{"id":108871,"date":"2026-09-23T13:31:53","date_gmt":"2026-09-23T11:31:53","guid":{"rendered":"https:\/\/www.panizzolo.com\/?page_id=108871"},"modified":"2026-09-23T13:39:11","modified_gmt":"2026-09-23T11:39:11","slug":"prerefine-450","status":"publish","type":"page","link":"https:\/\/www.panizzolo.com\/en\/recycling-solutions\/recycling-machines\/prerefine-hammer-mills\/prerefine-450\/","title":{"rendered":"PreRefine 450"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;2&#8243; top_padding=&#8221;4&#8243; bottom_padding=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; uncode_shortcode_id=&#8221;247074&#8243;][vc_column column_width_percent=&#8221;73&#8243; position_horizontal=&#8221;left&#8221; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; css_animation=&#8221;left-t-right&#8221; width=&#8221;1\/1&#8243;][vc_custom_heading text_color=&#8221;color-170105&#8243; heading_semantic=&#8221;h1&#8243; text_size=&#8221;h1&#8243; uncode_shortcode_id=&#8221;204090&#8243; text_color_type=&#8221;uncode-palette&#8221;]PreRefine 450[\/vc_custom_heading][\/vc_column][\/vc_row][vc_row row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;2&#8243; top_padding=&#8221;2&#8243; bottom_padding=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; content_parallax=&#8221;0&#8243; uncode_shortcode_id=&#8221;175193&#8243;][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; css_animation=&#8221;bottom-t-top&#8221; width=&#8221;1\/2&#8243; uncode_shortcode_id=&#8221;823080&#8243;][vc_column_text uncode_shortcode_id=&#8221;208624&#8243;]Designed for flexibility and efficiency, the PreRefine 450 hammer mill grinds scrap and liberates the metals contained in medium- and small-sized material, preparing it for subsequent separation, recovery or refining stages.[\/vc_column_text][\/vc_column][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; override_padding=&#8221;yes&#8221; column_padding=&#8221;2&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; css_animation=&#8221;bottom-t-top&#8221; width=&#8221;1\/2&#8243;][\/vc_column][\/vc_row][vc_row row_height_percent=&#8221;55&#8243; back_image=&#8221;108697&#8243; back_position=&#8221;center center&#8221; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; content_parallax=&#8221;0&#8243; uncode_shortcode_id=&#8221;100618&#8243; row_height_pixel=&#8221;400&#8243;][vc_column width=&#8221;1\/1&#8243;][\/vc_column][\/vc_row][vc_row row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;2&#8243; top_padding=&#8221;3&#8243; bottom_padding=&#8221;1&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; content_parallax=&#8221;0&#8243; uncode_shortcode_id=&#8221;118519&#8243;][vc_column width=&#8221;1\/1&#8243;][vc_row_inner][vc_column_inner width=&#8221;1\/1&#8243;][vc_custom_heading text_color=&#8221;color-170105&#8243; css_animation=&#8221;left-t-right&#8221; uncode_shortcode_id=&#8221;587864&#8243; text_color_type=&#8221;uncode-palette&#8221;]What sets apart the PreRefine 450 hammer mill[\/vc_custom_heading][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;2&#8243; top_padding=&#8221;3&#8243; bottom_padding=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; content_parallax=&#8221;0&#8243; uncode_shortcode_id=&#8221;562587&#8243;][vc_column column_width_percent=&#8221;80&#8243; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/1&#8243; uncode_shortcode_id=&#8221;118200&#8243;][vc_row_inner][vc_column_inner width=&#8221;1\/4&#8243;][uncode_counter value=&#8221;55&#8243; counter_color=&#8221;color-170105&#8243; weight=&#8221;600&#8243; text=&#8221;electric motor power&#8221; uncode_shortcode_id=&#8221;189921&#8243; suffix=&#8221;kW&#8221; counter_color_type=&#8221;uncode-palette&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][uncode_counter value=&#8221;6&#8243; counter_color=&#8221;color-170105&#8243; weight=&#8221;600&#8243; text=&#8221;productivity (up to)&#8221; uncode_shortcode_id=&#8221;177803&#8243; suffix=&#8221;ton\/h&#8221; counter_color_type=&#8221;uncode-palette&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][uncode_counter value=&#8221;5.500&#8243; counter_color=&#8221;color-170105&#8243; weight=&#8221;600&#8243; text=&#8221;machine weight&#8221; uncode_shortcode_id=&#8221;167711&#8243; counter_color_type=&#8221;uncode-palette&#8221; suffix=&#8221;kg&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][uncode_counter value=&#8221;n.20-3,5kg\/cad&#8221; counter_color=&#8221;color-170105&#8243; weight=&#8221;600&#8243; text=&#8221;hammers: amount