{"product_id":"copper-90-elbow-hose-barb-connector-4mm-19mm-gas-fuel-fittings","title":"Copper 90° Elbow Hose Barb Connector — Φ4mm to Φ19mm | Gas, Fuel \u0026 Fluid Fittings","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right barb size for my hose?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the barb diameter (Φ) to your hose's inner diameter (ID). For example, a Φ6mm barb fits a hose with a 6mm (≈1\/4\\u201d) inner bore. Measure the inside of your hose with calipers before ordering. When in doubt, size down slightly — a snug fit seals better than a loose one.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What pressure can these copper elbow fittings handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Copper hose barb fittings generally handle low-to-medium pressure applications. For push-on barb connections, working pressure is typically up to 150 PSI depending on hose wall thickness and clamp type. For high-pressure systems, we recommend using hose clamps and confirming your system's rated pressure before installation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these fittings outdoors or in wet environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Copper has natural corrosion resistance and performs well in outdoor and humid environments. However, prolonged exposure to highly acidic or alkaline fluids may cause oxidation over time. For marine or chemical environments, verify fluid compatibility before use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What thread or connection standard do these use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These are push-on hose barb fittings — no threading required on the hose side. The barb is designed to grip the inner wall of flexible hose tubing. They are compatible with standard flexible hoses (silicone, rubber, PVC) matching the listed inner diameter.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these suitable for fuel and gas lines?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Copper is generally compatible with gasoline, diesel, propane, and natural gas in low-pressure applications. Always verify compatibility with your specific fuel type and local codes. Use appropriate hose clamps to secure the connection.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need a hose clamp with these barb fittings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For low-pressure or gravity-fed systems, the barb grip alone is often sufficient. For pressurized lines (fuel, air, gas), we strongly recommend using a worm-drive or spring hose clamp over the hose end to prevent blowoff.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What sizes are available and what do they convert to in inches?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Available sizes: Φ4mm (≈5\/32\\u201d), Φ6mm (≈1\/4\\u201d), Φ8mm (≈5\/16\\u201d), Φ10mm (≈3\/8\\u201d), Φ12mm (≈1\/2\\u201d), Φ14mm (≈9\/16\\u201d), Φ16mm (≈5\/8\\u201d), Φ19mm (≈3\/4\\u201d). Select the size matching your hose inner diameter.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eCopper 90° Elbow Hose Barb Connector — Reliable Right-Angle Routing for Gas, Fuel \u0026amp; Fluid Lines\u003c\/h2\u003e\n    \u003cp\u003eRouting flexible hose around tight corners without kinking is one of the most frustrating challenges in DIY plumbing, engine work, and fuel system builds. Whether you're redirecting a coolant line under the hood, connecting a gas bellows in a tight cabinet, or building a custom air or fuel circuit, a poorly chosen elbow fitting can leak, crack, or restrict flow. These copper 90° elbow hose barb connectors are built for exactly these situations — giving hobbyists, mechanics, and tradespeople a dependable right-angle solution that installs in seconds.