{"product_id":"nylon-push-to-connect-cross-4-way-pneumatic-fitting-4-12mm","title":"Nylon Push-to-Connect Cross 4-Way Pneumatic Fitting 4–12mm Inline Tube Connector","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 size cross 4-way fitting?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the fitting size to your tube's outer diameter (OD). Available sizes: 4mm (≈5\/32\\\"), 6mm (≈1\/4\\\"), 8mm (≈5\/16\\\"), 10mm (≈3\/8\\\"), 12mm (≈1\/2\\\"). All four ports on a cross fitting are the same size, so all connected tubes must share the same OD. Always measure your tube OD before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What pressure can these 4-way pneumatic fittings handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Nylon push-to-connect fittings of this type are generally rated for working pressures up to approximately 150 PSI (≈10 bar) in typical pneumatic applications. Actual ratings may vary by size — contact us to confirm for your specific use case.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these cross fittings outdoors or in wet environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Nylon is generally resistant to moisture and mild chemicals, making these fittings suitable for damp or lightly wet environments. They are not typically rated for prolonged UV exposure or fully submerged use. For outdoor installations, shield from direct sunlight where possible.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What tube types are compatible with these push fit cross connectors?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These cross 4-way push fit connectors are generally compatible with nylon (PA), polyurethane (PU), and polyethylene (PE) pneumatic tubing with matching outer diameters. Ensure the tube wall is firm enough to seat properly in the collet for a reliable seal.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I release a tube from a push-to-connect cross fitting?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Depressurize the line first, then press the collet ring inward toward the fitting body on the port you want to release while simultaneously pulling the tube out. Do not force the tube without pressing the collet — this can damage the internal gripper ring.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use only 3 of the 4 ports and cap the fourth?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — unused ports on a cross fitting can generally be capped with a matching push-in plug or blanking cap of the same tube OD size. This allows you to use the fitting as a T-junction or straight connector while keeping the option to expand later.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these fittings suitable for water or fluid lines as well as air?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — nylon push-to-connect cross fittings are commonly used in low-pressure water, coolant, and fluid distribution lines in addition to pneumatic air systems. They are not recommended for high-temperature steam or aggressive chemical media without confirming material compatibility.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eNylon Cross 4-Way Push-to-Connect Pneumatic Fittings — Split Air Lines in 4 Directions Without Tools\u003c\/h2\u003e\n    \u003cp\u003eRouting a single air line to multiple tools, sensors, or zones is a common challenge for workshop builders, automation technicians, and DIY pneumatic system designers. Tee fittings only split two ways — and adding multiple tees creates a tangled mess of joints. These \u003cstrong\u003enylon cross 4-way push-to-connect pneumatic fittings\u003c\/strong\u003e solve that problem cleanly, letting you branch one air or fluid line into four directions from a single compact body, with no wrenches, thread tape, or crimping required.\u003c\/p\u003e\n    \u003cp\u003eEach fitting is a single-piece cross (X-shaped) inline connector made from white nylon (PA) with an internal stainless-steel collet and O-ring seal at each of the four ports. Available in five tube outer diameter sizes: 4mm (≈5\/32\"), 6mm (≈1\/4\"), 8mm (≈5\/16\"), 10mm (≈3\/8\"), and 12mm (≈1\/2\"). Sold in packs of 2, 5, 10, or 20 pieces for single builds or bulk stocking.\u003c\/p\u003e\n    \u003cp\u003eThese 4-way push fit connectors are widely used in \u003cstrong\u003epneumatic air distribution manifolds\u003c\/strong\u003e for compressors and spray systems, \u003cstrong\u003emulti-zone fluid splitting\u003c\/strong\u003e in hydroponics, aquariums, and cooling circuits, and \u003cstrong\u003eCNC machine and automation air circuits\u003c\/strong\u003e where a single supply line must feed multiple actuators or sensors simultaneously.\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 nylon (PA), polyurethane (PU), and polyethylene (PE) pneumatic tubing with matching outer diameters of 4, 6, 8, 10, or 12mm. All four ports accept the same tube OD — select your size above.