{"product_id":"castair-jic-fitting-adapter-12-x-jic12-jic12xjic12","title":"Castair JIC Fitting Adapter 12 x JIC12 - JIC12XJIC12","description":"\u003cp\u003eThe Castair JIC12XJIC12 is a JIC-12 to JIC-12 adapter fitting for compressed air distribution systems. This fitting connects two -12 AN\/JIC-12 hose ends, tube fittings, or equipment ports in a straight configuration. JIC-12 uses a 1-1\/16-12 UNF thread and mates with 3\/4-inch OD tubing flared to a 37-degree seat. It is the next size up from JIC-10 (7\/8-14 UNF) and handles higher flow rates appropriate for larger diameter air distribution lines.\u003c\/p\u003e\n\n\u003ch2\u003eAbout JIC Fittings in Compressed Air Systems\u003c\/h2\u003e\n\u003cp\u003eJIC (Joint Industry Council) fittings use a 37-degree flare seating surface. This seating angle creates a metal-to-metal seal that is leak-resistant under pressure and does not require sealant tape or thread compound on the flare seating surface (though thread sealant is still appropriate on the straight threads in certain configurations). JIC fittings are widely used in hydraulic systems and increasingly in compressed air distribution where secure, serviceable connections are needed at equipment connections, regulator ports, and manifold tees.\u003c\/p\u003e\n\u003cp\u003eThe dash number in JIC sizing corresponds to the tubing OD in 1\/16-inch increments: JIC-10 fits 5\/8-inch OD tubing (7\/8-14 UNF thread), JIC-12 fits 3\/4-inch OD tubing (1-1\/16-12 UNF thread).\u003c\/p\u003e\n\n\u003ch3\u003eFitting Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e JIC12XJIC12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection 1:\u003c\/strong\u003e JIC-12 (1-1\/16-12 UNF, 37-degree flare, 3\/4-inch OD tubing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection 2:\u003c\/strong\u003e JIC-12 (1-1\/16-12 UNF, 37-degree flare, 3\/4-inch OD tubing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Union adapter — JIC-12 x JIC-12 (confirm male\/female configuration before ordering)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeating:\u003c\/strong\u003e 37-degree flare metal-to-metal seal\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\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJoining two JIC-12 hose or tube assemblies in a compressed air main or branch line\u003c\/li\u003e\n\u003cli\u003eConnections at larger-bore equipment discharge ports, aftercoolers, or filter housings with JIC-12 ports\u003c\/li\u003e\n\u003cli\u003eExtending or repairing JIC-12 air distribution lines\u003c\/li\u003e\n\u003cli\u003eCompressor discharge connections where JIC-12 fittings are specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFlow Capacity Context\u003c\/h3\u003e\n\u003cp\u003eJIC-12 (3\/4-inch OD tubing) carries significantly more flow than JIC-10 (5\/8-inch OD tubing). From Castair's pipe sizing chart, a 3\/4-inch equivalent line handles up to approximately 30-40 CFM over a 100-foot run before pressure drop becomes significant. Match your fitting size to your line size — using a JIC-12 fitting in a JIC-10 line requires a reducing adapter, not this part.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNo PTFE tape on the 37-degree flare seating surface — the metal-to-metal flare creates the seal\u003c\/li\u003e\n\u003cli\u003eInspect both flare seats before assembly — damaged seats will not seal\u003c\/li\u003e\n\u003cli\u003eTorque to approximately finger-tight plus 1\/4 to 1\/2 turn with a wrench\u003c\/li\u003e\n\u003cli\u003eLeak-check all connections after pressurizing the system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e JIC12XJIC12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e JIC-12 x JIC-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 1-1\/16-12 UNF (both ends)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlare Angle:\u003c\/strong\u003e 37 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubing OD (nominal):\u003c\/strong\u003e 3\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Compressed air distribution piping, pneumatic connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Buy From Air Compressor Factory Direct?\u003c\/h3\u003e\n\u003cp\u003eWe stock Castair air distribution fittings and accessories. If you're planning or expanding your shop's compressed air piping system, we can help you spec the right fitting combinations for your line sizes and equipment. Free shipping on qualifying orders. Call 866-217-0063 for help selecting the right fittings for your installation.\u003c\/p\u003e\n\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":53342569955541,"sku":"JIC12XJIC12","price":17.04,"currency_code":"USD","in_stock":true}],"url":"https:\/\/aircompressorfactorydirect.com\/products\/castair-jic-fitting-adapter-12-x-jic12-jic12xjic12","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}