{"product_id":"45-degree-bspt-threaded-elbow-pipe-fittings-a2-stainless-steel","title":"45° BSPT Threaded Elbow Pipe Fittings — A2 Stainless Steel, 1\/8\" to 4\", Female \u0026 Female-to-Male","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003e45° BSPT Threaded Elbow Fittings — Redirect Your Pipe Run Without Compromising Flow\u003c\/h2\u003e\n\u003cp\u003eWhen a 90° turn creates too much flow restriction or simply won't fit your layout, a 45° BSPT threaded elbow fitting is the right tool for the job. Plumbers, pipefitters, and serious DIYers working on water supply lines, compressed air systems, or industrial fluid circuits know that the wrong fitting — or a corroded one — can mean a costly leak or a full rework. These 45° BSPT pipe elbow fittings are built for installers who need a reliable, corrosion-resistant solution the first time.\u003c\/p\u003e\n\u003cp\u003eEach fitting is machined from A2 stainless steel (equivalent to 304 SS), offering a strong, rust-resistant body suited for demanding environments. Available in two configurations — \u003cstrong\u003eFemale-Female (FF)\u003c\/strong\u003e and \u003cstrong\u003eFemale-to-Male (FM)\u003c\/strong\u003e — and in a wide size range from \u003cstrong\u003e1\/8\" (≈9.7mm thread OD) to 4\" (≈133mm thread OD)\u003c\/strong\u003e, these elbows cover the majority of BSPT pipe sizes used in residential, commercial, and light industrial plumbing. Sold individually (1 Pcs per order) so you can order exactly what your project requires.\u003c\/p\u003e\n\u003cp\u003eTypical applications include redirecting water supply lines at a 45° angle in tight wall cavities, routing compressed air distribution headers around obstructions, connecting hydraulic or pneumatic lines in machinery enclosures, and building custom stainless steel pipe assemblies for food-grade or sanitary environments where corrosion resistance is essential.\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\u003eBSPT (British Standard Pipe Taper)\u003c\/strong\u003e threads — 55° thread angle. They are \u003cstrong\u003enot interchangeable\u003c\/strong\u003e with NPT (60° thread angle) fittings common in North American plumbing. Verify your pipe thread standard before ordering.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These 45° BSPT Stainless Steel Elbow 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 45° Deflection Angle\u003c\/strong\u003e — Provides a gentler directional change than a 90° elbow, reducing turbulence and pressure drop in water supply and compressed air pipe runs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eBSPT Tapered Thread Form\u003c\/strong\u003e — Conforms to BS 21 \/ ISO 7-1 taper thread standard, ensuring a secure, pressure-bearing thread engagement compatible with BSPT-threaded pipes and fittings worldwide.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eA2 Stainless Steel Construction\u003c\/strong\u003e — 304-grade stainless steel resists rust, oxidation, and mild chemical exposure, making these elbows a long-lasting choice for potable water, air, and non-chlorinated fluid systems.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e↔️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eTwo Connection Configurations\u003c\/strong\u003e — Choose Female-Female for pipe-to-pipe connections, or Female-to-Male when you need to change thread gender mid-run — eliminating the need for a separate adapter fitting.\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: 1\/8\" to 4\"\u003c\/strong\u003e — Covers the full spectrum of common BSPT pipe sizes from small instrument lines (1\/8\") up to large-bore industrial pipe runs (4\"), so one product listing handles your entire project.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏭\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMachined Hex Body for Wrench Engagement\u003c\/strong\u003e — The hexagonal body profile allows standard pipe wrenches or open-end spanners to apply proper torque during installation, reducing the risk of cross-threading or under-tightening.