projects and also means that existing water treatment systems based on Pentair X-Flow Aquaflex and X-line technology can be given a significant performance boost within the same footprint.
Customers can also choose to reduce the number of elements and maintain the total membrane surface area. This means that the XF75 element provides the opportunity to retrofit and upgrade existing Pentair X-Flow Aquaflex or X-line systems in the simplest possible way. Although the membrane’s diameter has been modified, there is no change in pretreatment requirements.
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