{"product_id":"90-elbow-push-to-connect-pneumatic-fitting-equal-dia-4mm-16mm","title":"90° Elbow Push-to-Connect Pneumatic Fitting | Equal Dia 4mm–16mm","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 for my air line?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the fitting size to your tubing's outer diameter (OD). For example, if your tubing OD is 6mm (≈1\/4\\u201d), select the 6mm variant. Sizes available: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, and 16mm. When in doubt, measure your tube OD with calipers before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What pressure rating do these fittings typically handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Push-to-connect pneumatic fittings of this type generally support working pressures up to approximately 150 PSI (≈10 bar) under normal operating conditions. Always verify the rated pressure for your specific application before use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can these fittings be used outdoors or in humid environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These fittings are typically made from acetal (POM) or nylon body with brass or stainless internal components, which generally offer good resistance to moisture and mild corrosion. For prolonged outdoor or high-humidity use, confirm material compatibility with your environment before installation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these compatible with standard pneumatic tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. These equal-diameter 90° elbow fittings are designed for standard metric OD pneumatic tubing (polyurethane, nylon, or polyethylene). They use a push-in collet mechanism compatible with most metric air line tubing used in automation and DIY pneumatic systems.\"\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 are required for the tube connection — simply push the tube straight in until it seats. These are tube-to-tube elbow fittings with no threaded ports, so no thread tape (PTFE) is needed for the tube connection itself.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I release the tube from a push-to-connect fitting?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"To release the tube, press the collet ring (the outer ring around the tube entry) inward toward the fitting body while simultaneously pulling the tube out. This disengages the internal grab ring and allows clean removal without damaging the tube or fitting.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between equal-diameter and reducing elbow fittings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Equal-diameter (straight) elbow fittings connect two tubes of the same OD at a 90° angle, maintaining consistent flow diameter through the bend. Reducing elbows connect two different tube sizes. This listing is for equal-diameter only — both ports accept the same tube size.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e90° Elbow Push-to-Connect Pneumatic Fittings — Route Air Lines Without Kinking\u003c\/h2\u003e\n    \u003cp\u003eRouting compressed air lines around corners in tight enclosures, machine frames, or DIY pneumatic rigs is a constant challenge. Forced bends in tubing restrict airflow and eventually crack the line. These equal-diameter 90° elbow push-to-connect pneumatic fittings give hobbyists, automation technicians, and workshop builders a clean, tool-free solution for making right-angle turns in any air circuit.\u003c\/p\u003e\n    \u003cp\u003eEach fitting is a single equal-diameter 90° elbow unit with two push-in ports accepting the same tube OD on both ends. Available in seven sizes — 4mm (≈5\/32\"), 6mm (≈1\/4\"), 8mm (≈5\/16\"), 10mm (≈3\/8\"), 12mm (≈15\/32\"), 14mm (≈9\/16\"), and 16mm (≈5\/8\") — to match standard metric pneumatic tubing. Body material is typically acetal (POM) or nylon with an internal stainless or brass collet grab ring. Order in 1-piece, 5-piece, or 10-piece quantities to suit your project scale.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include routing air supply lines inside CNC enclosures, connecting compressor output to filter-regulator units at a right angle, building modular pneumatic control panels, and plumbing air cylinders in DIY automation projects where space constraints require a 90° direction change without a swept bend.\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 Designed for standard metric OD pneumatic tubing (polyurethane, nylon, or polyethylene). Select the fitting size that matches your tubing's \u003cem\u003eouter diameter\u003c\/em\u003e. Not for use with imperial (inch) OD tubing without confirming OD match.