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — 45° BSPT Threaded Elbow 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\u003e45° Threaded Pipe Elbow Fitting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eBSPT (British Standard Pipe Taper) — BS 21 \/ ISO 7-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Angle\u003c\/th\u003e\n\u003ctd\u003e55°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eA2 Stainless Steel (304 SS equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration Options\u003c\/th\u003e\n\u003ctd\u003eFemale-Female (FF) | Female-to-Male (FM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes (FF)\u003c\/th\u003e\n\u003ctd\u003e1\/8\", 1\/4\", 3\/8\", 1\/2\", 3\/4\", 1\", 1-1\/4\", 1-1\/2\", 2\", 2-1\/2\", 3\", 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes (FM)\u003c\/th\u003e\n\u003ctd\u003e1\/4\", 3\/8\", 1\/2\", 3\/4\", 1\", 1-1\/4\", 1-1\/2\", 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDeflection Angle\u003c\/th\u003e\n\u003ctd\u003e45°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Pressure\u003c\/th\u003e\n\u003ctd\u003eSee variant options (varies by size; contact us to confirm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eNatural stainless steel (uncoated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eHeads up:\u003c\/strong\u003e BSPT and NPT threads share similar nominal sizes but are \u003cem\u003enot\u003c\/em\u003e compatible. If you are unsure of your thread standard, measure the thread OD and pitch, or bring a fitting to your local supplier for verification before installation.\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 BSPT elbow fitting?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the fitting size to your existing pipe's nominal bore size — BSPT sizes are measured by the internal bore, not the outer diameter. For example, a 1\/2\" BSPT fitting connects to 1\/2\" BSPT pipe, which has a thread OD of approximately 20.9mm (≈0.82\"). When in doubt, measure the OD of your pipe thread and compare to a BSPT thread chart. This listing covers sizes from 1\/8\" (≈9.7mm thread OD) up to 4\" (≈133mm thread OD).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between Female-Female and Female-to-Male configurations?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA \u003cstrong\u003eFemale-Female (FF)\u003c\/strong\u003e elbow has internal threads on both ends — it connects two male-threaded pipes or fittings at a 45° angle. A \u003cstrong\u003eFemale-to-Male (FM)\u003c\/strong\u003e elbow has one internal-threaded end and one external-threaded end, allowing you to redirect a pipe run while also changing the thread gender. FM elbows are useful when adapting to existing plumbing layouts without adding a separate adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these fittings suitable for outdoor or corrosive environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA2 stainless steel (304 SS) generally offers good corrosion resistance in outdoor, humid, and mildly corrosive environments. It is typically suitable for water, air, and non-chlorinated fluid systems. For highly saline or chloride-rich environments — such as coastal or marine installations — A4 (316) stainless steel is generally recommended for superior chloride resistance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat thread standard do these elbows use — NPT or BSPT?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese fittings use \u003cstrong\u003eBSPT (British Standard Pipe Taper)\u003c\/strong\u003e threads, conforming to BS 21 \/ ISO 7-1. BSPT uses a 55° thread angle and is common in UK, European, and Asian plumbing systems. NPT (National Pipe Taper), used in North American systems, has a 60° thread angle — the two standards are \u003cstrong\u003enot directly interchangeable\u003c\/strong\u003e. Always verify your existing pipe thread standard before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat pressure rating do these 45° elbow fittings typically handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eWorking pressure varies by size and wall thickness. Smaller sizes (1\/8\"–1\/2\") in A2 stainless steel generally handle higher pressures, while larger sizes (2\"–4\") are typically rated for lower working pressures. Contact us to