{"title":"Pyro-Chem Monarch Assemblies","description":"","products":[{"product_id":"pulley-elbow-shipping-assembly-single","title":"Set Screw Pulley Elbow Shipping Assembly (Single, 415670)","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 Set Screw Pulley Elbow | Part No. 415670 | OEM Actuation Series\u003c\/title\u003e\n\u003cstyle\u003e\n  .product-section {\n    max-width: 100%;\n    margin: 2rem 0;\n    font-family: Arial, sans-serif;\n    color: #333;\n  }\n  .accordion-item {\n    border-bottom: 1px solid #ddd;\n  }\n  .accordion-header {\n    display: flex;\n    justify-content: space-between;\n    padding: 2rem 0;\n    cursor: pointer;\n    background: none;\n    border: none;\n    width: 100%;\n    text-align: left;\n    color: #333;\n  }\n  .accordion-header:hover,\n  .accordion-header:focus {\n    color: #333;\n    background: none;\n    outline: none;\n  }\n  .accordion-title {\n    font-size: 1.5rem;\n    font-weight: 500;\n  }\n  .accordion-icon {\n    font-size: 1.5rem;\n  }\n  .accordion-item.active .accordion-icon {\n    transform: rotate(180deg);\n  }\n  .accordion-content {\n    max-height: 0;\n    overflow: hidden;\n  }\n  .accordion-item.active .accordion-content {\n    max-height: none;\n  }\n  .accordion-content-inner {\n    font-size: 1.4rem;\n    line-height: 1.7;\n    color: #555;\n    padding-bottom: 2rem;\n  }\n  .accordion-content-inner p {\n    margin: 0 0 1rem 0;\n  }\n  .accordion-content-inner ul {\n    margin: 0 0 1rem 0;\n    padding-left: 2rem;\n  }\n  .accordion-content-inner h3 {\n    font-size: 1.4rem;\n    font-weight: 600;\n    color: #333;\n    margin: 1.5rem 0 0.5rem 0;\n  }\n  .specs-table {\n    width: 100%;\n    border-collapse: collapse;\n  }\n  .specs-table th,\n  .specs-table td {\n    border: 1px solid #ddd;\n    padding: 0.75rem 1rem;\n    font-size: 1.4rem;\n    text-align: left;\n  }\n  .specs-table th {\n    background-color: #f5f5f5;\n    font-weight: 600;\n    color: #333;\n  }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n  \u003c!-- Section 1: Product Overview --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003cp\u003eThe Ansul Set Screw Pulley Elbow (415670) is a precision-engineered mechanical component designed to facilitate seamless 90-degree directional changes in ANSUL AUTOMAN detection and actuation cable lines. In a commercial kitchen hood, fire suppression cables must navigate a complex landscape of exhaust ducts, structural steel, and appliance headers. The 415670 provides the low-friction pivot point required to redirect these cables without inducing the parasitic drag or cable sawing that can disable a fire suppression system.\u003c\/p\u003e\n        \u003cp\u003eManufactured with a durable cast body and featuring a secure set-screw mounting interface, this assembly is built for the high-vibration, high-heat environments of professional cooking lines. It is an essential zero-failure component for ensuring that the tension drop from a melted fusible link or the manual pull of a station is transmitted instantaneously to the release mechanism. For fire protection professionals, the 415670 is the industry standard for maintaining the kinetic integrity and code-compliant routing of any Ansul fire suppression network.\u003c\/p\u003e\n\n        \u003ch3\u003eMitigating Kinetic Friction\u003c\/h3\u003e\n        \u003cp\u003eEvery time a stainless steel cable turns a corner, it generates friction. In fire suppression, excessive friction can lead to a dead pull, where the line breaks but the cable does not move far enough to trip the control head. The 415670 utilizes a precision-machined internal pulley wheel that rolls with the cable, converting sliding friction into rolling friction and significantly reducing mechanical resistance compared to static conduit bends.\u003c\/p\u003e\n\n        \u003ch3\u003eMaintaining Cable Eccentricity\u003c\/h3\u003e\n        \u003cp\u003eIf a cable is forced through a standard pipe elbow, it will eventually saw through the metal. The 415670 ensures the cable stays perfectly centered within its 90-degree arc. This maintains the cable's structural integrity and prevents cable binding, ensuring the 1\/16 inch or 3\/32 inch stainless steel line can travel its full rated distance during activation.\u003c\/p\u003e\n\n        \u003ch3\u003eSet-Screw Stability\u003c\/h3\u003e\n        \u003cp\u003eUnlike compression-only fittings, the set-screw design of the 415670 allows the pulley to be physically locked onto the 1\/2 inch EMT conduit. This prevents the elbow from shifting under the high-tension load of an armed system, ensuring the system's cocking point remains constant over decades of service.