{"product_id":"20lb-ansul-redline-cartridge-high-flow-corrosion-resistant-purple-k","title":"20LB Ansul Redline Cartridge (High Flow \u0026 Corrosion Resistant) (Purple K)","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eAnsul Red Line CR-HF-I-K-20-G-1 | 20 LB Corrosion Resistant High Flow Purple K Extinguisher\u003c\/title\u003e\n\u003cstyle\u003e\n  .product-section { max-width: 100%; margin: 2rem 0; font-family: Arial, sans-serif; color: #333; }\n  .accordion-item { border-bottom: 1px solid #ddd; }\n  .accordion-header { display: flex; justify-content: space-between; padding: 2rem 0; cursor: pointer; background: none; border: none; width: 100%; text-align: left; color: #333; }\n  .accordion-header:hover, .accordion-header:focus { color: #333; background: none; outline: none; }\n  .accordion-title { font-size: 1.5rem; font-weight: 500; }\n  .accordion-icon { font-size: 1.5rem; }\n  .accordion-item.active .accordion-icon { transform: rotate(180deg); }\n  .accordion-content { max-height: 0; overflow: hidden; }\n  .accordion-item.active .accordion-content { max-height: none; }\n  .accordion-content-inner { font-size: 1.4rem; line-height: 1.7; color: #555; padding-bottom: 2rem; }\n  .accordion-content-inner p { margin: 0 0 1rem 0; }\n  .accordion-content-inner ul { margin: 0 0 1rem 0; padding-left: 2rem; }\n  .accordion-content-inner li { margin-bottom: 0.4rem; }\n  .accordion-content-inner h3 { font-size: 1.4rem; font-weight: 600; color: #333; margin: 1.5rem 0 0.5rem 0; }\n  .specs-table { width: 100%; border-collapse: collapse; }\n  .specs-table th, .specs-table td { border: 1px solid #ddd; padding: 0.75rem 1rem; font-size: 1.4rem; text-align: left; }\n  .specs-table th { background-color: #f5f5f5; font-weight: 600; color: #333; }\n\u003c\/style\u003e\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n      \u003cp\u003eThe Ansul Red Line CR-HF-I-K-20-G-1 is a premium, cartridge-operated fire extinguisher engineered specifically for the most aggressive Class B and C fire scenarios in corrosive environments. In facilities where flammable liquids are handled under pressure — such as fuel loading racks, chemical refineries, and aircraft hangars — a standard flow rate is often insufficient to knock down a rapidly escalating flame front. This High Flow model is calibrated to discharge its Purple K agent at an accelerated rate, exceeding the one-pound-per-second delivery rate recommended for high-hazard fires.\u003c\/p\u003e\n      \u003cp\u003eBuilt as part of the Industrial series, this model features enhanced corrosion resistance, making it the definitive choice for offshore platforms and heavy manufacturing sites exposed to salt air and chemical vapor. The CR designation adds a corrosion-resistant finish over the standard polyester powder coat, with black anodized hardware throughout. By isolating the nitrogen propellant in an external cartridge, the Red Line system ensures the agent remains unpressurized and free-flowing during standby, eliminating the risk of gradual pressure loss.\u003c\/p\u003e\n      \u003ch3\u003eThe Science of High-Flow Suppression: Overcoming 3D Fire Dynamics\u003c\/h3\u003e\n      \u003cp\u003e\u003cstrong\u003e1. Mass Flow Rate Advantage\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eStandard extinguishers prioritize discharge duration. The HF designation means this unit is engineered to discharge its 20 lbs of agent rapidly. This high mass-flow rate is essential for pressure-fed fires where fuel may be leaking from an overhead pipe or running down a vertical surface. The high-velocity cloud overcomes thermal updrafts to deliver the agent directly to the fuel-air interface.\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003e2. Purple K (Potassium Bicarbonate) Kinetics\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003ePurple K is the most effective dry chemical agent for Class B flammable liquid fires. At a molecular level, it interferes with the free radicals in the fire's chemical chain reaction. Because this unit is High Flow, it delivers a higher concentration of this suppression chemistry per second than a standard 20 lb unit, providing near-instantaneous knockdown of volatile flames.\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003e3. Cartridge-Driven Fluidization\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eWhen the plunger is struck, the gas enters the bottom of the tank through a specialized nozzle, fluidizing the Purple K powder so it behaves like a liquid. This ensures a consistent discharge even if the unit has been subjected to constant vibrations on an industrial floor or service vehicle.\u003c\/p\u003e\n      \u003ch3\u003eThe Industrial Series Advantage: Engineered for Harsh Environments\u003c\/h3\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Coating:\u003c\/strong\u003e The tank is treated with a finish designed to withstand salt spray and chemical vapors, preventing the structural pitting that leads to failed inspection results in marine and coastal environments.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigh Flow Pressure Indicator Fill Cap:\u003c\/strong\u003e This specialized cap provides visual confirmation of readiness, allowing a fire technician to verify at a glance that the agent tank is not under accidental pressure.