{"product_id":"bsp-4-way-cross-brass-pipe-fitting","title":"BSP 4-Way Cross Brass Pipe Fitting | 1\/2\" \u0026 3\/4\" | Male \u0026 Female Thread Configurations","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eBSP 4-Way Cross Brass Pipe Fitting — Split Your Line in Four Directions\u003c\/h2\u003e\n\u003cp\u003eWhen a plumbing run, compressed air line, or hydraulic circuit needs to branch in four directions at once, a standard tee just won't cut it. Contractors, maintenance technicians, and serious DIYers who work with BSP-threaded systems know the frustration of sourcing a reliable 4-way cross fitting that seals cleanly and holds up over time. These brass 4-way cross pipe fittings are built for exactly that job.\u003c\/p\u003e\n\u003cp\u003eEach fitting is machined from solid brass and features four threaded ports arranged in a cross (plus) pattern. Available in \u003cstrong\u003e1\/2\" BSP\u003c\/strong\u003e and \u003cstrong\u003e3\/4\" BSP\u003c\/strong\u003e thread sizes, with port configurations spanning all-male (M×M×M×M), all-female (F×F×F×F), and mixed male\/female combinations — including Union variants for easy disassembly. Order in quantities of 1, 2, 5, 8, or 10 pieces to match your project scale.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include residential and commercial plumbing manifolds, compressed air distribution systems, garden irrigation networks, and industrial fluid control lines where a single supply needs to feed multiple branch circuits simultaneously.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔗\u003c\/span\u003e \u003cstrong\u003eThread Compatibility:\u003c\/strong\u003e These fittings use \u003cstrong\u003eBSP (British Standard Pipe)\u003c\/strong\u003e threads — also known as G-thread (parallel) or R-thread (tapered). BSP is \u003cem\u003enot\u003c\/em\u003e directly interchangeable with NPT (US National Pipe Thread) without an adapter. Verify your existing pipe thread standard before ordering.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These BSP 4-Way Cross Brass Pipe 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\u003eFour-Port Cross Design\u003c\/strong\u003e — Splits a single supply line into four branch directions in one compact fitting, eliminating the need for multiple tees and reducing potential leak points in your system.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🟡\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eSolid Brass Construction\u003c\/strong\u003e — Machined from brass for inherent corrosion resistance, good thermal conductivity, and compatibility with water, air, and many hydraulic fluids — a reliable choice for BSP cross fitting applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eMultiple Port Configurations\u003c\/strong\u003e — Choose from all-male, all-female, or mixed male\/female thread arrangements across the four ports, so you can match your existing pipe ends without adapters.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eUnion Variants Available\u003c\/strong\u003e — Select size options with a Union connection allow the fitting to be disconnected and reconnected without disturbing the rest of the pipe run — ideal for maintenance-accessible installations.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eStandard BSP Thread Sizing\u003c\/strong\u003e — Available in 1\/2\" BSP and 3\/4\" BSP, the two most common sizes in residential and light commercial plumbing and pneumatic systems across the UK, EU, Australia, and Asia-Pacific markets.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eFlexible Quantity Options\u003c\/strong\u003e — Order 1, 2, 5, 8, or 10 pieces per transaction, making it practical for single-point repairs, small installations, or stocking a maintenance kit for larger facilities.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eSpec Confirmation:\u003c\/strong\u003e Exact thread pitch, wall thickness, and pressure rating vary by size and configuration. If your application has specific pressure or temperature requirements, please contact us to confirm before ordering.\u003c\/div\u003e\n\u003ch2\u003e📐 Technical Specifications — BSP 4-Way Cross Brass Pipe 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\u003e4-Way Cross (Plus Pattern)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eBSP (British Standard Pipe) — G (parallel) or R (tapered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Thread Sizes\u003c\/th\u003e\n\u003ctd\u003e1\/2\" BSP \u0026amp; 3\/4\" BSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePort Configurations\u003c\/th\u003e\n\u003ctd\u003eAll-Male (M×M×M×M), All-Female (F×F×F×F), Mixed M\/F, Union variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural brass (uncoated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Ports\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Pressure\u003c\/th\u003e\n\u003ctd\u003eSee variant options — contact us to confirm for your application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Temperature\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Media\u003c\/th\u003e\n\u003ctd\u003eWater, air, hydraulic fluid (non-aggressive); contact us for chemical compatibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1, 2, 5, 8, or 10 pieces (select above)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right BSP size for my pipe fitting?