High quality UK manufactured test sieves, together with complimentary particle size analysis equipment and accessories. Standard test sieves are available in frame diameters from 75 mm to 450 mm for European specifications. All Impact sieves are guaranteed to meet the applicable standard. Our sieves are manufactured to the highest standards. Seamless frames ensure a precise fit and superior quality. Specifications are adhered to for the diameter & depth of the frames & the materials & aperture sizes of the mesh or plate.