\u003c\/p\u003e\n\n        \u003ch3\u003eCompliance with NFPA 17A and 96\u003c\/h3\u003e\n        \u003cp\u003eNFPA requires that all detection and actuation cables be protected and guided to ensure smooth and reliable operation. The 415670 is a UL-listed component of the Ansul R-102 system. Using standard plumbing elbows or non-listed pulleys is a code violation that can lead to red-tag failures during fire marshal inspections.\u003c\/p\u003e\n\n        \u003ch3\u003eSimplified Pull-Test Verification\u003c\/h3\u003e\n        \u003cp\u003eDuring mandatory semi-annual inspections, technicians must perform a trip test. The low-friction performance of the 415670 makes these tests highly predictable. A system using OEM Ansul pulleys will consistently trip at the rated tension, reducing troubleshooting time and getting the kitchen back into production faster.\u003c\/p\u003e\n\n        \u003ch3\u003eResistance to Heat and Grease Fouling\u003c\/h3\u003e\n        \u003cp\u003eThe 415670 features a closed-body design that shields the internal pulley wheel from aerosolized grease and carbon buildup. This ensures the internal wheel continues to spin freely, preventing the system from seizing up between service intervals.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 2: Applications \u0026 Use Cases --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eApplications \u0026amp; Use Cases\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003cul\u003e\n          \u003cli\u003e\n\u003cstrong\u003eHigh-Volume Restaurant Lines:\u003c\/strong\u003e Directing the detection cable from the hood plenum, around the exhaust duct, and down to the Automan release enclosure.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eManual Pull Station Routing:\u003c\/strong\u003e Providing the 90-degree turn needed to route the manual actuation cable through walls to an accessible exit path.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eMulti-Tank Manifolds:\u003c\/strong\u003e Coordinating cable movement across multiple agent tanks to ensure simultaneous discharge in large-scale facilities.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eInstitutional Cafeterias:\u003c\/strong\u003e Maintaining a robust safety infrastructure that passes rigorous public health audits.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eRemote Gas Valve Actuation:\u003c\/strong\u003e Safeguarding the cable path that triggers mechanical gas shutoff valves located behind heavy equipment.\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 3: Technical Specifications --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003ctable class=\"specs-table\"\u003e\n          \u003cthead\u003e\n            \u003ctr\u003e\n              \u003cth\u003eFeature\u003c\/th\u003e\n              \u003cth\u003eDetails\u003c\/th\u003e\n            \u003c\/tr\u003e\n          \u003c\/thead\u003e\n          \u003ctbody\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eManufacturer\u003c\/td\u003e\n              \u003ctd\u003eAnsul\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003ePart Number\u003c\/td\u003e\n              \u003ctd\u003e415670\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eComponent Type\u003c\/td\u003e\n              \u003ctd\u003eSet Screw Pulley Elbow\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eMaterial\u003c\/td\u003e\n              \u003ctd\u003eHeavy-Duty Cast Alloy \/ Brass Internal Wheel\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eMounting Size\u003c\/td\u003e\n              \u003ctd\u003e1\/2 inch EMT Compatible\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eCertification\u003c\/td\u003e\n              \u003ctd\u003eUL Listed \/ ULC Listed\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eApplication\u003c\/td\u003e\n              \u003ctd\u003e90-Degree Cable Directional Changes\u003c\/td\u003e\n            \u003c\/tr\u003e\n          \u003c\/tbody\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 4: Installation \u0026 Compliance --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eInstallation \u0026amp; Compliance\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003ch3\u003eConduit Alignment Protocol\u003c\/h3\u003e\n        \u003cp\u003eWhen attaching the 415670 to 1\/2 inch EMT, ensure the conduit is cut squarely and de-burred. A jagged conduit edge inside the pulley elbow can snag the cable, leading to activation failure.