\u003c\/p\u003e\n    \u003cp\u003eEach fitting is machined from solid copper and features a 90-degree elbow body with barbed ends sized to grip flexible hose tubing securely. Available in eight diameters — Φ4mm (≈5\/32\"), Φ6mm (≈1\/4\"), Φ8mm (≈5\/16\"), Φ10mm (≈3\/8\"), Φ12mm (≈1\/2\"), Φ14mm (≈9\/16\"), Φ16mm (≈5\/8\"), and Φ19mm (≈3\/4\") — and sold in quantities of 1, 2, 5, or 10 pieces per order. The barbed profile is designed to bite into the inner wall of standard flexible hose (silicone, rubber, or PVC) for a push-on connection that resists pullout.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include automotive fuel and coolant line routing, gas appliance bellows connections, pneumatic air circuit bends, and small-engine carburetor hose fittings. The 90° angle makes these copper elbow barb fittings especially useful wherever a straight connector would force a sharp hose bend — protecting flow rate and extending hose life.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔵\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits standard flexible hoses (silicone, rubber, PVC) with inner diameter matching the selected Φ size. Suitable for gas, fuel, air, water, and coolant lines in low-to-medium pressure applications. Always confirm hose ID before ordering.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These Copper 90° Elbow Hose Barb Fittings\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSolid Copper Construction\u003c\/strong\u003e — Machined from copper for natural corrosion resistance, making these fittings suitable for fuel, gas, and fluid lines in both indoor and outdoor environments.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eTrue 90° Elbow Angle\u003c\/strong\u003e — The right-angle body lets you redirect hose runs cleanly around corners without kinking, maintaining consistent flow through your copper elbow barb fitting.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔗\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eBarbed Push-On Design\u003c\/strong\u003e — The ribbed barb profile grips the hose inner wall on insertion, creating a secure mechanical seal without adhesives or threading on the hose side.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e8 Sizes from Φ4mm to Φ19mm\u003c\/strong\u003e — Covers the most common flexible hose inner diameters used in automotive, HVAC, and DIY plumbing — from Φ4mm (≈5\/32\") up to Φ19mm (≈3\/4\").\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Quantity Options\u003c\/strong\u003e — Order 1, 2, 5, or 10 pieces to match your project scope, whether you need a single repair fitting or a multi-point installation set.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eBroad Application Range\u003c\/strong\u003e — Compatible with gas bellows, fuel hose routing, coolant circuits, pneumatic air lines, and carburetor connections — a versatile hose barb elbow fitting for workshop and field use.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — Copper 90° Elbow Hose Barb Fittings\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFitting Type\u003c\/th\u003e\n\u003ctd\u003e90° Elbow Hose Barb Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Barb Sizes\u003c\/th\u003e\n\u003ctd\u003eΦ4mm (≈5\/32\"), Φ6mm (≈1\/4\"), Φ8mm (≈5\/16\"), Φ10mm (≈3\/8\"), Φ12mm (≈1\/2\"), Φ14mm (≈9\/16\"), Φ16mm (≈5\/8\"), Φ19mm (≈3\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eConnection Method\u003c\/th\u003e\n\u003ctd\u003ePush-on barb (hose clamp recommended for pressurized lines)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Hose Types\u003c\/th\u003e\n\u003ctd\u003eFlexible silicone, rubber, PVC hose — inner diameter matching Φ size\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTypical Applications\u003c\/th\u003e\n\u003ctd\u003eGas, fuel, air, coolant, water lines\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorking Pressure\u003c\/th\u003e\n\u003ctd\u003eTypically up to 150 PSI (varies by hose type and clamp; confirm for your system)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural copper (uncoated)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 pcs \/ 2 pcs \/ 5 pcs \/ 10 pcs (select above)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eNote:\u003c\/strong\u003e Always verify hose inner diameter with calipers before ordering. For pressurized fuel or gas lines, use an appropriate hose clamp and confirm compliance with local installation codes.