{"product_id":"castair-copper-tubing-jic-adapter-1234-ctjic1234","title":"Castair Copper Tubing JIC Adapter 1234 - CTJIC1234","description":"\u003cp\u003eThe Castair CTJIC1234 is a copper tubing JIC adapter from the Cast Air air distribution fitting lineup. JIC (Joint Industry Council) fittings use a 37-degree flare seat to create a reliable, leak-resistant metal-to-metal connection — a step up from NPT threads alone in applications where vibration or thermal cycling could loosen a tapered thread joint over time. This adapter is intended for use in compressed air distribution lines using copper tubing, connecting tubing runs to equipment ports or branch fittings.\u003c\/p\u003e\n\n\u003ch2\u003eWhat JIC Fittings Are and Why They Matter\u003c\/h2\u003e\n\u003cp\u003eNPT (National Pipe Taper) threads are the standard for most shop air connections, but they rely on thread engagement and sealant to stop leaks. JIC fittings work differently: the tube is flared to a 37-degree cone and the fitting nose seats into that flare under torque, creating a metal-to-metal seal that does not depend on sealant. This makes JIC connections well-suited for copper tubing runs where you want a serviceable, resealable connection that can be taken apart and remade without re-tapping or replacing the port.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Type:\u003c\/strong\u003e JIC (37-degree flare) adapter for copper tubing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CTJIC1234\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Copper tubing compatible adapter construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Compressed air distribution piping systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Castair (Cast Air, Inc.) — Spicer, Minnesota\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSub-category:\u003c\/strong\u003e JIC Fittings — Air Distribution Piping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhere This Fitting Is Used\u003c\/h2\u003e\n\u003cp\u003eThe CTJIC1234 is part of Castair's air distribution piping accessories, sold alongside their compressor lineup for shops building or extending a compressed air distribution system. Typical installations include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnecting copper tubing drops to tool outlets or service valves\u003c\/li\u003e\n\u003cli\u003eJoining copper tubing sections in a loop or trunk-and-branch layout\u003c\/li\u003e\n\u003cli\u003eAdapting copper tubing to NPT-threaded ports on regulators, filters, or lubricators\u003c\/li\u003e\n\u003cli\u003eAny installation where a 37-degree flare connection is preferred over a compression or NPT-threaded joint\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSelecting the Right Pipe Size for Your Shop\u003c\/h2\u003e\n\u003cp\u003eCastair provides pipe sizing guidance for compressed air distribution based on CFM demand and total equivalent line length. As a reference:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 10 CFM, runs up to 75 ft:\u003c\/strong\u003e 1\/2\" pipe is sufficient\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15-25 CFM, runs up to 100 ft:\u003c\/strong\u003e 3\/4\" pipe recommended\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-50 CFM, runs up to 200 ft:\u003c\/strong\u003e 1\" pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60-100 CFM, longer runs:\u003c\/strong\u003e 1-1\/4\" to 1-1\/2\" pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 150 CFM:\u003c\/strong\u003e 2\" or larger pipe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUndersized distribution piping causes pressure drop at the tool, even when the compressor is producing adequate CFM. Size your pipe for peak demand, not average demand.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Castair (Cast Air, Inc.) — Spicer, Minnesota\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CTJIC1234\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Standard:\u003c\/strong\u003e JIC (37-degree flare)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Copper tubing adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Compressed air distribution piping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Air Distribution Piping — JIC Fittings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Manufacturer page was not available at time of writing. Size and pressure specifications not confirmed. Contact us at 866-217-0063 to verify specifications for your application before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy Buy From Air Compressor Factory Direct?\u003c\/h3\u003e\n\u003cp\u003eWe carry the full Castair fitting lineup so you can spec your distribution system and source the hardware in one order. If you are designing a new shop air system or extending an existing one, call us — we can help you select the right pipe size, fittings, and dryer\/filter equipment for your CFM and pressure requirements. Free shipping on qualifying orders, free technical support at 866-217-0063, and the full manufacturer warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCall 866-217-0063 for quick answers and help!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Cast Air","offers":[{"title":"Default Title","offer_id":53342535942357,"sku":"CTJIC1234","price":55.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/8466\/0949\/files\/CTJIC1234_20PAGE_2026.jpg?v=1772675063","url":"https:\/\/aircompressorfactorydirect.com\/products\/castair-copper-tubing-jic-adapter-1234-ctjic1234","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}