... Double Disc Refiner/DD-450 for pulp machine/paper machine/pulp beating machine Product Details: DD series double disc refiner ... ~200160~250185~315Consistency(%)3~5KEY WORDS: pulp machine,paper machine,beating equipment,pulping equipment,paper equipment,pulp washing ... , single fiber separator, cylinder wire thickener, upflow pressure screen, disc thickener,twin wire press,disc heat dispersing system, ...