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right barb size for my hose?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMatch the barb diameter (Φ) to your hose's inner diameter (ID). For example, a Φ6mm barb fits a hose with a 6mm (≈1\/4\") inner bore. Measure the inside of your hose with calipers before ordering. When in doubt, size down slightly — a snug fit seals better than a loose one.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat pressure can these copper elbow fittings handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eCopper hose barb fittings generally handle low-to-medium pressure applications. For push-on barb connections, working pressure is typically up to 150 PSI depending on hose wall thickness and clamp type. For high-pressure systems, we recommend using hose clamps and confirming your system's rated pressure before installation.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these fittings outdoors or in wet environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eCopper has natural corrosion resistance and performs well in outdoor and humid environments. However, prolonged exposure to highly acidic or alkaline fluids may cause oxidation over time. For marine or chemical environments, verify fluid compatibility before use.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread or connection standard do these use?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese are push-on hose barb fittings — no threading required on the hose side. The barb is designed to grip the inner wall of flexible hose tubing. They are compatible with standard flexible hoses (silicone, rubber, PVC) matching the listed inner diameter.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these suitable for fuel and gas lines?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. Copper is generally compatible with gasoline, diesel, propane, and natural gas in low-pressure applications. Always verify compatibility with your specific fuel type and local codes. Use appropriate hose clamps to secure the connection.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need a hose clamp with these barb fittings?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eFor low-pressure or gravity-fed systems, the barb grip alone is often sufficient. For pressurized lines (fuel, air, gas), we strongly recommend using a worm-drive or spring hose clamp over the hose end to prevent blowoff.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat sizes are available and what do they convert to in inches?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eAvailable sizes: Φ4mm (≈5\/32\"), Φ6mm (≈1\/4\"), Φ8mm (≈5\/16\"), Φ10mm (≈3\/8\"), Φ12mm (≈1\/2\"), Φ14mm (≈9\/16\"), Φ16mm (≈5\/8\"), Φ19mm (≈3\/4\"). Select the size matching your hose inner diameter.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your size and quantity above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Φ4mm \/ 1 pcs","offer_id":52335642050834,"sku":"GLFBDMHGLBZSJ022965x1","price":2.79,"currency_code":"USD","in_stock":true},{"title":"Φ6mm \/ 1 pcs","offer_id":52335642083602,"sku":"GLFBDMHGLBZSJ022966x1","price":2.84,"currency_code":"USD","in_stock":true},{"title":"Φ8mm \/ 1 pcs","offer_id":52335642116370,"sku":"GLFBDMHGLBZSJ022967x1","price":2.9,"currency_code":"USD","in_stock":true},{"title":"Φ10mm \/ 1 pcs","offer_id":52335642149138,"sku":"GLFBDMHGLBZSJ022968x1","price":2.72,"currency_code":"USD","in_stock":true},{"title":"Φ12mm \/ 1 