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eSize tip:\u003c\/strong\u003e The fitting size (e.g., 8mm) refers to the tube \u003cem\u003eouter diameter\u003c\/em\u003e it accepts, not the bore or thread size. Measure your tube OD before ordering. Unused ports can be capped with a matching push-in blanking plug.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These Nylon Cross 4-Way Push-to-Connect Pneumatic 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\u003eTrue Cross 4-Way Split\u003c\/strong\u003e — Four ports in a single compact body let you branch one pneumatic air line into four directions without stacking multiple tee fittings or adding extra joints.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eTool-Free Push-In Installation\u003c\/strong\u003e — Insert the tube into any port and the internal stainless-steel collet grips it instantly — no wrenches, thread tape, or crimping needed for a secure inline connection.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eStainless-Steel Collet at Every Port\u003c\/strong\u003e — Each of the four ports has an independent gripper ring that bites into the tube OD under pressure, preventing pull-out even in vibrating or pressurized pneumatic systems.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e💧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eO-Ring Sealed for Leak-Free Performance\u003c\/strong\u003e — An internal elastomeric O-ring at each port provides a reliable air and fluid seal, suitable for push fit water line connectors and pneumatic circuits alike.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eNylon Body — Lightweight \u0026amp; Corrosion-Resistant\u003c\/strong\u003e — The white PA nylon body resists moisture and mild chemicals, making it a practical choice for workshop air systems and fluid handling where metal fittings would corrode.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eReleasable \u0026amp; Reusable at Each Port\u003c\/strong\u003e — Press the collet ring on any individual port to release that tube without disturbing the others, allowing easy system modifications or repairs without replacing the fitting.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — Nylon Cross 4-Way Push-to-Connect Fittings\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eCross 4-Way Push-to-Connect Pneumatic Fitting\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBody Material\u003c\/th\u003e\n\u003ctd\u003eWhite Nylon (PA)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInternal Gripper\u003c\/th\u003e\n\u003ctd\u003eStainless-Steel Collet Ring (one per port)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSeal Type\u003c\/th\u003e\n\u003ctd\u003eInternal O-Ring (one per port)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eNumber of Ports\u003c\/th\u003e\n\u003ctd\u003e4 (cross \/ X configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTube OD Sizes\u003c\/th\u003e\n\u003ctd\u003e4mm (≈5\/32\"), 6mm (≈1\/4\"), 8mm (≈5\/16\"), 10mm (≈3\/8\"), 12mm (≈1\/2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Tube Types\u003c\/th\u003e\n\u003ctd\u003eNylon (PA), Polyurethane (PU), Polyethylene (PE)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorking Pressure\u003c\/th\u003e\n\u003ctd\u003eTypically up to 150 PSI (≈10 bar) — contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorking Temperature\u003c\/th\u003e\n\u003ctd\u003eGenerally –20°C to +60°C (–4°F to +140°F) — contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColor \/ Finish\u003c\/th\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eConnection Style\u003c\/th\u003e\n\u003ctd\u003ePush-to-Connect (Push Fit), Cross \/ 4-Way\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantities\u003c\/th\u003e\n\u003ctd\u003e2, 5, 10, or 20 pieces — see variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInstallation\u003c\/th\u003e\n\u003ctd\u003eTool-free push-in; press collet to release individual ports\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\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 size cross 4-way fitting?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMatch the fitting size to your tube's \u003cstrong\u003eouter diameter (OD)\u003c\/strong\u003e. Available sizes: 4mm (≈5\/32\"), 6mm (≈1\/4\"), 8mm (≈5\/16\"), 10mm (≈3\/8\"), 12mm (≈1\/2\"). All four ports on a cross fitting are the same size, so all connected tubes must share the same OD. Always measure your tube OD — not the bore — before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat pressure can these 4-way pneumatic fittings handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eNylon push-to-connect fittings of this type are generally rated for working pressures up to approximately \u003cstrong\u003e150 PSI (≈10 bar)\u003c\/strong\u003e in typical pneumatic applications. Actual ratings may vary by size — contact us to confirm for your specific use case.