and weight&#8221; uncode_shortcode_id=&#8221;766724&#8243; counter_color_type=&#8221;uncode-palette&#8221;][\/vc_column_inner][\/vc_row_inner][vc_empty_space empty_h=&#8221;1&#8243;][\/vc_column][\/vc_row][vc_row unlock_row_content=&#8221;yes&#8221; row_height_percent=&#8221;35&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;0&#8243; top_padding=&#8221;2&#8243; bottom_padding=&#8221;2&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; uncode_shortcode_id=&#8221;142032&#8243;][vc_column width=&#8221;1\/6&#8243;][\/vc_column][vc_column column_width_percent=&#8221;100&#8243; position_horizontal=&#8221;right&#8221; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;5\/6&#8243; uncode_shortcode_id=&#8221;189264&#8243;][vc_single_image media=&#8221;108778&#8243; media_width_percent=&#8221;100&#8243; alignment=&#8221;right&#8221; uncode_shortcode_id=&#8221;163721&#8243;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/1&#8243;][vc_row_inner][vc_column_inner width=&#8221;1\/1&#8243;][vc_custom_heading text_color=&#8221;color-170105&#8243; css_animation=&#8221;left-t-right&#8221; uncode_shortcode_id=&#8221;323830&#8243; text_color_type=&#8221;uncode-palette&#8221;]Key strengths[\/vc_custom_heading][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;6&#8243; top_padding=&#8221;2&#8243; bottom_padding=&#8221;2&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; uncode_shortcode_id=&#8221;120717&#8243;][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; css_animation=&#8221;bottom-t-top&#8221; width=&#8221;1\/1&#8243; uncode_shortcode_id=&#8221;384589&#8243;][vc_row_inner row_inner_height_percent=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; uncode_shortcode_id=&#8221;181704&#8243;][vc_column_inner column_width_percent=&#8221;90&#8243; position_horizontal=&#8221;right&#8221; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/4&#8243; uncode_shortcode_id=&#8221;184358&#8243;][vc_custom_heading text_color=&#8221;color-170105&#8243; heading_semantic=&#8221;h4&#8243; text_font=&#8221;font-195077&#8243; text_size=&#8221;h4&#8243; uncode_shortcode_id=&#8221;162151&#8243; text_color_type=&#8221;uncode-palette&#8221;]Material recovery[\/vc_custom_heading][\/vc_column_inner][vc_column_inner column_width_percent=&#8221;80&#8243; position_horizontal=&#8221;left&#8221; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;3\/4&#8243; uncode_shortcode_id=&#8221;602111&#8243;][vc_column_text uncode_shortcode_id=&#8221;173549&#8243;]The grinding process is focused on output quality and on liberating the different fractions contained in the material. Effective preparation facilitates subsequent refining and granulation operations.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner row_inner_height_percent=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; uncode_shortcode_id=&#8221;181704&#8243;][vc_column_inner column_width_percent=&#8221;90&#8243; position_horizontal=&#8221;right&#8221; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/4&#8243; uncode_shortcode_id=&#8221;184358&#8243;][vc_custom_heading text_color=&#8221;color-170105&#8243; heading_semantic=&#8221;h4&#8243; text_font=&#8221;font-195077&#8243; text_size=&#8221;h4&#8243; uncode_shortcode_id=&#8221;308789&#8243; text_color_type=&#8221;uncode-palette&#8221;]Processing flexibility[\/vc_custom_heading][\/vc_column_inner][vc_column_inner column_width_percent=&#8221;80&#8243; position_horizontal=&#8221;left&#8221; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;3\/4&#8243; uncode_shortcode_id=&#8221;602111&#8243;][vc_column_text uncode_shortcode_id=&#8221;158158&#8243;]<\/p>\n<p data-pm-slice=\"1 1 []\">Thanks to the option of installing different screen kits, the PreRefine 450 can be configured according to the material being processed and the required output size. This versatility makes it possible to adapt the degree of grinding to specific process requirements and handle different types of scrap.