PE-Xa

Media supply for permeate and concentrate

Avoiding a biofilm is essential. Relevant criteria for preventing a biofilm is the hydraulic design, the selection of pipe material and optimal pressure and flow conditions as well as connections to the media supply system. 

DWA offers pexa ring main systems.The use of PE-Xa(peroxidic cross-linked polyethylene) has proven itself over many years in the field of chemical-pharmaceutical industry. In the field of dialysis PE-Xa is also used by DWA since more than 15 years and has replaced in many cases PVC and stainless steel. 
The excellent long-term process of the material as well as the safe and almost dead-zone free processing and laying are still unsurpassed and make PE-XA the material of choice. 

Seamless laying without fittings ensures a quick, safe and economical laying. 
Resistance compared with chemical and the thermal capacity enables a timely heat disinfection of the ring main and allows for highest possible microbiological safety. With regular heat disinfection in combination with our product HDS or nephRO SAFE, this pipe system has a proven quality regarding reliability, safety and microbiology.

Pressure, temperature and ageing resistance  

Smooth surface  

Flexible laying technology  

Low pipe friction loss  

Low thermal conductivity  

Heat-disinfectable

Chemical resistance

Neutral taste and odor

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Our expertise in water treatment covers all aspects from the pre-treatment stages through reverse osmosis, ultrafiltration and heat-disinfection systems, right up to appealing and modern media supply panels.