{"@context":"https://schema.org","@type":"TechArticle","id":"PR-FLD-001","slug":"fluidic-safety","canonical_url":"https://flavorotor.com/research/fluidic-safety","machine_readable_url":"https://flavorotor.com/research/data/chapters/fluidic-safety.json","markdown_url":"https://flavorotor.com/research/markdown/fluidic-safety","title":"Fluidic safety and maintenance","description":"Interlocks, priming, purge, leak control, stock identification, tube replacement and cleaning for the dosing subsystem.","chapter":"Nutrient dosing","version":"1.1","updated":"2026-07-26","table_of_contents":[{"id":"interlocks","label":"Mandatory interlocks"},{"id":"maintenance","label":"Tube lifecycle"},{"id":"cleaning","label":"Cleaning record"},{"id":"provenance","label":"FlavoRotor design provenance"}],"html":"<section aria-label=\"Article summary\" class=\"fr-article-summary\"><div><span>In brief</span><p>Interlocks, priming, purge, leak control, stock identification, tube replacement and cleaning for the dosing subsystem.</p></div></section><h2 id=\"interlocks\">Mandatory interlocks</h2>\n<div class=\"table-wrap\"><table><thead><tr><th>Condition</th><th>Automatic response</th></tr></thead><tbody><tr><td>Invalid or stale sensor</td><td>block feedback correction</td></tr><tr><td>Reservoir below minimum level</td><td>block concentrated stock dosing</td></tr><tr><td>Reservoir above maximum level</td><td>block water addition</td></tr><tr><td>Calibration expired</td><td>block volumetric automatic dosing</td></tr><tr><td>Maximum dose/runtime exceeded</td><td>stop channel and latch fault</td></tr><tr><td>Mixing delay active</td><td>block second feedback action</td></tr><tr><td>Stock mismatch</td><td>reject recipe execution</td></tr><tr><td>Cover/service state unsafe</td><td>disable pump motion where required</td></tr><tr><td>Communication loss</td><td>outputs return to defined safe state</td></tr><tr><td>Leak detected</td><td>stop all liquid actuators and alert</td></tr></tbody></table></div>\n<h2 id=\"maintenance\">Tube lifecycle</h2>\n<p>Tube service life is not published as a fixed 1,000-hour value unless validated for the exact tube, occlusion, fluid, speed and duty cycle. Replacement is triggered by calibrated-flow drift, visible damage, loss of occlusion, contamination risk or the validated service threshold.</p>\n<h2 id=\"cleaning\">Cleaning record</h2>\n<pre>cleaning_id, system_id, channel_id, cleaning_agent,\nconcentration, contact_time, rinse_volume, verification_method,\noperator, timestamp, next_allowed_fluid_class</pre>\n<h2 id=\"provenance\">FlavoRotor design provenance</h2><p>The system-specific configuration on this page is traced to the supplied FlavoRotor engineering records. <button aria-label=\"Open source record I03\" class=\"research-source-trigger\" data-research-source=\"I03\" type=\"button\">[I03]</button></p>","text":"In brief Interlocks, priming, purge, leak control, stock identification, tube replacement and cleaning for the dosing subsystem. Mandatory interlocks Condition Automatic response Invalid or stale sensor block feedback correction Reservoir below minimum level block concentrated stock dosing Reservoir above maximum level block water addition Calibration expired block volumetric automatic dosing Maximum dose/runtime exceeded stop channel and latch fault Mixing delay active block second feedback action Stock mismatch reject recipe execution Cover/service state unsafe disable pump motion where required Communication loss outputs return to defined safe state Leak detected stop all liquid actuators and alert Tube lifecycle Tube service life is not published as a fixed 1,000-hour value unless validated for the exact tube, occlusion, fluid, speed and duty cycle. Replacement is triggered by calibrated-flow drift, visible damage, loss of occlusion, contamination risk or the validated service threshold. Cleaning record cleaning_id, system_id, channel_id, cleaning_agent, concentration, contact_time, rinse_volume, verification_method, operator, timestamp, next_allowed_fluid_class FlavoRotor design provenance The system-specific configuration on this page is traced to the supplied FlavoRotor engineering records. [I03]","source_ids":["I03"],"visuals":[],"sources":[{"id":"I03","authors":"FlavoRotor project team","year":2026,"title":"FlavoRotor peristaltic pump technical record","publication":"Internal engineering record","doi":null,"url":"/research/peristaltic-pump","source_type":"internal primary record","relevance":"Documents CAD geometry, components, first-order equations, four-channel integration and the proposed calibration protocol.","verification":"Derived from the original FlavoRotor pump engineering package","verified_on":"2026-07-26","verification_status":"INTERNAL PRIMARY RECORD","verified_against":"Original internal project file and extracted media"}]}