{"product_id":"bsp-304-stainless-steel-female-male-elbow-union-pipe-fitting","title":"BSP 304 Stainless Steel Female Male Elbow Union Pipe Fitting — DN8 to DN50","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eBSP Stainless Steel Elbow Union Pipe Fitting — Change Direction Without Cutting Pipe\u003c\/h2\u003e\n\u003cp\u003eWhen a plumbing or fluid system needs to turn a corner and you also need the ability to disconnect the line without disturbing the rest of the run, a standard elbow simply is not enough. Plumbers, HVAC technicians, industrial maintenance crews, and serious DIYers rely on a \u003cstrong\u003eBSP stainless steel elbow union pipe fitting\u003c\/strong\u003e to solve both problems at once — a clean 90° direction change combined with tool-friendly disassembly at any time.\u003c\/p\u003e\n\u003cp\u003eEach piece is a three-part union elbow machined from \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e, combining a female BSP threaded inlet, a male BSP threaded outlet, and a union nut that locks the assembly together without requiring pipe rotation. Available in eight DN sizes from \u003cstrong\u003eDN8 (1\/4\")\u003c\/strong\u003e through \u003cstrong\u003eDN50 (2\")\u003c\/strong\u003e, covering the most common residential and light industrial pipe diameters. Sold individually (1 pc per order); select your size from the variant options above.\u003c\/p\u003e\n\u003cp\u003eTypical applications include redirecting water supply lines around obstacles in tight wall cavities, connecting pump inlets and outlets in irrigation or water treatment systems where seasonal maintenance is required, and routing compressed air or hydraulic lines in workshop or industrial equipment where a 90° turn and quick-disconnect capability are both needed.\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 BSP (British Standard Pipe) threads — fits standard BSP female and male ports. \u003cem\u003eNot directly compatible with NPT threads.\u003c\/em\u003e Use a BSP-to-NPT adapter if your system uses NPT fittings.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eSize Tip:\u003c\/strong\u003e DN size refers to nominal pipe diameter, not actual thread OD. Always verify your existing pipe BSP thread size before ordering. When in doubt, check the size stamped on your current fittings or measure thread OD with calipers.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These BSP Stainless Steel Elbow Union 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 90° Elbow Geometry\u003c\/strong\u003e — Redirects pipe runs at a precise right angle, ideal for navigating corners in wall-mounted plumbing, equipment enclosures, and tight mechanical spaces without additional bends or offsets.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eUnion Disconnect Design\u003c\/strong\u003e — The three-piece union construction lets you break the connection at any time without rotating either pipe end — a critical advantage for maintenance-heavy systems like water filters, pumps, and chemical dosing lines.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e304 Stainless Steel Construction\u003c\/strong\u003e — Resists rust, scale, and mild chemical attack in water supply, compressed air, and food-grade fluid systems. Holds up in damp or outdoor environments where brass or carbon steel fittings would corrode prematurely.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Size Range — DN8 to DN50\u003c\/strong\u003e — Eight sizes from 1\/4\" BSP up to 2\" BSP cover the majority of residential, commercial, and light industrial pipe diameters, so you can match the fitting to your existing system without reducers.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFemale × Male BSP Thread Ends\u003c\/strong\u003e — The female inlet and male outlet configuration allows direct connection into standard BSP tee branches, valve ports, and equipment inlets without additional adapters in most setups.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eReusable and Re-torqueable\u003c\/strong\u003e — The union nut can be tightened, loosened, and re-engaged repeatedly without damaging the seating surfaces, making these fittings suitable for systems opened and closed on a regular maintenance schedule.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — BSP Elbow Union Pipe 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\u003eFemale × Male BSP Union Elbow Pipe Fitting\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\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eBSP (British Standard Pipe)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eFemale inlet × Male outlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eDN8 (1\/4\") · DN10 (3\/8\") · DN15 (1\/2\") · DN20 (3\/4\") · DN25 (1\") · DN32 (1-1\/4\") · DN40 (1-1\/2\") · DN50 (2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBrushed \/ Mill finish stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Pressure\u003c\/th\u003e\n\u003ctd\u003eSee variant options — typically up to 150 PSI for standard water\/air service\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm for your specific media and pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 pc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Media\u003c\/th\u003e\n\u003ctd\u003eWater, air, mild chemicals, food-grade liquids (confirm for aggressive media)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNPT Compatible\u003c\/th\u003e\n\u003ctd\u003eNo — BSP threads only; use BSP-to-NPT adapter for NPT systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right size BSP elbow union fitting?