<\/p>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner row_inner_height_percent=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; uncode_shortcode_id=&#8221;181704&#8243;][vc_column_inner column_width_percent=&#8221;90&#8243; position_horizontal=&#8221;right&#8221; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/4&#8243; uncode_shortcode_id=&#8221;184358&#8243;][vc_custom_heading text_color=&#8221;color-170105&#8243; heading_semantic=&#8221;h4&#8243; text_font=&#8221;font-195077&#8243; text_size=&#8221;h4&#8243; uncode_shortcode_id=&#8221;203824&#8243; text_color_type=&#8221;uncode-palette&#8221;]Controlled feeding[\/vc_custom_heading][\/vc_column_inner][vc_column_inner column_width_percent=&#8221;80&#8243; position_horizontal=&#8221;left&#8221; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;3\/4&#8243; uncode_shortcode_id=&#8221;602111&#8243;][vc_column_text uncode_shortcode_id=&#8221;909273&#8243;]<\/p>\n<p data-pm-slice=\"1 1 []\">The PreRefine 450 uses a hydraulic pusher to feed material into the hammer mill in a controlled manner and optimize processing. The software automatically manages pusher movement, adjusting the feed rate according to operating conditions.<\/p>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner row_inner_height_percent=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; uncode_shortcode_id=&#8221;181704&#8243;][vc_column_inner column_width_percent=&#8221;90&#8243; position_horizontal=&#8221;right&#8221; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/4&#8243; uncode_shortcode_id=&#8221;184358&#8243;][vc_custom_heading text_color=&#8221;color-170105&#8243; heading_semantic=&#8221;h4&#8243; text_font=&#8221;font-195077&#8243; text_size=&#8221;h4&#8243; uncode_shortcode_id=&#8221;129567&#8243; text_color_type=&#8221;uncode-palette&#8221;]Compatible accessories[\/vc_custom_heading][\/vc_column_inner][vc_column_inner column_width_percent=&#8221;80&#8243; position_horizontal=&#8221;left&#8221; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;3\/4&#8243; uncode_shortcode_id=&#8221;602111&#8243;][vc_column_text uncode_shortcode_id=&#8221;187981&#8243;]The PreRefine 450 can be combined with a range of accessories to meet different production requirements. The machine can also be integrated with the Panizzolo refining plant, creating a complete processing configuration aligned with specific recovery targets.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/1&#8243;][vc_empty_space empty_h=&#8221;2&#8243;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/1&#8243;][uncode_block id=&#8221;98938&#8243;][\/vc_column][\/vc_row][vc_row unlock_row_content=&#8221;yes&#8221; row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;0&#8243; top_padding=&#8221;4&#8243; bottom_padding=&#8221;4&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; uncode_shortcode_id=&#8221;499896&#8243;][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/6&#8243;][\/vc_column][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; css_animation=&#8221;right-t-left&#8221; width=&#8221;5\/6&#8243;][vc_gallery el_id=&#8221;gallery-611771&#8243; type=&#8221;carousel&#8221; medias=&#8221;108786,108723,108793,108730,108800&#8243; carousel_lg=&#8221;2&#8243; carousel_md=&#8221;2&#8243; carousel_sm=&#8221;2&#8243; thumb_size=&#8221;three-two&#8221; gutter_size=&#8221;3&#8243; carousel_interval=&#8221;3000&#8243; carousel_navspeed=&#8221;400&#8243; carousel_loop=&#8221;yes&#8221; carousel_dots=&#8221;yes&#8221; stage_padding=&#8221;40&#8243; single_overlay_opacity=&#8221;50&#8243; single_padding=&#8221;2&#8243; uncode_shortcode_id=&#8221;410577&#8243;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/1&#8243;][vc_single_image media=&#8221;108677&#8243; media_width_percent=&#8221;100&#8243; uncode_shortcode_id=&#8221;828344&#8243;][\/vc_column][\/vc_row][vc_row row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;2&#8243; top_padding=&#8221;3&#8243; bottom_padding=&#8221;4&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; content_parallax=&#8221;0&#8243; uncode_shortcode_id=&#8221;598087&#8243;][vc_column width=&#8221;1\/1&#8243;][vc_row_inner row_inner_height_percent=&#8221;0&#8243; back_color=&#8221;color-125384&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; uncode_shortcode_id=&#8221;365358&#8243; back_color_type=&#8221;uncode-palette&#8221;][vc_column_inner column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/2&#8243; uncode_shortcode_id=&#8221;161074&#8243;][vc_single_image media=&#8221;108808&#8243; media_width_percent=&#8221;100&#8243; uncode_shortcode_id=&#8221;112681&#8243;][\/vc_column_inner][vc_column_inner column_width_percent=&#8221;82&#8243; position_vertical=&#8221;middle&#8221; gutter_size=&#8221;3&#8243; override_padding=&#8221;yes&#8221; column_padding=&#8221;2&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/2&#8243; uncode_shortcode_id=&#8221;185018&#8243;][vc_custom_heading uncode_shortcode_id=&#8221;210958&#8243;]Want to know more about the 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