\u003c\/p\u003e\n\n        \u003ch3\u003eSet-Screw Torque Verification\u003c\/h3\u003e\n        \u003cp\u003eTighten the set screw until it firmly bites into the conduit. If the elbow is loose, the cable tension will eventually pull the elbow out of alignment, causing nuisance trips or failure to discharge.\u003c\/p\u003e\n\n        \u003ch3\u003eVisual Inspection for Fraying\u003c\/h3\u003e\n        \u003cp\u003eDuring every service, technicians should check the cable path. If you see silver dust or frayed wires, it indicates the pulley wheel has seized or the alignment is off, and the elbow must be replaced immediately to avoid a mechanical malfunction.\u003c\/p\u003e\n\n        \u003ch3\u003eMaximum Bend Limits\u003c\/h3\u003e\n        \u003cp\u003eWhile efficient, NFPA 96 often limits the number of 90-degree bends allowed in a single detection line. Always refer to the system's as-built drawings to ensure you have not exceeded the maximum allowable mechanical resistance.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 5: FAQ --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003ch3\u003eCan I use this pulley for a manual pull station line?\u003c\/h3\u003e\n        \u003cp\u003eYes. The 415670 is rated for both detection lines (fusible links) and manual actuation lines. Its robust construction can easily handle the high-force pull required to trigger the system manually.\u003c\/p\u003e\n\n        \u003ch3\u003eDoes this pulley need to be lubricated?\u003c\/h3\u003e\n        \u003cp\u003eNo. The internal wheel is designed for dry-operation. Adding grease or oil can attract kitchen dust, eventually creating a thick paste that will cause the wheel to seize. If the wheel does not spin freely, it is a failed safety component and must be replaced.\u003c\/p\u003e\n\n        \u003ch3\u003eWhat is the difference between a \"set screw\" and a \"compression\" elbow?\u003c\/h3\u003e\n        \u003cp\u003eThe set screw version (415670) provides a mechanical lock that prevents the elbow from spinning on the conduit. This is generally preferred for high-tension lines where line-twist can become an issue during the system cocking process.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n  const headers = document.querySelectorAll('.accordion-header');\n  headers.forEach(header =\u003e {\n    header.addEventListener('click', function() {\n      this.parentElement.classList.toggle('active');\n    });\n  });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Ansul Set Screw Pulley Elbow\",\n  \"description\": \"UL Listed OEM set screw pulley elbow for 90-degree cable directional changes in Ansul R-102 detection and actuation lines. Heavy-duty cast alloy body with brass internal wheel. Mounts to 1\/2 inch EMT conduit. Converts sliding friction to rolling friction for zero-hesitation system response.\",\n  \"sku\": \"415670\",\n  \"mpn\": \"415670\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Ansul\"\n  },\n  \"manufacturer\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Ansul (A Johnson Controls Brand)\"\n  },\n  \"category\": \"Fire Suppression Equipment\",\n  \"additionalProperty\": [\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Part Number\",\n      \"value\": \"415670\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Component Type\",\n      \"value\": \"Set Screw Pulley Elbow\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Material\",\n      \"value\": \"Heavy-Duty Cast Alloy \/ Brass Internal Wheel\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Mounting Size\",\n      \"value\": \"1\/2 inch EMT Compatible\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Certification\",\n      \"value\": \"UL Listed \/ ULC Listed\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Application\",\n      \"value\": \"90-Degree Cable Directional Changes\"\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"Ansul","offers":[{"title":"Default Title","offer_id":45907743113381,"sku":"415670","price":15.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/ansul-default-title-set-screw-pulley-elbow-shipping-assembly-single-415670-33278190616741_30b6170e-ec9b-447f-8d29-5c09464fe16e.webp?v=1771286823"},{"product_id":"pulley-elbow-shipping-assembly-pack-of-50","title":"Pulley Elbow Shipping Assembly (Pack of 50, 415671)","description":"\u003cp\u003eAlternate bulk pack of 50 elbow pulleys, compatible with Ansul cable systems. Used for routing and tensioning actuation cable.\u003c\/p\u003e","brand":"Ansul","offers":[{"title":"Default Title","offer_id":45907743539365,"sku":"415671","price":727.