pcs","offer_id":52335642181906,"sku":"GLFBDMHHYJJ02650x1","price":3.33,"currency_code":"USD","in_stock":true},{"title":"Φ14mm \/ 1 pcs","offer_id":52335642214674,"sku":"GLFBDMHHYJJ02651x1","price":3.64,"currency_code":"USD","in_stock":true},{"title":"Φ16mm \/ 1 pcs","offer_id":52335642247442,"sku":"GLFBDMHGLBZSJ022969x1","price":4.62,"currency_code":"USD","in_stock":true},{"title":"Φ19mm \/ 1 pcs","offer_id":52335642280210,"sku":"GLFBDMHHYJJ02652x1","price":6.05,"currency_code":"USD","in_stock":true},{"title":"Φ4mm \/ 2 pcs","offer_id":52335642312978,"sku":"GLFBDMHGLBZSJ022965x2","price":3.71,"currency_code":"USD","in_stock":true},{"title":"Φ6mm \/ 2 pcs","offer_id":52335642345746,"sku":"GLFBDMHGLBZSJ022966x2","price":3.85,"currency_code":"USD","in_stock":true},{"title":"Φ8mm \/ 2 pcs","offer_id":52335642378514,"sku":"GLFBDMHGLBZSJ022967x2","price":4.19,"currency_code":"USD","in_stock":true},{"title":"Φ10mm \/ 2 pcs","offer_id":52335642411282,"sku":"GLFBDMHGLBZSJ022968x2","price":3.98,"currency_code":"USD","in_stock":true},{"title":"Φ12mm \/ 2 pcs","offer_id":52335642444050,"sku":"GLFBDMHHYJJ02650x2","price":5.37,"currency_code":"USD","in_stock":true},{"title":"Φ14mm \/ 2 pcs","offer_id":52335642476818,"sku":"GLFBDMHHYJJ02651x2","price":6.46,"currency_code":"USD","in_stock":true},{"title":"Φ16mm \/ 2 pcs","offer_id":52335642509586,"sku":"GLFBDMHGLBZSJ022969x2","price":8.34,"currency_code":"USD","in_stock":true},{"title":"Φ19mm \/ 2 pcs","offer_id":52335642542354,"sku":"GLFBDMHHYJJ02652x2","price":11.19,"currency_code":"USD","in_stock":true},{"title":"Φ4mm \/ 5 pcs","offer_id":52335642575122,"sku":"GLFBDMHGLBZSJ022965x5","price":7.02,"currency_code":"USD","in_stock":true},{"title":"Φ6mm \/ 5 pcs","offer_id":52335642607890,"sku":"GLFBDMHGLBZSJ022966x5","price":7.18,"currency_code":"USD","in_stock":true},{"title":"Φ8mm \/ 5 pcs","offer_id":52335642640658,"sku":"GLFBDMHGLBZSJ022967x5","price":9.08,"currency_code":"USD","in_stock":true},{"title":"Φ10mm \/ 5 pcs","offer_id":52335642673426,"sku":"GLFBDMHGLBZSJ022968x5","price":8.5,"currency_code":"USD","in_stock":true},{"title":"Φ12mm \/ 5 pcs","offer_id":52335642706194,"sku":"GLFBDMHHYJJ02650x5","price":12.04,"currency_code":"USD","in_stock":true},{"title":"Φ14mm \/ 5 pcs","offer_id":52335642738962,"sku":"GLFBDMHHYJJ02651x5","price":14.73,"currency_code":"USD","in_stock":true},{"title":"Φ16mm \/ 5 pcs","offer_id":52335642771730,"sku":"GLFBDMHGLBZSJ022969x5","price":19.39,"currency_code":"USD","in_stock":true},{"title":"Φ19mm \/ 5 pcs","offer_id":52335642804498,"sku":"GLFBDMHHYJJ02652x5","price":26.51,"currency_code":"USD","in_stock":true},{"title":"Φ4mm \/ 10 pcs","offer_id":52335642837266,"sku":"GLFBDMHGLBZSJ022965x10","price":13.1,"currency_code":"USD","in_stock":true},{"title":"Φ6mm \/ 10 pcs","offer_id":52335642870034,"sku":"GLFBDMHGLBZSJ022966x10","price":13.4,"currency_code":"USD","in_stock":true},{"title":"Φ8mm \/ 10 pcs","offer_id":52335642902802,"sku":"GLFBDMHGLBZSJ022967x10","price":17.22,"currency_code":"USD","in_stock":true},{"title":"Φ10mm \/ 10 pcs","offer_id":52335642935570,"sku":"GLFBDMHGLBZSJ022968x10","price":16.09,"currency_code":"USD","in_stock":true},{"title":"Φ12mm \/ 10 pcs","offer_id":52335642968338,"sku":"GLFBDMHHYJJ02650x10","price":23.16,"currency_code":"USD","in_stock":true},{"title":"Φ14mm \/ 10 pcs","offer_id":52335643001106,"sku":"GLFBDMHHYJJ02651x10","price":28.49,"currency_code":"USD","in_stock":true},{"title":"Φ16mm \/ 10 pcs","offer_id":52335643033874,"sku":"GLFBDMHGLBZSJ022969x10","price":37.88,"currency_code":"USD","in_stock":true},{"title":"Φ19mm \/ 10 pcs","offer_id":52335643066642,"sku":"GLFBDMHHYJJ02652x10","price":52.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture6of14_c2834861-dd7e-4f5a-b3a9-360a43a23e27.jpg?v=1781079861","url":"https:\/\/homediyer.com\/de\/products\/copper-90-elbow-hose-barb-connector-4mm-19mm-gas-fuel-fittings","provider":"HomeDIYer","version":"1.0","type":"link"}