confirm the rated working pressure for your specific size before use in pressurized systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need thread sealant with these fittings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes — BSPT is a tapered thread that relies on thread engagement for the primary seal, but \u003cstrong\u003ePTFE tape\u003c\/strong\u003e (thread seal tape) or a compatible pipe thread sealant compound is generally recommended to ensure a leak-free joint, especially in liquid or pressurized gas applications. Apply 2–3 wraps of PTFE tape in the direction of the thread before assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan these fittings be used with gas lines?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA2 stainless steel BSPT fittings are commonly used in compressed air and inert gas systems. For natural gas or LPG applications, always verify local building codes and confirm the fitting's pressure and temperature ratings are appropriate for your specific installation. We recommend consulting a licensed plumber or gas fitter for gas line work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003esize and configuration\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"1\u00268\" Female \/ 1Pcs","offer_id":52336690299154,"sku":"FXLc84-0x1","price":7.62,"currency_code":"USD","in_stock":true},{"title":"1\u00264\" Female \/ 1Pcs","offer_id":52336690331922,"sku":"FXLc84-1x1","price":8.0,"currency_code":"USD","in_stock":true},{"title":"3\u00268\" Female \/ 1Pcs","offer_id":52336690364690,"sku":"FXLc84-2x1","price":8.08,"currency_code":"USD","in_stock":true},{"title":"1\u00262\" Female \/ 1Pcs","offer_id":52336690397458,"sku":"FXLc84-3x1","price":10.32,"currency_code":"USD","in_stock":true},{"title":"3\u00264\" Female \/ 1Pcs","offer_id":52336690430226,"sku":"FXLc84-4x1","price":13.68,"currency_code":"USD","in_stock":true},{"title":"1\" Female \/ 1Pcs","offer_id":52336690462994,"sku":"FXLc84-5x1","price":20.54,"currency_code":"USD","in_stock":true},{"title":"1-1\u00264\" Female \/ 1Pcs","offer_id":52336690495762,"sku":"FXLc84-6x1","price":29.84,"currency_code":"USD","in_stock":true},{"title":"1-1\u00262\" Female \/ 1Pcs","offer_id":52336690528530,"sku":"FXLc84-7x1","price":37.02,"currency_code":"USD","in_stock":true},{"title":"2\" Female \/ 1Pcs","offer_id":52336690561298,"sku":"FXLc84-8x1","price":56.06,"currency_code":"USD","in_stock":true},{"title":"2-1\u00262\" Female \/ 1Pcs","offer_id":52336690594066,"sku":"FXLc84-9x1","price":105.81,"currency_code":"USD","in_stock":true},{"title":"3\" Female \/ 1Pcs","offer_id":52336690626834,"sku":"FXLc84-10x1","price":150.25,"currency_code":"USD","in_stock":true},{"title":"4\" Female \/ 1Pcs","offer_id":52336690659602,"sku":"FXLc84-11x1","price":245.81,"currency_code":"USD","in_stock":true},{"title":"1\u00264\" Female to Male \/ 1Pcs","offer_id":52336690692370,"sku":"FXLc84-12x1","price":8.39,"currency_code":"USD","in_stock":true},{"title":"3\u00268\" Female to Male \/ 1Pcs","offer_id":52336690725138,"sku":"FXLc84-13x1","price":8.08,"currency_code":"USD","in_stock":true},{"title":"1\u00262\" Female to Male \/ 1Pcs","offer_id":52336690757906,"sku":"FXLc84-14x1","price":11.3,"currency_code":"USD","in_stock":true},{"title":"3\u00264\" Female to Male \/ 1Pcs","offer_id":52336690790674,"sku":"FXLc84-15x1","price":14.28,"currency_code":"USD","in_stock":true},{"title":"1\" Female to Male \/ 1Pcs","offer_id":52336690823442,"sku":"FXLc84-16x1","price":21.77,"currency_code":"USD","in_stock":true},{"title":"1-1\u00264\" Female to Male \/ 1Pcs","offer_id":52336690856210,"sku":"FXLc84-17x1","price":35.85,"currency_code":"USD","in_stock":true},{"title":"1-1\u00262\" Female to Male \/ 1Pcs","offer_id":52336690888978,"sku":"FXLc84-18x1","price":47.27,"currency_code":"USD","in_stock":true},{"title":"2\" Female to Male \/ 1Pcs","offer_id":52336690921746,"sku":"FXLc84-19x1","price":69.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_b00d3916-834f-4d04-ac97-41dbe5ebcd2f.jpg?v=1781081834","url":"https:\/\/homediyer.com\/products\/45-degree-bspt-threaded-elbow-pipe-fittings-a2-stainless-steel","provider":"HomeDIYer","version":"1.0","type":"link"}