{"product_id":"stainless-steel-reducing-90-elbow-bsp-male-female-thread-fitting","title":"Stainless Steel Reducing 90° Elbow — BSP Male to Female Thread Pipe Fitting","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003c!-- ① OVERVIEW --\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eStainless Steel Reducing 90° Elbow — Change Direction and Pipe Size in One BSP Fitting\u003c\/h2\u003e\n\u003cp\u003eWhen a plumbing run needs to turn a corner \u003cem\u003eand\u003c\/em\u003e step down to a smaller pipe diameter at the same time, using two separate fittings wastes space and adds potential leak points. These stainless steel reducing 90° elbows solve both problems in a single compact body — ideal for plumbers, HVAC technicians, and serious DIYers working on tight residential or commercial pipe runs.\u003c\/p\u003e\n\u003cp\u003eEach fitting is machined from stainless steel with BSP (British Standard Pipe) male-to-female threads. Available in three reducing combinations: ½\" Male × ¾\" Female (DN15 to DN20), ½\" Male × 1\" Female (DN15 to DN25), and ¾\" Male × 1\" Female (DN20 to DN25). Sold individually (1 pc per order) so you can buy exactly the quantity your project requires.\u003c\/p\u003e\n\u003cp\u003eTypical applications include residential water supply re-routing, hydronic heating system branch connections, compressed air distribution lines, and irrigation manifold assemblies — anywhere a BSP male-to-female reducing 90° elbow is needed to redirect flow while transitioning between pipe sizes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ② COMPATIBILITY BAR --\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 only. These fittings are \u003cstrong\u003enot\u003c\/strong\u003e directly compatible with NPT (National Pipe Taper) threads. Verify your existing pipe thread standard before ordering.\u003c\/div\u003e\n\u003c!-- ③ KEY FEATURES --\u003e\n\u003ch2\u003e✅ Key Features of These BSP Reducing 90° 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\u003eDirection Change + Size Reduction in One\u003c\/strong\u003e — Combines a 90° turn with a pipe diameter reduction, eliminating the need for a separate coupling and elbow in tight spaces.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🦾\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eStainless Steel Construction\u003c\/strong\u003e — Resists rust, oxidation, and corrosion in wet, humid, and outdoor environments where standard carbon steel fittings would degrade over time.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eBSP Male-to-Female Thread Design\u003c\/strong\u003e — Male thread on the inlet side screws directly into a female BSP port; female thread on the outlet accepts a standard BSP male pipe or fitting for a secure, leak-resistant joint.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eThree Reducing Size Options\u003c\/strong\u003e — Choose DN15→DN20, DN15→DN25, or DN20→DN25 to match your specific pipe transition without cutting or adapting existing pipework.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e💧\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eSuitable for Water and Fluid Lines\u003c\/strong\u003e — Compatible with cold and hot water supply, compressed air, and general fluid transfer applications in residential and light commercial plumbing systems.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eWrench-Ready Hex Body\u003c\/strong\u003e — The fitting body is designed to accept a standard pipe wrench or adjustable spanner for controlled tightening without damaging the threads or sealing surfaces.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ④ TECHNICAL SPECIFICATIONS --\u003e\n\u003ch2\u003e📐 Technical Specifications — Stainless Steel BSP Reducing 90° Elbow\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\u003eReducing 90° Elbow, Male-to-Female\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 Configuration\u003c\/th\u003e\n\u003ctd\u003eMale inlet × Female outlet (reducing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003e½\" M × ¾\" F (DN15→DN20) · ½\" M × 1\" F (DN15→DN25) · ¾\" M × 1\" F (DN20→DN25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBrushed \/ natural stainless\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\u003eWorking Pressure\u003c\/th\u003e\n\u003ctd\u003eSee variant options — typically up to 150 PSI for DN15–DN25 range\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 fluid and application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Media\u003c\/th\u003e\n\u003ctd\u003eWater, compressed air, general fluids (confirm for gas use)\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\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-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eInstallation Note:\u003c\/strong\u003e Always apply PTFE tape or thread sealant to male threads before assembly. Hand-tighten first, then use a wrench for a final ¼–½ turn. Do not overtighten stainless steel threads to avoid galling.\u003c\/div\u003e\n\u003c!-- ⑤ FAQ --\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 reducing elbow for my pipe?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMeasure the outer diameter of your existing male pipe thread and the inner diameter of the female port you're connecting to. BSP sizes are nominal — for example, a ½\" BSP male thread (DN15) has an actual OD of approximately 20.9mm (0.825\"). Match the male side to your supply pipe and the female side to your outlet or valve. When in doubt, go one size up on the female end.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat pressure rating do these reducing elbows typically handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eStainless steel BSP reducing elbows in the DN15–DN25 range generally handle working pressures of up to 150 PSI (approximately 10 bar) in standard plumbing and HVAC applications. Always verify the rated pressure for your specific installation and consult a licensed plumber for high-pressure systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these elbows suitable for outdoor or corrosive environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. Stainless steel construction provides strong resistance to rust, oxidation, and mild chemical exposure, making these fittings suitable for outdoor plumbing, marine-adjacent environments, and humid conditions. For highly aggressive chemical environments, confirm the specific grade compatibility before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat thread standard do these fittings use — BSP or NPT?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese fittings use BSP (British Standard Pipe) threads, which are parallel (BSPP) on the male side. BSP and NPT threads are \u003cstrong\u003enot\u003c\/strong\u003e directly interchangeable. If your existing plumbing uses NPT threads, you will need a BSP-to-NPT adapter. Check your pipe markings or consult the manufacturer before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need thread sealant or PTFE tape with these fittings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. For a leak-free connection, applying PTFE (Teflon) tape or a compatible thread sealant compound to the male threads before assembly is strongly recommended. Wrap the tape clockwise (when facing the thread end) for 2–3 layers. This is standard practice for all BSP threaded fittings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan these elbows be used for both water and gas lines?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese stainless steel reducing elbows are generally suitable for water, compressed air, and low-pressure fluid lines. For gas line applications, local codes typically require fittings that are specifically rated and certified for gas use. Contact us to confirm suitability before using in any gas installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between DN15, DN20, and DN25 pipe sizes?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eDN (Diameter Nominal) is a metric pipe size designation. DN15 corresponds to ½\" BSP, DN20 to ¾\" BSP, and DN25 to 1\" BSP. These are nominal sizes — the actual thread dimensions are slightly larger. Use the DN designation to match fittings to your existing pipe system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c!-- ⑥ CTA BAR --\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003esize and thread combination\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\u00262\" Male to 3\u00264\" Female (DN15 to DN20) \/ 1 pcs","offer_id":52336604152082,"sku":"PENG026113x1","price":14.95,"currency_code":"USD","in_stock":true},{"title":"1\u00262\" Male to 1\" Female (DN15 to DN25) \/ 1 pcs","offer_id":52336604184850,"sku":"PENG026114x1","price":20.93,"currency_code":"USD","in_stock":true},{"title":"3\u00264\" Male to 1\" Female (DN20 to DN25) \/ 1 pcs","offer_id":52336604217618,"sku":"PENG026115x1","price":22.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_9aeabe2f-f7ba-4e04-aeca-e1440ef6c11b.jpg?v=1781071452","url":"https:\/\/homediyer.com\/products\/stainless-steel-reducing-90-elbow-bsp-male-female-thread-fitting","provider":"HomeDIYer","version":"1.0","type":"link"}