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/ansul-default-title-pulley-elbow-shipping-assembly-pack-of-50-415671-33278191042725_de21511e-f22e-4165-8239-484a3b5f3cdd.webp?v=1771286822"},{"product_id":"pulley-elbow-shipping-assembly-pack-of-50-423250","title":"Pulley Elbow Shipping Assembly (Pack of 50, 423251)","description":"\u003cp\u003eBulk pack of 50 elbow pulleys for Ansul cable systems, used in large installations or service inventory.\u003c\/p\u003e","brand":"Ansul","offers":[{"title":"Default Title","offer_id":45907745734821,"sku":"423251","price":907.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/ansul-default-title-pulley-elbow-shipping-assembly-pack-of-50-423251-33278197760165_59a61e7b-81d1-4c89-b438-7c32e2f97ca8.webp?v=1771286819"},{"product_id":"pulley-elbow-shipping-assembly-single-423250","title":"Compression Pulley Elbow Shipping Assembly, Single Item - 423250","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 Compression Pulley Elbow | Part No. 423250 | 1\/2\" EMT Series\u003c\/title\u003e\n\u003cstyle\u003e\n  .product-section {\n    max-width: 100%;\n    margin: 2rem 0;\n    font-family: Arial, sans-serif;\n    color: #333;\n  }\n  .accordion-item {\n    border-bottom: 1px solid #ddd;\n  }\n  .accordion-header {\n    display: flex;\n    justify-content: space-between;\n    padding: 2rem 0;\n    cursor: pointer;\n    background: none;\n    border: none;\n    width: 100%;\n    text-align: left;\n    color: #333;\n  }\n  .accordion-header:hover,\n  .accordion-header:focus {\n    color: #333;\n    background: none;\n    outline: none;\n  }\n  .accordion-title {\n    font-size: 1.5rem;\n    font-weight: 500;\n  }\n  .accordion-icon {\n    font-size: 1.5rem;\n  }\n  .accordion-item.active .accordion-icon {\n    transform: rotate(180deg);\n  }\n  .accordion-content {\n    max-height: 0;\n    overflow: hidden;\n  }\n  .accordion-item.active .accordion-content {\n    max-height: none;\n  }\n  .accordion-content-inner {\n    font-size: 1.4rem;\n    line-height: 1.7;\n    color: #555;\n    padding-bottom: 2rem;\n  }\n  .accordion-content-inner p {\n    margin: 0 0 1rem 0;\n  }\n  .accordion-content-inner ul {\n    margin: 0 0 1rem 0;\n    padding-left: 2rem;\n  }\n  .accordion-content-inner h3 {\n    font-size: 1.4rem;\n    font-weight: 600;\n    color: #333;\n    margin: 1.5rem 0 0.5rem 0;\n  }\n  .specs-table {\n    width: 100%;\n    border-collapse: collapse;\n  }\n  .specs-table th,\n  .specs-table td {\n    border: 1px solid #ddd;\n    padding: 0.75rem 1rem;\n    font-size: 1.4rem;\n    text-align: left;\n  }\n  .specs-table th {\n    background-color: #f5f5f5;\n    font-weight: 600;\n    color: #333;\n  }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n  \u003c!-- Section 1: Product Overview --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003cp\u003eThe Ansul 423250 Compression Pulley Elbow is a mission-critical, high-performance routing component engineered specifically for the mechanical detection and actuation lines of Ansul R-102 and PIRANHA fire suppression systems. In the sophisticated architecture of a fire safety network, the detection line is the sensory system. Its success depends on the fluid, unhindered movement of the 1\/16\" stainless steel cable. The 423250 serves as the primary 90-degree routing junction, replacing traditional high-friction conduit bends with a precision-machined, rolling-pulley interface.\u003c\/p\u003e\n        \u003cp\u003eDesigned for the high-velocity, grease-heavy environment of a commercial kitchen, the 423250 is more than a conduit fitting; it is a friction neutralizer. By providing a low-resistance path for the mechanical signal, it ensures that the kinetic energy from a melting fusible link or a manual pull station is transmitted instantly to the AUTOMAN release mechanism. For fire protection contractors, the 423250 is the definitive choice for cable drag mitigation in complex, multi-corner layouts where resistance would otherwise lead to a failure to discharge.\u003c\/p\u003e\n\n        \u003ch3\u003eMitigation of Kinetic Friction\u003c\/h3\u003e\n        \u003cp\u003eStandard conduit bends create significant sliding friction as the cable rubs against the interior wall of the EMT. The 423250 utilizes a bearing-supported internal roller that converts this into rolling friction, drastically reducing the force required to actuate the system.\u003c\/p\u003e\n\n        \u003ch3\u003eLine-of-Sight Tension Conservation\u003c\/h3\u003e\n        \u003cp\u003eEvery 90-degree turn is a potential force drain. The 423250 is engineered to maintain line-of-sight tension. By ensuring the cable remains centered within the 1\/2\" EMT conduit, it prevents the cable from biting into metal edges, which prevents fraying and eventual snapping.