{"product_id":"castair-1-4x1-4-inline-check-valve-npt-female-inlet-outlet-clb1414","title":"Castair 1\/4\"X1\/4\" Inline Check Valve NPT Female Inlet\/Outlet CLB1414","description":"\u003ch2\u003eCastair CLB1414 — 1\/4\" x 1\/4\" Inline Check Valve, NPT Female Inlet\/Outlet\u003c\/h2\u003e\n\n\u003cp\u003eThe CLB1414 is a 1\/4-inch by 1\/4-inch NPT female inline check valve from Castair. It is the smallest unit in the Castair CLB series, built for low-flow control lines, pilot air circuits, and light-duty compressed air drops where a compact check valve with standard NPT threads is needed to prevent backflow.\u003c\/p\u003e\n\n\u003cp\u003eFemale NPT connections on both ends thread directly onto standard 1\/4-inch male fittings or nipples. The inline body keeps installation straightforward — no angled ports, no special orientation required beyond ensuring the flow direction arrow (if marked) matches the intended airflow direction.\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Unit Does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Way Flow Control:\u003c\/strong\u003e Passes air in the intended direction, closes on backpressure. Used in control circuits, pilot lines, and small-diameter drops where reverse flow would cause problems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4\" NPT Female Both Ends:\u003c\/strong\u003e Standard threads — fits 1\/4-inch NPT male nipples, fittings, and quick-connect bodies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Inline Body:\u003c\/strong\u003e Small form factor — fits in tight installations where larger check valves would not clear the surrounding pipe and fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCastair Inline Check Valve Lineup (CLB Series)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLB1414 (1\/4\" x 1\/4\"):\u003c\/strong\u003e NPT Female — control lines, pilot air, light-duty drops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLB1212 (1\/2\" x 1\/2\"):\u003c\/strong\u003e NPT Female — garage and small shop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLB3434 (3\/4\" x 3\/4\"):\u003c\/strong\u003e NPT Female — mid-size commercial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLB1010 (1\" x 1\"):\u003c\/strong\u003e NPT Female — large main lines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLB112112 (1-1\/2\" x 1-1\/2\"):\u003c\/strong\u003e NPT Female — industrial high-volume\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CLB1414\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\/4\" NPT Female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Size:\u003c\/strong\u003e 1\/4\" NPT Female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Style:\u003c\/strong\u003e Inline — straight-through\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e NPT Female both ends\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e CLB Inline Check Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Castair, Spicer, Minnesota\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Buy From Air Compressor Factory Direct?\u003c\/h3\u003e\n\u003cp\u003eWe have sold Castair air system components since 2016. Call 866-217-0063 to confirm the right check valve size for your installation. Free shipping on qualifying orders, full manufacturer warranty, free technical support.\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":53342531879125,"sku":"CLB1414","price":49.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/8466\/0949\/files\/InLineCheckValveFemale.jpg?v=1772652620","url":"https:\/\/aircompressorfactorydirect.com\/products\/castair-1-4x1-4-inline-check-valve-npt-female-inlet-outlet-clb1414","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}