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eField-Serviceable Architecture:\u003c\/strong\u003e A technician can recharge the unit on-site in minutes — a significant logistical advantage for remote sites that cannot wait for off-site service.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eApplications and Use Cases\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n      \u003cp\u003eThe CR-HF-I-K-20-G-1 is the primary choice for high-risk zones where portable fire protection must be immediate:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFuel Storage and Loading Racks:\u003c\/strong\u003e Protecting manifold areas where pressure-fed fuel leaks are a credible hazard.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAircraft Hangars and Tarmacs:\u003c\/strong\u003e Providing the rapid knockdown required for aviation fueling fires.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eOil and Gas Refineries:\u003c\/strong\u003e The standard for offshore platforms where Purple K is required for its superior Class B performance and the CR finish addresses the salt air environment.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMarine Operations:\u003c\/strong\u003e USCG approved with the correct bracket, and the corrosion-resistant construction makes it ideal for engine rooms and deck areas in salt air environments.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n      \u003ctable class=\"specs-table\"\u003e\n        \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAnsul (A Johnson Controls Brand)\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eCR-HF-I-K-20-G-1\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eUnit Type\u003c\/td\u003e\n\u003ctd\u003eCartridge-Operated Hand Portable, High Flow, Corrosion Resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eAgent Type\u003c\/td\u003e\n\u003ctd\u003ePurple K (Potassium Bicarbonate) Dry Chemical\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eFire Classes\u003c\/td\u003e\n\u003ctd\u003eClass B and C\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e20 lbs (9.07 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL Listed, FM Approved, USCG Approved, NFPA 10 Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eCompliance and Safety\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n      \u003cp\u003eTo maintain NFPA 10 compliance and ensure your facility passes its fire inspection, the CR-HF-I-K-20-G-1 must follow a strict maintenance protocol:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMonthly Visual Inspection:\u003c\/strong\u003e Verify the activation plunger is in the up position and the safety seal on the cartridge is intact. Inspect the corrosion-resistant finish for chips or corrosion breakthrough. Confirm inspection tags are current.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAnnual Professional Maintenance:\u003c\/strong\u003e A certified technician can remove the fill cap to verify the agent's fluidity — a process significantly faster than stored-pressure unit teardowns.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCartridge Weight Verification:\u003c\/strong\u003e During every service, the gas cartridge must be weighed to ensure no propellant has leaked.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003e6-Year Internal Examination:\u003c\/strong\u003e Full internal inspection per NFPA 10 including agent removal and cylinder interior inspection.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003e12-Year Hydrostatic Test:\u003c\/strong\u003e Mandatory to verify the structural integrity of the steel pressure vessel.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n      \u003ch3\u003eWhere can I find service and genuine agent for High Flow Purple K units?\u003c\/h3\u003e\n      \u003cp\u003eVisit a specialized fire equipment store or an authorized Ansul dealer to ensure you receive the correct Purple K agent and nitrogen cartridges for this unit.\u003c\/p\u003e\n      \u003ch3\u003eCan I use this on a wood fire?\u003c\/h3\u003e\n      \u003cp\u003eNo. Purple K is a BC-only agent and is not rated for Class A fires. While it will knock down visible flames, it will not quench embers and re-ignition is likely. For environments with ordinary combustible exposure alongside flammable liquid hazards, specify the FORAY (ABC) version instead.\u003c\/p\u003e\n      \u003ch3\u003eHow do I operate this unit in an emergency?\u003c\/h3\u003e\n      \u003cp\u003eStrike the activation plunger firmly to pierce the nitrogen cartridge and pressurize the tank, then use the PASS method: Aim the high-velocity nozzle at the base of the fire, Squeeze the discharge lever, and Sweep from side to side across the base of the flames.\u003c\/p\u003e\n    \u003c\/div\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n  document.querySelectorAll('.accordion-header').forEach(h =\u003e h.addEventListener('click', function() { this.parentElement.classList.toggle('active'); }));\n});\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Ansul Red Line CR-HF-I-K-20-G-1 | 20 LB Corrosion Resistant High Flow Purple K Extinguisher\",\n  \"description\": \"Ansul Red Line 20 lb corrosion-resistant high-flow cartridge-operated extinguisher with Purple K agent. 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