These ring filter bags are used in open and closed filter systems. If situated in the housing, the flexible plastic collar provides a reliable chemical resistant seal to the housing.
The bag offers a wellded construction which avoids any kind of bypass. The integrated bag handles enable an easy and tool-free exchange of the bag. Needle-felt textile consists of a 3-dimensional filter structure. The filtering properties can be found at the surface and in the deepness. The multitude of pores conditioned by the 3-dimensional structure offers a high solig loading effect together with high flow rates.
Polypropylene needle-felt can be used up to temperatures of 90 degrees Celsius, Polyester needle-felt is good for temperatures up to 150 degrees celsius.