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These 90° Elbow 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\u003eTool-Free Push-In Connection\u003c\/strong\u003e — Insert the tube straight in until it seats; the internal collet grab ring locks it instantly with no wrenches, clamps, or thread tape required.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eTrue 90° Equal-Diameter Elbow\u003c\/strong\u003e — Both ports accept the same tube OD, making these ideal for right-angle direction changes in pneumatic air line routing without flow restriction from a size mismatch.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSeven Metric Sizes (4mm–16mm)\u003c\/strong\u003e — Covers the most common metric pneumatic tubing ODs used in automation, workshop air systems, and DIY pneumatic projects, from compact 4mm signal lines to 16mm main supply runs.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e♻️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eReleasable and Reusable\u003c\/strong\u003e — Press the collet ring to release the tube cleanly; fittings can be disconnected and reconnected multiple times during system assembly or reconfiguration without damage.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMoisture-Resistant Body Material\u003c\/strong\u003e — Acetal (POM) or nylon body construction generally resists moisture, mild oils, and common workshop chemicals encountered in compressed air environments.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Pack Quantities\u003c\/strong\u003e — Available in 1-piece, 5-piece, and 10-piece packs so you can order exactly what your project needs — whether it's a single repair or stocking a full pneumatic panel build.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — 90° Elbow Pneumatic 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\u003eFitting Type\u003c\/th\u003e\n\u003ctd\u003eEqual-Diameter 90° Elbow, Push-to-Connect (Push-In)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Tube OD Sizes\u003c\/th\u003e\n\u003ctd\u003e4mm (≈5\/32\"), 6mm (≈1\/4\"), 8mm (≈5\/16\"), 10mm (≈3\/8\"), 12mm (≈15\/32\"), 14mm (≈9\/16\"), 16mm (≈5\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eConnection Method\u003c\/th\u003e\n\u003ctd\u003ePush-in collet with internal grab ring; tool-free insertion\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBody Material\u003c\/th\u003e\n\u003ctd\u003eAcetal (POM) or Nylon (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInternal Components\u003c\/th\u003e\n\u003ctd\u003eStainless steel or brass collet grab ring (contact us to confirm)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Tubing Types\u003c\/th\u003e\n\u003ctd\u003ePolyurethane (PU), Nylon (PA), Polyethylene (PE) — metric OD\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) — see variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eElbow Angle\u003c\/th\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePort Configuration\u003c\/th\u003e\n\u003ctd\u003eEqual diameter — both ports same OD\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantities\u003c\/th\u003e\n\u003ctd\u003e1 Pcs, 5 Pcs, 10 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003ePneumatic air lines, automation systems, DIY compressed air circuits\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\u003eSize Note:\u003c\/strong\u003e Always measure your tubing's \u003cem\u003eouter diameter (OD)\u003c\/em\u003e — not the inner diameter — before selecting a size. Using calipers gives the most accurate reading. If you are unsure, contact us to confirm compatibility before ordering.\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 for my air line?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMatch the fitting size to your tubing's outer diameter (OD). For example, if your tubing OD is 6mm (≈1\/4\"), select the 6mm variant. Sizes available: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, and 16mm. When in doubt, measure your tube OD with calipers before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat pressure rating do these fittings typically handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePush-to-connect pneumatic fittings of this type generally support working pressures up to approximately 150 PSI (≈10 bar) under normal operating conditions. Always verify the rated pressure for your specific application before use.