{"product_id":"pneumatic-y-union-splitter-push-in-fitting-3-way-air-hose-connector-4-12mm","title":"Pneumatic Y Union Splitter Push In Fitting — 3-Way Air Hose Connector, Tube 4–12mm","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 tube size for my pneumatic Y splitter?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the fitting size to your air hose outer diameter (OD). For example, PY-04 fits 4mm OD tubing (≈5\/32\\u201d), PY-06 fits 6mm OD (≈1\/4\\u201d), PY-08 fits 8mm OD (≈5\/16\\u201d), PY-10 fits 10mm OD (≈3\/8\\u201d), and PY-12 fits 12mm OD (≈1\/2\\u201d). Always measure your tube's outer diameter before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the maximum working pressure these fittings can handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Pneumatic push-in Y fittings of this type are generally rated for working pressures up to approximately 150 PSI (≈10 bar). For your specific application, please confirm the rated pressure with us before use in high-demand systems.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can these Y connectors be used outdoors or in humid environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These fittings are typically made from engineering-grade plastic (such as PA or POM) with internal stainless or nickel-plated brass collets, which generally offer good resistance to moisture and mild corrosion. For prolonged outdoor or chemically aggressive environments, contact us to confirm material compatibility.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these push-in fittings compatible with polyurethane (PU) and nylon (PA) tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Push-in Y union splitters of this style are generally compatible with standard pneumatic tubing materials including PU (polyurethane), PA (nylon), and PE (polyethylene) hoses, provided the tube OD matches the fitting size. Confirm compatibility with silicone or specialty tubing before use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need any tools or thread tape to install these fittings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No tools or thread tape are required. Simply push the tube straight into the fitting until it seats fully — the internal collet grips and seals automatically. To release, press the release collar inward while pulling the tube out.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many pieces do I need to order, and can I mix sizes?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each listing is sold by size and quantity (1, 2, or 5 pcs per order). Sizes cannot be mixed within a single variant — select the size and quantity that matches your project needs. For bulk or mixed-size orders, contact us directly.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What thread standard do these Y fittings use on the body ports?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These are push-in style fittings with no external thread — all three ports accept push-in tube connections. There is no NPT or BSP thread on the body. If you need a threaded-to-tube adapter, see our other pneumatic fitting listings.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003ePneumatic Y Union Splitter Push In Fitting — Split One Air Line Into Three, Instantly\u003c\/h2\u003e\n    \u003cp\u003eWhen your pneumatic setup demands a clean, reliable air line split — whether you're running multiple actuators, cylinders, or tools from a single compressor outlet — a loose hose or improvised junction creates pressure drops and leaks that slow your work. These push-in Y union splitters are designed for DIYers, workshop technicians, and automation builders who need a fast, tool-free 3-way air connection they can trust.\u003c\/p\u003e\n    \u003cp\u003eEach fitting is a single-piece Y-body push-in connector with three equal 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 quantities of 1, 2, or 5 pieces per order. The body is constructed from engineering-grade plastic with an internal stainless-style collet and elastomeric O-ring seal for a secure, leak-resistant grip on standard pneumatic tubing.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include splitting a single compressor air supply to two pneumatic cylinders, connecting multiple push-in air hose lines in a 3-way manifold configuration, and building compact pneumatic control circuits for DIY automation, woodworking, or light industrial applications where a push-to-connect air fitting simplifies routing.\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 pneumatic tubing with outer diameters of 4mm, 6mm, 8mm, 10mm, or 12mm — including PU, PA (nylon), and PE hose. Select your tube OD from the Size option above. Not compatible with imperial tubing sizes unless OD matches.