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these cross fittings outdoors or in wet environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eNylon is generally resistant to moisture and mild chemicals, making these fittings suitable for damp or lightly wet environments. They are not typically rated for prolonged UV exposure or fully submerged use. For outdoor installations, shield from direct sunlight where possible to extend service life.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat tube types are compatible with these push fit cross connectors?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese cross 4-way push fit connectors are generally compatible with \u003cstrong\u003enylon (PA), polyurethane (PU), and polyethylene (PE)\u003c\/strong\u003e pneumatic tubing with matching outer diameters. Ensure the tube wall is firm enough to seat properly in the collet — soft or thin-walled tubing may not seal reliably.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I release a tube from a push-to-connect cross fitting?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eDepressurize the line first, then \u003cstrong\u003epress the collet ring inward\u003c\/strong\u003e on the specific port you want to release while simultaneously pulling the tube out. Each port releases independently — you do not need to disturb the other three connections.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use only 3 of the 4 ports and cap the fourth?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes — unused ports can generally be capped with a matching \u003cstrong\u003epush-in blanking plug\u003c\/strong\u003e of the same tube OD size. This lets you use the cross fitting as a T-junction while keeping the option to add a fourth line later without replacing the fitting.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these fittings suitable for water or fluid lines as well as air?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes — nylon push-to-connect cross fittings are commonly used in \u003cstrong\u003elow-pressure water, coolant, and fluid distribution lines\u003c\/strong\u003e in addition to pneumatic air systems. They are not recommended for high-temperature steam or aggressive chemical media without confirming material compatibility first.\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 \u003cstrong\u003esize and quantity\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"4mm \/ 2 PCS","offer_id":52336180756754,"sku":"AdaahZJQJD01359x2","price":5.52,"currency_code":"USD","in_stock":true},{"title":"6mm \/ 2 PCS","offer_id":52336180789522,"sku":"AdaahZJQJD01360x2","price":6.02,"currency_code":"USD","in_stock":true},{"title":"8mm \/ 2 PCS","offer_id":52336180822290,"sku":"AdaahZJQJD01361x2","price":6.7,"currency_code":"USD","in_stock":true},{"title":"10mm \/ 2 PCS","offer_id":52336180855058,"sku":"AdaahZJQJD01362x2","price":8.42,"currency_code":"USD","in_stock":true},{"title":"12mm \/ 2 PCS","offer_id":52336180887826,"sku":"AdaahZJQJD01363x2","price":9.6,"currency_code":"USD","in_stock":true},{"title":"4mm \/ 5 PCS","offer_id":52336180920594,"sku":"AdaahZJQJD01359x5","price":8.58,"currency_code":"USD","in_stock":true},{"title":"6mm \/ 5 PCS","offer_id":52336180953362,"sku":"AdaahZJQJD01360x5","price":10.83,"currency_code":"USD","in_stock":true},{"title":"8mm \/ 5 PCS","offer_id":52336180986130,"sku":"AdaahZJQJD01361x5","price":13.6,"currency_code":"USD","in_stock":true},{"title":"10mm \/ 5 PCS","offer_id":52336181018898,"sku":"AdaahZJQJD01362x5","price":16.02,"currency_code":"USD","in_stock":true},{"title":"12mm \/ 5 PCS","offer_id":52336181051666,"sku":"AdaahZJQJD01363x5","price":18.96,"currency_code":"USD","in_stock":true},{"title":"4mm \/ 10 PCS","offer_id":52336181084434,"sku":"AdaahZJQJD01359x10","price":14.92,"currency_code":"USD","in_stock":true},{"title":"6mm \/ 10 PCS","offer_id":52336181117202,"sku":"AdaahZJQJD01360x10","price":17.58,"currency_code":"USD","in_stock":true},{"title":"8mm \/ 10 PCS","offer_id":52336181149970,"sku":"AdaahZJQJD01361x10","price":22.34,"currency_code":"USD","in_stock":true},{"title":"10mm \/ 10 PCS","offer_id":52336181182738,"sku":"AdaahZJQJD01362x10","price":28.55,"currency_code":"USD","in_stock":true},{"title":"12mm \/ 10 PCS","offer_id":52336181215506,"sku":"AdaahZJQJD01363x10","price":33.99,"currency_code":"USD","in_stock":true},{"title":"4mm \/ 20 PCS","offer_id":52336181248274,"sku":"AdaahZJQJD01359x20","price":26.1,"currency_code":"USD","in_stock":true},{"title":"6mm \/ 20 PCS","offer_id":52336181281042,"sku":"AdaahZJQJD01360x20","price":31.35,"currency_code":"USD","in_stock":true},{"title":"8mm \/ 20 PCS","offer_id":52336181313810,"sku":"AdaahZJQJD01361x20","price":40.24,"currency_code":"USD","in_stock":true},{"title":"10mm \/ 20 PCS","offer_id":52336181346578,"sku":"AdaahZJQJD01362x20","price":55.96,"currency_code":"USD","in_stock":true},{"title":"12mm \/ 20 PCS","offer_id":52336181379346,"sku":"AdaahZJQJD01363x20","price":66.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture7of7_666cec6f-e4b3-473d-9398-df9beabf2f80.jpg?v=1781544006","url":"https:\/\/homediyer.com\/de\/products\/nylon-push-to-connect-cross-4-way-pneumatic-fitting-4-12mm","provider":"HomeDIYer","version":"1.0","type":"link"}