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sandra xu Haixing wedge wire screen give continuous slot openings that widen inwardly. This makes the screen self-cleaning by allowing "near slot size" particles to pass through the screen rather than plug the opening. And the products are made by continuously winding a wrap wire onto a frame of support rods. This is done on precision built, electronically controlled machinery which ensures consistently high strength, precise slot openings and product durability. HAIXING manufacture candles for precoat filters especially for beer process These filter candles with a diameter from 27 to 38 mm and a length from 1000 to 2000 mm have slot openings from 30 micron to 60 micron. The Filtration is carried out with a precoat made of earth (kiesselgur). The cake grown on the filter candles is then removed with a backwash.