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These Pneumatic Y Union Push-In Splitter 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\u003eTool-Free Push-In Installation\u003c\/strong\u003e — Insert your air hose tube straight into any port until it clicks; the internal collet grips automatically for a secure push-to-connect air fitting without wrenches or thread tape.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eTrue 3-Way Y Split\u003c\/strong\u003e — Divides one incoming air line into two outlets in a symmetrical Y configuration, maintaining balanced flow distribution across all three ports of the pneumatic 3-way connector.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📈\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFive Tube Sizes Available\u003c\/strong\u003e — Covers the most common pneumatic hose outer diameters from 4mm to 12mm (≈5\/32\" to ≈1\/2\"), making it straightforward to match your existing air hose tube size.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔒\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eInternal Collet \u0026amp; O-Ring Seal\u003c\/strong\u003e — The stainless-style collet teeth grip the tube wall while the elastomeric O-ring creates a leak-resistant seal, reducing pressure loss in your pneumatic circuit.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eQuick-Release Design\u003c\/strong\u003e — To disconnect, simply press the release collar inward while pulling the tube — no cutting, no damage to the tube end, allowing fast reconfiguration of your air hose splitter setup.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏭\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eCompact Y-Body Form Factor\u003c\/strong\u003e — The low-profile body fits into tight panel spaces and junction boxes, ideal for compact pneumatic control circuits in DIY automation and workshop air distribution systems.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — Pneumatic Y Union Push-In Fitting\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eFitting Type\u003c\/th\u003e\n\u003ctd\u003ePush-In Y Union Splitter (3-Way)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Tube Sizes (OD)\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\u003eBody Material\u003c\/th\u003e\n\u003ctd\u003eEngineering-grade plastic (typically PA or POM); see variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCollet \/ Grip Material\u003c\/th\u003e\n\u003ctd\u003eStainless-style metal collet (contact us to confirm exact alloy)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSeal Type\u003c\/th\u003e\n\u003ctd\u003eElastomeric O-ring\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Tubing\u003c\/th\u003e\n\u003ctd\u003ePU (polyurethane), PA (nylon), PE (polyethylene) pneumatic hose\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 0°C to 60°C (32°F to 140°F); contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread on Body\u003c\/th\u003e\n\u003ctd\u003eNone — all ports are push-in style\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 Pcs, 2 Pcs, or 5 Pcs (select above)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSKU Series\u003c\/th\u003e\n\u003ctd\u003eFXL373\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 your tube's outer diameter (OD) before ordering. Tube OD and inner diameter (ID) differ — this fitting connects by tube OD. If unsure, measure with calipers or contact us before purchase.\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 tube size for my pneumatic Y splitter?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMatch the fitting size to your air hose \u003cstrong\u003eouter diameter (OD)\u003c\/strong\u003e. For example: PY-04 fits 4mm OD tubing (≈5\/32\"), PY-06 fits 6mm OD (≈1\/4\"), PY-08 fits 8mm OD (≈5\/16\"), PY-10 fits 10mm OD (≈3\/8\"), and PY-12 fits 12mm OD (≈1\/2\"). Always measure your tube's outer diameter with calipers before ordering — do not rely on the tube's inner diameter or nominal size alone.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the maximum working pressure these fittings can handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePneumatic push-in Y fittings of this type are generally rated for working pressures up to approximately \u003cstrong\u003e150 PSI (≈10 bar)\u003c\/strong\u003e. For high-demand or safety-critical systems, please contact us to confirm the rated pressure for your specific size before use.