These perforated plastic tubes normally used as inner cores for candle filters are available in dimensions between 10 and 275 mm diameter. They may be cut to any required length and are variable during production in parameters such as material, diameter, wall thickness, strand distance and hole size. It should also be possible to supply these tubes not only in round but also in triangular, rectangular or elliptical shape.
Alternative products are similar, but in lay-flat versions instead of tubular shape. This flat sheet material is used as a support for filters and can be supplied in a variety of different shapes and sizes. The filter tubes are available threaded or flanged at one end and a seal at the other and also with a filtersheath cover, converting these tubes to complete filter elements.
Norddeutsche Seekabel
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Further information cpp-206
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