{"product_id":"stainless-steel-double-ferrule-compression-tube-fitting-3-12mm","title":"Stainless Steel Double Ferrule Compression Tube Fitting 3–12mm","description":"\u003ch2\u003eStainless Steel 304 Double-Ferrule Compression Tube Fitting\u003c\/h2\u003e\n\u003cp\u003eAchieve leak-free, high-pressure tube connections with this precision-engineered \u003cstrong\u003edouble-ferrule compression tube fitting\u003c\/strong\u003e. Crafted from heavy-duty \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e, these straight coupler adapters are built to withstand demanding industrial and DIY applications — from hydraulic lines to pneumatic systems and laboratory equipment.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in six diameter options (Φ3, Φ4, Φ6, Φ8, Φ10, and Φ12mm), these fittings are compatible with stainless steel, copper, and rigid or semi-rigid plastic tubing, making them an incredibly versatile addition to any toolkit or plumbing setup.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium 304 Stainless Steel\u003c\/strong\u003e — Heavy-duty construction with excellent corrosion and oxidation resistance for long-lasting performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble-Ferrule Design\u003c\/strong\u003e — Provides a secure, vibration-resistant, leak-free seal on every connection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSix Size Options\u003c\/strong\u003e — Φ3–Φ3, Φ4–Φ4, Φ6–Φ6, Φ8–Φ8, Φ10–Φ10, Φ12–Φ12mm to suit your exact application\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Pressure Rated\u003c\/strong\u003e — Nominal working pressure: 16 MPa–20 MPa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Temperature Range\u003c\/strong\u003e — Rated for -100°F to +660°F, ideal for extreme environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Tube Compatibility\u003c\/strong\u003e — Connects stainless steel, copper, and rigid\/semi-rigid plastic tubing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard Compliant\u003c\/strong\u003e — Manufactured to GB3733.1–3765-83 standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless Steel 304\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStraight Double-Ferrule Compression Coupler\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eΦ3, Φ4, Φ6, Φ8, Φ10, Φ12mm (same-size both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 MPa – 20 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-100°F to +660°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturing Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGB3733.1–3765-83\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompression Flange \/ Ferrule\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Double-Ferrule Compression Tube Fitting (size of your choice)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-inch-threaded-brass-ball-valve-water-gas-oil-flow-control\"\u003e1-Inch Threaded Brass Ball Valve – Water, Gas \u0026amp; Oil Flow Control\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-1-4-inch-adjustable-washbasin-siphon-trap-leak-proof-silicone-seal\"\u003e1-1\/4\" Adjustable Washbasin Siphon Trap | Leak-Proof Silicone\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-60mpa-pressure-gauge-s60h-diesel-injector-nozzle-tester-8000psi\"\u003e0-60MPa Pressure Gauge for S60H Diesel Injector Nozzle Tester\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor further information on industrial tube fitting standards and safety practices, refer to the OSHA Hydraulics \u0026amp; Pneumatics Safety Resource.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Compression_fitting\" target=\"_blank\" rel=\"noopener\"\u003eCompression fitting\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What tube materials are compatible with these double-ferrule compression fittings?\u003c\/h4\u003e\n\u003cp\u003eA: These stainless steel compression tube fittings are designed to connect stainless steel, copper, and rigid or semi-rigid plastic tubing. The double-ferrule design ensures a secure grip and tight seal across all compatible tube materials.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum working pressure these fittings can handle?\u003c\/h4\u003e\n\u003cp\u003eA: These double-ferrule compression fittings are rated for a nominal working pressure of 16 MPa to 20 MPa, making them suitable for high-pressure hydraulic, pneumatic, and instrumentation applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can these fittings be used in high-temperature or cryogenic environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 304 stainless steel construction supports a wide operating temperature range of -100°F to +660°F, making these fittings appropriate for both extremely cold and high-heat applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I select the correct size for my tubing?\u003c\/h4\u003e\n\u003cp\u003eA: Simply match the fitting diameter to your tube's outer diameter. Available sizes are Φ3mm, Φ4mm, Φ6mm, Φ8mm, Φ10mm, and Φ12mm — each fitting connects two tubes of the same diameter end-to-end as a straight coupler.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What tube materials are compatible with these double-ferrule compression fittings?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These stainless steel compression tube fittings are designed to connect stainless steel, copper, and rigid or semi-rigid plastic tubing. The double-ferrule design ensures a secure grip and tight seal across all compatible tube materials.\"}}, {\"@type\": \"Question\", \"name\": \"What is the maximum working pressure these fittings can handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These double-ferrule compression fittings are rated for a nominal working pressure of 16 MPa to 20 MPa, making them suitable for high-pressure hydraulic, pneumatic, and instrumentation applications.\"}}, {\"@type\": \"Question\", \"name\": \"Can these fittings be used in high-temperature or cryogenic environments?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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Available sizes are Φ3mm, Φ4mm, Φ6mm, Φ8mm, Φ10mm, and Φ12mm — each fitting connects two tubes of the same diameter end-to-end as a straight coupler.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home \u0026 Living\", \"item\": \"https:\/\/oasis-select.com\/collections\/home-living\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Stainless Steel Double Ferrule Compression Tube Fitting 3–12mm\", \"item\": \"https:\/\/oasis-select.com\/products\/stainless-steel-double-ferrule-compression-tube-fitting-3-12mm\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"3mm","offer_id":47748560257129,"sku":"14:201441374#3mm","price":13.75,"currency_code":"USD","in_stock":true},{"title":"4mm","offer_id":47748560289897,"sku":"14:10#4mm","price":13.75,"currency_code":"USD","in_stock":true},{"title":"6mm","offer_id":47748560322665,"sku":"14:29#6mm","price":13.75,"currency_code":"USD","in_stock":true},{"title":"8mm","offer_id":47748560355433,"sku":"14:173#8mm","price":13.75,"currency_code":"USD","in_stock":true},{"title":"10mm","offer_id":47748560388201,"sku":"14:193#10mm","price":13.75,"currency_code":"USD","in_stock":true},{"title":"12mm","offer_id":47748560420969,"sku":"14:496#12mm","price":13.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S9778b7c99215476694dd00e079f65d2eN.webp?v=1783086061","url":"https:\/\/oasis-select.com\/products\/stainless-steel-double-ferrule-compression-tube-fitting-3-12mm","provider":"Oasis Select","version":"1.0","type":"link"}