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan these Y connectors be used outdoors or in humid environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese fittings are typically constructed from engineering-grade plastic with internal metal collets that generally offer good resistance to moisture and mild corrosion. In most cases they perform well in workshop and light industrial environments. For prolonged outdoor exposure or chemically aggressive conditions, contact us to confirm material compatibility before installation.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these push-in fittings compatible with polyurethane (PU) and nylon (PA) tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. Push-in Y union splitters of this style are generally compatible with standard pneumatic tubing materials including \u003cstrong\u003ePU (polyurethane)\u003c\/strong\u003e, \u003cstrong\u003ePA (nylon)\u003c\/strong\u003e, and \u003cstrong\u003ePE (polyethylene)\u003c\/strong\u003e hoses, provided the tube OD matches the selected fitting size. Confirm compatibility with silicone or specialty tubing before use, as softer materials may not grip as securely in the collet.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need any tools or thread tape to install these fittings?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eNo tools or thread tape are required. Simply push the tube straight into the fitting port until it seats fully — the internal collet grips and the O-ring seals automatically. To release, press the release collar inward while pulling the tube out. Ensure the tube end is cut cleanly and squarely for the best seal.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow many pieces do I need to order, and can I mix sizes in one order?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eEach listing is sold by size and quantity — choose 1, 2, or 5 pieces of a single size per variant. Sizes cannot be mixed within a single variant selection. For bulk orders or mixed-size requirements, contact us directly and we can assist with a custom order.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread standard do these Y fittings use on the body ports?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese are \u003cstrong\u003epush-in style fittings with no external thread\u003c\/strong\u003e on the body — all three ports accept push-in tube connections only. There is no NPT or BSP thread on this fitting. If you need a threaded-to-tube adapter (e.g., male NPT to push-in), please browse our other pneumatic fitting listings or contact us.\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":"PY-04 (Tube 4mm ) \/ 1Pcs","offer_id":52335968846098,"sku":"FXL373-0","price":1.56,"currency_code":"USD","in_stock":true},{"title":"PY-04 (Tube 4mm ) \/ 2Pcs","offer_id":52335968878866,"sku":"FXL373-1","price":1.7,"currency_code":"USD","in_stock":true},{"title":"PY-04 (Tube 4mm ) \/ 5Pcs","offer_id":52335968911634,"sku":"FXL373-2","price":2.03,"currency_code":"USD","in_stock":true},{"title":"PY-06 (Tube 6mm ) \/ 1Pcs","offer_id":52335968944402,"sku":"FXL373-3","price":1.62,"currency_code":"USD","in_stock":true},{"title":"PY-06 (Tube 6mm ) \/ 2Pcs","offer_id":52335968977170,"sku":"FXL373-4","price":1.75,"currency_code":"USD","in_stock":true},{"title":"PY-06 (Tube 6mm ) \/ 5Pcs","offer_id":52335969009938,"sku":"FXL373-5","price":2.38,"currency_code":"USD","in_stock":true},{"title":"PY-08 (Tube 8mm ) \/ 1Pcs","offer_id":52335969042706,"sku":"FXL373-6","price":1.62,"currency_code":"USD","in_stock":true},{"title":"PY-08 (Tube 8mm ) \/ 2Pcs","offer_id":52335969075474,"sku":"FXL373-7","price":1.84,"currency_code":"USD","in_stock":true},{"title":"PY-08 (Tube 8mm ) \/ 5Pcs","offer_id":52335969108242,"sku":"FXL373-8","price":2.79,"currency_code":"USD","in_stock":true},{"title":"PY-10 (Tube 10mm ) \/ 1Pcs","offer_id":52335969141010,"sku":"FXL373-9","price":1.75,"currency_code":"USD","in_stock":true},{"title":"PY-10 (Tube 10mm ) \/ 2Pcs","offer_id":52335969173778,"sku":"FXL373-10","price":2.11,"currency_code":"USD","in_stock":true},{"title":"PY-10 (Tube 10mm ) \/ 5Pcs","offer_id":52335969206546,"sku":"FXL373-11","price":4.75,"currency_code":"USD","in_stock":true},{"title":"PY-12 (Tube 12mm ) \/ 1Pcs","offer_id":52335969239314,"sku":"FXL373-12","price":1.75,"currency_code":"USD","in_stock":true},{"title":"PY-12 (Tube 12mm ) \/ 2Pcs","offer_id":52335969272082,"sku":"FXL373-13","price":2.71,"currency_code":"USD","in_stock":true},{"title":"PY-12 (Tube 12mm ) \/ 5Pcs","offer_id":52335969304850,"sku":"FXL373-14","price":5.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of6_10d20ec9-b70f-4b8e-865d-c79096922397.jpg?v=1781436511","url":"https:\/\/homediyer.com\/de\/products\/pneumatic-y-union-splitter-push-in-fitting-3-way-air-hose-connector-4-12mm","provider":"HomeDIYer","version":"1.0","type":"link"}