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBSP sizes refer to the nominal bore of the pipe, not the outer diameter of the thread. For \u003cstrong\u003e1\/2\" BSP\u003c\/strong\u003e, the thread outer diameter is typically around 20.9mm (≈0.82\"). For \u003cstrong\u003e3\/4\" BSP\u003c\/strong\u003e, it is typically around 26.4mm (≈1.04\"). The best approach is to measure the thread OD of your existing fitting with calipers, or check the nominal bore stamped on your pipe or valve. When in doubt, bring an existing fitting to compare before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat pressure can these brass cross fittings handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBrass BSP fittings generally handle working pressures in the range of 200–600 PSI depending on size, wall thickness, and the specific alloy used. For water supply and compressed air at typical residential or light commercial pressures (generally under 150 PSI), these fittings are typically well within rating. For high-pressure hydraulic or industrial applications, please contact us to confirm the exact pressure rating for your chosen variant.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these fittings outdoors or in wet\/humid environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBrass has naturally good corrosion resistance and is commonly used in outdoor plumbing, garden irrigation, and marine-adjacent applications. In most cases, brass performs well in wet and humid conditions. However, in highly saline environments (e.g., coastal saltwater exposure) or where aggressive chemicals are present, additional protection or a different material may be advisable. Contact us to confirm suitability for your specific environment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre BSP threads compatible with NPT fittings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo — BSP and NPT (National Pipe Thread, the US standard) are \u003cstrong\u003enot directly interchangeable\u003c\/strong\u003e. While 1\/2\" BSP and 1\/2\" NPT have a similar thread count (14 TPI vs. 14 TPI), the thread angle and form differ, which means they will not seal reliably when mixed. If you need to connect BSP to NPT, use a dedicated BSP-to-NPT adapter fitting. Always verify the thread standard on your existing pipes and valves before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the Male and Female port configuration options?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMale (M) ports have \u003cstrong\u003eexternal threads\u003c\/strong\u003e that screw into a female-threaded socket, valve, or fitting. Female (F) ports have \u003cstrong\u003einternal threads\u003c\/strong\u003e that accept a male-threaded pipe end or nipple. The execution options describe the thread gender on each of the four ports — for example, \"Cross M×M×M×M\" means all four ports are male-threaded. Choose the configuration that matches the thread gender on your existing pipe ends to avoid needing additional adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does the \"Union\" size option mean, and do I need it?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA Union connection allows the fitting to be \u003cstrong\u003edisconnected and reconnected without rotating the entire pipe assembly\u003c\/strong\u003e. This is useful in systems where you anticipate future maintenance, filter changes, or equipment swaps. If your installation is permanent and access is not a concern, the standard (non-union) option is sufficient. If you need to be able to break the connection easily for servicing, select the Union variant.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need PTFE tape or thread sealant with these fittings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eIt depends on the thread type. For \u003cstrong\u003eparallel BSP (G-thread)\u003c\/strong\u003e fittings, sealing is achieved at the face using a bonded seal washer or O-ring — PTFE tape on the threads alone is generally not sufficient. For \u003cstrong\u003etapered BSP (R-thread)\u003c\/strong\u003e fittings, PTFE tape or a thread sealant compound applied to the male threads is typically recommended for a leak-free joint. Check whether your fitting is parallel or tapered, and apply the appropriate sealing method before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003eexecution (port configuration), size, and quantity\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Cross M \u0026 M \u0026 M \u0026 M  #1 \/ 1\u00262\" \/ 1 Pcs","offer_id":52331573051666,"sku":"FAS024516x1","price":21.92,"currency_code":"USD","in_stock":true},{"title":"Cross M \u0026 M \u0026 M \u0026 M  #1 \/ 1\u00262\" \/ 2 Pcs","offer_id":52331573084434,"sku":"FAS024516x2","price":35.55,"currency_code":"USD","in_stock":true},{"title":"Cross M \u0026 M \u0026 M \u0026 M  #1 \/ 1\u00262\" \/ 5 Pcs","offer_id":52331573117202,"sku":"FAS024516x5","price":70.69,"currency_code":"USD","in_stock":true},{"title":"Cross M \u0026 M \u0026 M 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