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the DN (nominal diameter) to your existing pipe size using this reference:\u003c\/p\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003eDN8 = 1\/4\" BSP\u003c\/li\u003e\n\u003cli\u003eDN10 = 3\/8\" BSP\u003c\/li\u003e\n\u003cli\u003eDN15 = 1\/2\" BSP\u003c\/li\u003e\n\u003cli\u003eDN20 = 3\/4\" BSP\u003c\/li\u003e\n\u003cli\u003eDN25 = 1\" BSP\u003c\/li\u003e\n\u003cli\u003eDN32 = 1-1\/4\" BSP\u003c\/li\u003e\n\u003cli\u003eDN40 = 1-1\/2\" BSP\u003c\/li\u003e\n\u003cli\u003eDN50 = 2\" BSP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways measure your pipe thread OD with calipers or check the size stamped on existing fittings before ordering. DN size is a nominal designation — actual thread dimensions follow BSP standards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat pressure rating does this elbow union fitting handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003e304 stainless steel BSP fittings of this type are generally rated for working pressures up to \u003cstrong\u003e150 PSI (approximately 10 bar)\u003c\/strong\u003e in standard water and air plumbing applications. Actual ratings depend on size, temperature, and the specific media. Contact us to confirm for high-pressure or elevated-temperature applications before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan this fitting be used outdoors or in wet environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. 304 stainless steel provides good corrosion resistance in most outdoor, damp, and wet environments including garden irrigation, outdoor water supply lines, and exposed mechanical rooms. For highly corrosive environments — such as coastal saltwater exposure, swimming pool chemical systems, or aggressive industrial chemicals — 316 stainless steel is typically the recommended upgrade.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this fitting compatible with standard BSP threads?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. This fitting uses \u003cstrong\u003eBSP (British Standard Pipe)\u003c\/strong\u003e threads, which are widely used in plumbing, hydraulics, and industrial fluid systems across the US, UK, Australia, and Asia. BSP threads are \u003cem\u003enot\u003c\/em\u003e directly interchangeable with NPT (National Pipe Taper) threads — the thread angle and pitch differ. If your existing system uses NPT fittings, you will need a BSP-to-NPT adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the union design and why does it matter for maintenance?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe union design splits the fitting into three parts: two threaded pipe ends and a center union nut. This allows you to disconnect the elbow at any time by loosening the union nut — without rotating either pipe. In practice, this means you can swap out a pump, replace a filter, or service equipment downstream without cutting pipe or disturbing the rest of the system. It is a significant time-saver in any system that requires periodic maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need thread sealant with this fitting?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes, in most cases. Apply \u003cstrong\u003ePTFE thread tape (plumber's tape)\u003c\/strong\u003e or a compatible pipe thread sealant compound to the male BSP threads before assembly. Wrap PTFE tape 2–3 times in the direction of the thread (clockwise when viewed from the thread end). This ensures a leak-free seal and makes future disassembly easier. Do not apply sealant to the union nut seating face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat fluids or media is this fitting suitable for?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003e304 stainless steel elbow union fittings are generally suitable for:\u003c\/p\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003ePotable and non-potable water\u003c\/li\u003e\n\u003cli\u003eCompressed air and inert gases\u003c\/li\u003e\n\u003cli\u003eMild chemicals and cleaning solutions\u003c\/li\u003e\n\u003cli\u003eFood-grade liquids (verify with your local food safety authority)\u003c\/li\u003e\n\u003cli\u003eSteam at moderate temperatures and pressures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThey are not recommended for strong acids, high-concentration chlorides, or strongly oxidizing chemicals. Always confirm media compatibility before installation in chemical or industrial process systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003ematerial and size\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"304 stainless steel \/ DN8（1\u00264\"） \/ 1pcs","offer_id":52336596812050,"sku":"BEAR026485x1","price":14.91,"currency_code":"USD","in_stock":true},{"title":"304 stainless steel \/ DN10（3\u00268\"） \/ 1pcs","offer_id":52336596844818,"sku":"BEAR026486x1","price":16.82,"currency_code":"USD","in_stock":true},{"title":"304 stainless steel \/ DN15（1\u00262\"） \/ 1pcs","offer_id":52336596877586,"sku":"BEAR026487x1","price":22.1,"currency_code":"USD","in_stock":true},{"title":"304 stainless steel \/ DN20（3\u00264\"） \/ 1pcs","offer_id":52336596910354,"sku":"BEAR026488x1","price":32.15,"currency_code":"USD","in_stock":true},{"title":"304 stainless steel \/ DN25（1\"） \/ 1pcs","offer_id":52336596943122,"sku":"BEAR026489x1","price":44.58,"currency_code":"USD","in_stock":true},{"title":"304 stainless steel \/ DN32（1-1\u00264\"） \/ 1pcs","offer_id":52336596975890,"sku":"BEAR026490x1","price":64.76,"currency_code":"USD","in_stock":true},{"title":"304 stainless steel \/ DN40（1-1\u00262\"） \/ 1pcs","offer_id":52336597008658,"sku":"BEAR026491x1","price":82.47,"currency_code":"USD","in_stock":true},{"title":"304 stainless steel \/ DN50（2\"） \/ 1pcs","offer_id":52336597041426,"sku":"BEAR026492x1","price":122.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of6_76effa40-82cf-46dd-a017-56fce9a0ce47.jpg?v=1781070415","url":"https:\/\/homediyer.com\/products\/bsp-304-stainless-steel-female-male-elbow-union-pipe-fitting","provider":"HomeDIYer","version":"1.0","type":"link"}