\u003c\/p\u003e\n\n        \u003ch3\u003eAdhesive Effect Defense\u003c\/h3\u003e\n        \u003cp\u003eCommercial kitchens are aerosolized grease environments. Over time, grease can penetrate conduit runs and solidify. The 423250 features a fully enclosed housing that shields the internal roller from this accumulation, preventing solidified grease from seizing the pulley.\u003c\/p\u003e\n\n        \u003ch3\u003eThreadless Compression Logistics\u003c\/h3\u003e\n        \u003cp\u003eTraditional threaded pulleys require time-consuming pipe threading. The 423250 utilizes a threadless compression connection, allowing it to snap directly onto standard 1\/2\" EMT. This reduces labor hours during installation and allows for rapid field adjustments.\u003c\/p\u003e\n\n        \u003ch3\u003eCompliance with the 20-Pulley Limit\u003c\/h3\u003e\n        \u003cp\u003eNFPA 17A and the Ansul Technical Manual set a strict 20-pulley limit per single cable run. Because the 423250 is the factory-listed component for this calculation, using it ensures that the system remains within its UL-tested performance envelope.\u003c\/p\u003e\n\n        \u003ch3\u003eZinc Alloy Metallurgy\u003c\/h3\u003e\n        \u003cp\u003eSituated directly above high-heat appliances, routing hardware is subject to thermal cycling. The 423250 is manufactured with zinc alloy metallurgy that resists pitting corrosion, ensuring the roller remains free-spinning for the entire service life of the system.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 2: Applications \u0026 Use Cases --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eApplications \u0026amp; Use Cases\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003cul\u003e\n          \u003cli\u003e\n\u003cstrong\u003eMulti-Appliance V-Bank Hoods:\u003c\/strong\u003e Routing detection lines across long appliance batteries where multiple 90-degree turns are required.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eRemote Manual Pull Stations:\u003c\/strong\u003e Ensuring the mechanical pull reaches the AUTOMAN release without being absorbed by cable drag.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eIndustrial Paint Booths:\u003c\/strong\u003e Integrated into the Ansul I-101 system to route detection cables around complex machinery.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eMobile Kitchen Units:\u003c\/strong\u003e Providing a vibration-resistant routing solution that ensures the cable remains centered despite vehicle motion.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eRetrofit Modernization:\u003c\/strong\u003e Replacing aged, high-friction conduit bends during 12-year overhauls to restore factory-rated actuation speed.\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 3: Technical Specifications --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003ctable class=\"specs-table\"\u003e\n          \u003cthead\u003e\n            \u003ctr\u003e\n              \u003cth\u003eFeature\u003c\/th\u003e\n              \u003cth\u003eDetails\u003c\/th\u003e\n            \u003c\/tr\u003e\n          \u003c\/thead\u003e\n          \u003ctbody\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eManufacturer\u003c\/td\u003e\n              \u003ctd\u003eAnsul\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003ePart Number\u003c\/td\u003e\n              \u003ctd\u003e423250\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eConduit Compatibility\u003c\/td\u003e\n              \u003ctd\u003e1\/2\" EMT Series\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eConnection Style\u003c\/td\u003e\n              \u003ctd\u003eThreadless Compression\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eInternal Mechanism\u003c\/td\u003e\n              \u003ctd\u003eBearing-Supported Internal Roller\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eMax Capacity\u003c\/td\u003e\n              \u003ctd\u003e20-Pulley Limit (Per NFPA 17A)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eMaterial\u003c\/td\u003e\n              \u003ctd\u003eZinc Alloy Metallurgy (Corrosion Resistant)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eCompliance\u003c\/td\u003e\n              \u003ctd\u003eUL Listed, ULC Listed, FM Approved\u003c\/td\u003e\n            \u003c\/tr\u003e\n          \u003c\/tbody\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 4: Installation \u0026 Compliance --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eInstallation \u0026amp; Compliance\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003ch3\u003eThe Bottom-Out Seating Rule\u003c\/h3\u003e\n        \u003cp\u003eWhen installing the 423250, the conduit must be pushed until it bottoms out against the internal shoulder. If partially inserted, the cable can catch on the raw edge of the pipe, potentially jamming the system.