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan these fittings be used outdoors or in humid environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese fittings are typically made from acetal (POM) or nylon body with brass or stainless internal components, which generally offer good resistance to moisture and mild corrosion. For prolonged outdoor or high-humidity use, confirm material compatibility with your environment before installation.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these compatible with standard pneumatic tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. These equal-diameter 90° elbow fittings are designed for standard metric OD pneumatic tubing (polyurethane, nylon, or polyethylene). They use a push-in collet mechanism compatible with most metric air line tubing used in automation and DIY pneumatic systems.\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 are required for the tube connection — simply push the tube straight in until it seats. These are tube-to-tube elbow fittings with no threaded ports, so no thread tape (PTFE) is needed for the tube connection itself.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I release the tube from a push-to-connect fitting?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eTo release the tube, press the collet ring (the outer ring around the tube entry) inward toward the fitting body while simultaneously pulling the tube out. This disengages the internal grab ring and allows clean removal without damaging the tube or fitting.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between equal-diameter and reducing elbow fittings?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eEqual-diameter (straight) elbow fittings connect two tubes of the same OD at a 90° angle, maintaining consistent flow diameter through the bend. Reducing elbows connect two different tube sizes. This listing is for equal-diameter only — both ports accept the same tube size.\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 \/ 1Pcs","offer_id":52336285942034,"sku":"PENG017899x1","price":1.7,"currency_code":"USD","in_stock":true},{"title":"6mm \/ 1Pcs","offer_id":52336285974802,"sku":"PENG017900x1","price":1.89,"currency_code":"USD","in_stock":true},{"title":"8mm \/ 1Pcs","offer_id":52336286007570,"sku":"PENG017901x1","price":1.89,"currency_code":"USD","in_stock":true},{"title":"10mm \/ 1Pcs","offer_id":52336286040338,"sku":"PENG017902x1","price":1.97,"currency_code":"USD","in_stock":true},{"title":"12mm \/ 1Pcs","offer_id":52336286073106,"sku":"PENG017903x1","price":1.97,"currency_code":"USD","in_stock":true},{"title":"14mm \/ 1Pcs","offer_id":52336286105874,"sku":"PENG017904x1","price":2.16,"currency_code":"USD","in_stock":true},{"title":"16mm \/ 1Pcs","offer_id":52336286138642,"sku":"PENG017905x1","price":2.16,"currency_code":"USD","in_stock":true},{"title":"4mm \/ 5Pcs","offer_id":52336286171410,"sku":"PENG017899x5","price":2.3,"currency_code":"USD","in_stock":true},{"title":"6mm \/ 5Pcs","offer_id":52336286204178,"sku":"PENG017900x5","price":2.52,"currency_code":"USD","in_stock":true},{"title":"8mm \/ 5Pcs","offer_id":52336286236946,"sku":"PENG017901x5","price":2.71,"currency_code":"USD","in_stock":true},{"title":"10mm \/ 5Pcs","offer_id":52336286269714,"sku":"PENG017902x5","price":3.6,"currency_code":"USD","in_stock":true},{"title":"12mm \/ 5Pcs","offer_id":52336286302482,"sku":"PENG017903x5","price":3.93,"currency_code":"USD","in_stock":true},{"title":"14mm \/ 5Pcs","offer_id":52336286335250,"sku":"PENG017904x5","price":6.51,"currency_code":"USD","in_stock":true},{"title":"16mm \/ 5Pcs","offer_id":52336286368018,"sku":"PENG017905x5","price":7.0,"currency_code":"USD","in_stock":true},{"title":"4mm \/ 10Pcs","offer_id":52336286400786,"sku":"PENG017899x10","price":2.98,"currency_code":"USD","in_stock":true},{"title":"6mm \/ 10Pcs","offer_id":52336286433554,"sku":"PENG017900x10","price":3.74,"currency_code":"USD","in_stock":true},{"title":"8mm \/ 10Pcs","offer_id":52336286466322,"sku":"PENG017901x10","price":4.56,"currency_code":"USD","in_stock":true},{"title":"10mm \/ 10Pcs","offer_id":52336286499090,"sku":"PENG017902x10","price":6.32,"currency_code":"USD","in_stock":true},{"title":"12mm \/ 10Pcs","offer_id":52336286531858,"sku":"PENG017903x10","price":7.0,"currency_code":"USD","in_stock":true},{"title":"14mm \/ 10Pcs","offer_id":52336286564626,"sku":"PENG017904x10","price":12.23,"currency_code":"USD","in_stock":true},{"title":"16mm \/ 10Pcs","offer_id":52336286597394,"sku":"PENG017905x10","price":13.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture2of11_ad7906d3-fa3e-468c-a617-b8553447e93a.jpg?v=1781623264","url":"https:\/\/homediyer.com\/de\/products\/90-elbow-push-to-connect-pneumatic-fitting-equal-dia-4mm-16mm","provider":"HomeDIYer","version":"1.0","type":"link"}