{"product_id":"dazakoot-brass-1-2-od-dot-air-brake-union-fitting-with-sleeve-tube-350-psi-corrosion-resistant","title":"Dazakoot Brass 1\/2\" OD DOT Air Brake Union Fitting with Sleeve Tube — 350 psi, corrosion-resistant","description":"\u003cp\u003e\u003cstrong\u003eDazakoot Brass 1\/2\" OD DOT Air Brake Union Fitting with Sleeve Tube is a DOT-compliant brass union designed to create a secure, leak-resistant connection for 1\/2\" outside-diameter air brake hoses on heavy vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt from high-purity brass and engineered to meet D.O.T. FMVSS571.106 when paired with SAE J1402 hose, this union fitting combines robust corrosion resistance with precision sleeve and thread machining for reliable sealing. The simple single-wrench installation and tested working pressure up to 350 psi make it suitable for commercial truck air brake systems and other pneumatic applications where a compact, durable union is required.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this fitting ensure a leak-free connection?\u003c\/h3\u003e\n\u003cp\u003eThe union uses a precision-machined sleeve tube and accurately cut threads to compress and seal the hose end uniformly. This mechanical sealing avoids common leak points and maintains air system efficiency without relying on soft adhesives.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision sleeve tube design for uniform compression\u003c\/li\u003e\n  \u003cli\u003eThread tolerances engineered to minimize gaps\u003c\/li\u003e\n  \u003cli\u003eCompatible with SAE J1402 hoses for DOT compliance\u003c\/li\u003e\n  \u003cli\u003eTested to handle pressures up to 350 psi\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fitting resist corrosion in harsh environments?\u003c\/h3\u003e\n\u003cp\u003eThe fitting’s body is formed from pure brass, which offers strong resistance to oxidation and corrosion compared with many base metals. That material choice helps the connector retain mechanical integrity and appearance even when exposed to road salts and wet conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-purity brass construction reduces rust risk\u003c\/li\u003e\n  \u003cli\u003eDurable finish withstands salt, moisture, and grime\u003c\/li\u003e\n  \u003cli\u003eDesigned for long-term service in commercial use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what tools are needed?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: one appropriately sized wrench is all that’s required to fasten the union and compress the sleeve onto a 1\/2\" OD air brake hose. Dazakoot provides product videos and technical support if extra guidance is needed during the fitment process.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle-wrench installation saves time\u003c\/li\u003e\n  \u003cli\u003eClear mechanical engagement—no adhesives required\u003c\/li\u003e\n  \u003cli\u003eManufacturer guidance and after-sales technical help available\u003c\/li\u003e\n  \u003cli\u003eSuitable for on-vehicle repairs and shop installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat specifications and performance limits should I know?\u003c\/h3\u003e\n\u003cp\u003eThe union is specified for use with 1\/2\" outside-diameter brake hose and meets DOT FMVSS571.106 when paired with SAE J1402 hose. It has demonstrated a maximum working pressure up to 350 psi under test conditions; actual system limits should follow vehicle manufacturer and local regulations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for 1\/2\" OD air brake hoses\u003c\/li\u003e\n  \u003cli\u003eDOT FMVSS571.106 compliance with SAE J1402 hose\u003c\/li\u003e\n  \u003cli\u003eMaximum tested working pressure: 350 psi\u003c\/li\u003e\n  \u003cli\u003ePure brass body for mechanical strength and corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Dazakoot Brass 1\/2\" OD DOT Air Brake Union Fitting with Sleeve Tube is aimed at commercial truck technicians, fleet maintenance managers, and DIY mechanics who need a compact, durable union for maintaining or repairing pneumatic brake systems. It’s a practical choice when you require a DOT-compatible fitting that installs quickly, resists corrosion, and performs reliably under the pressures typical of heavy-vehicle air systems. If you manage a fleet or perform on-road repairs and want a straightforward, field-serviceable connector, this fitting is engineered for that use case.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this fitting compatible with DOT regulations?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—when used with SAE J1402 air brake hose, the fitting meets D.O.T. FMVSS571.106 requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What tool do I need to install the union?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A single appropriately sized wrench is all that’s required to tighten and seat the sleeve tube.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dazakoot","offers":[{"title":"Default Title","offer_id":67591360348345,"sku":"B0D8PS9FT1","price":69.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/dazakoot-brass-union-front-view.jpg?v=1790548527","url":"https:\/\/redleafauto.ca\/products\/dazakoot-brass-1-2-od-dot-air-brake-union-fitting-with-sleeve-tube-350-psi-corrosion-resistant","provider":"Redleaf Auto","version":"1.0","type":"link"}