\u003c\/p\u003e\n\n        \u003ch3\u003eCable-Pull Fluidity Audit\u003c\/h3\u003e\n        \u003cp\u003eDuring every 6-month inspection, perform a tension-sweep. While the system is locked out, the cable should be moved manually to verify every 423250 is spinning freely. A gritty feeling indicates grease-caking defense failure, requiring immediate replacement.\u003c\/p\u003e\n\n        \u003ch3\u003eCompression Nut Torque\u003c\/h3\u003e\n        \u003cp\u003eNuts must be tightened to the point of immobility. A loose pulley can rotate under the tension of an actuation line discharge, causing the cable to misalign and bind.\u003c\/p\u003e\n\n        \u003ch3\u003eStructural Member Mounting\u003c\/h3\u003e\n        \u003cp\u003eEnsure the conduit run is secured to a structural member to prevent the entire run from shifting, which would alter the calibrated tension of the detection loop.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 5: FAQ --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003ch3\u003eCan I use the 423250 with 1\/8\" cable?\u003c\/h3\u003e\n        \u003cp\u003eNo. The 423250 is specifically engineered for 1\/16\" stainless steel cable. Using a thicker cable can cause binding within the pulley housing, preventing the system from firing.\u003c\/p\u003e\n\n        \u003ch3\u003eIs there a difference between the 423250 and a standard conduit elbow?\u003c\/h3\u003e\n        \u003cp\u003eYes. A standard conduit elbow is a hollow pipe; the cable rubs against the interior wall, creating high friction. The 423250 contains an internal rolling wheel. You cannot pass a fire inspection using standard conduit elbows for detection or actuation lines.\u003c\/p\u003e\n\n        \u003ch3\u003eDoes this pulley require lubrication?\u003c\/h3\u003e\n        \u003cp\u003eNo. The internal roller is designed to be maintenance-free. Adding oil or grease can be counterproductive, as it will attract and trap airborne kitchen grease, eventually leading to a seized pulley.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n  const headers = document.querySelectorAll('.accordion-header');\n  headers.forEach(header =\u003e {\n    header.addEventListener('click', function() {\n      this.parentElement.classList.toggle('active');\n    });\n  });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Ansul Compression Pulley Elbow\",\n  \"description\": \"UL Listed threadless compression pulley elbow for 1\/2 inch EMT detection and actuation lines in Ansul R-102 and PIRANHA fire suppression systems. Bearing-supported internal roller converts sliding friction to rolling friction for zero-hesitation 90-degree cable routing. Zinc alloy corrosion-resistant construction. Rated within 20-pulley NFPA 17A limit. FM Approved.\",\n  \"sku\": \"423250\",\n  \"mpn\": \"423250\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Ansul\"\n  },\n  \"manufacturer\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Ansul (A Johnson Controls Brand)\"\n  },\n  \"category\": \"Fire Suppression Equipment\",\n  \"additionalProperty\": [\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Part Number\",\n      \"value\": \"423250\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Conduit Compatibility\",\n      \"value\": \"1\/2 inch EMT Series\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Connection Style\",\n      \"value\": \"Threadless Compression\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Internal Mechanism\",\n      \"value\": \"Bearing-Supported Internal Roller\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Max Capacity\",\n      \"value\": \"20-Pulley Limit (Per NFPA 17A)\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Material\",\n      \"value\": \"Zinc Alloy Metallurgy (Corrosion Resistant)\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Compliance\",\n      \"value\": \"UL Listed, ULC Listed, FM Approved\"\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"Ansul","offers":[{"title":"Default Title","offer_id":45907746291877,"sku":"423250","price":10.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/ansul-default-title-compression-pulley-elbow-shipping-assembly-single-423250-33278198481061_1f8332a7-a2e8-4d92-afea-a036e6c4b9a4.webp?v=1771286818"}],"url":"https:\/\/profireandsafety.com\/collections\/pyro-chem-monarch-assemblies.oembed","provider":"Pro Fire and Safety","version":"1.0","type":"link"}