{"product_id":"bsp-1-2-inch-brass-pipe-fittings-adapters-elbows-tees-connectors","title":"BSP 1\/2\" Brass Pipe Fittings — Adapters, Elbows, Tees \u0026 Connectors","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eBSP 1\/2\" Brass Pipe Fittings — The Reliable Connection for Every Plumbing Layout\u003c\/h2\u003e\n\u003cp\u003eWhether you're rerouting a water line, building a compressed air manifold, or repairing an irrigation system, finding the right BSP 1\/2\" brass pipe fitting in the exact male\/female configuration you need can be frustrating. Wrong thread direction, incompatible end types, or fittings that don't hold pressure — these are the problems that stall projects. This range of BSP 1\/2\" brass pipe fittings is designed for DIYers, plumbers, and maintenance professionals who need a reliable, leak-free connection the first time.\u003c\/p\u003e\n\u003cp\u003eEach fitting is machined from solid brass and features standard BSP (British Standard Pipe) 1\/2\" threads — nominally 20mm (≈3\/4\" OD). The range covers 29 models including straight connectors (male x male, female x male, female x female), 90° elbows, 3-way tee fittings, 4-way cross fittings, cap\/stop ends, and activity nut (union nut) configurations. Available individually (1 Pcs per order) so you can get exactly what your job requires without buying a kit full of parts you don't need.\u003c\/p\u003e\n\u003cp\u003eThese BSP 1\/2\" brass fittings are well suited for residential and light commercial plumbing repairs, garden and irrigation line connections, compressed air system assembly, and pneumatic tool hookups. The threaded brass construction makes them a go-to choice for anyone searching for durable BSP half-inch pipe adapters or brass joiner connectors for water and air lines.\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 Standard:\u003c\/strong\u003e BSP (British Standard Pipe) 1\/2\" — nominally 20mm nominal bore. \u003cstrong\u003eNot directly compatible with NPT threads\u003c\/strong\u003e without a conversion adapter. Confirm your system's thread standard before ordering.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These BSP 1\/2\" 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\u003e29 Models in One Range\u003c\/strong\u003e — Straight, elbow, tee, 4-way, cap, and activity nut configurations cover virtually every BSP 1\/2\" pipe fitting scenario in a single product family.\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 corrosion resistance, durability, and reliable sealing — a standard material choice for water, air, and light gas plumbing fittings.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eActivity Nut (Union Nut) Options\u003c\/strong\u003e — Models A22–A32 include activity nut designs that let you connect or disconnect pipes without rotating the pipe body, ideal for tight spaces and service access.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e90° Elbow Variants\u003c\/strong\u003e — Multiple elbow models (A4–A9) redirect flow at right angles in male x male, female x male, and female x female thread combinations for flexible routing in confined runs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🌿\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e3-Way \u0026amp; 4-Way Tee\/Cross Fittings\u003c\/strong\u003e — Split or combine flow with tee (A11–A17) and 4-way cross (A18–A19) models, available in mixed male\/female thread configurations for branching plumbing and irrigation layouts.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛑\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eCap \/ Stop End Models\u003c\/strong\u003e — Male cap (A20) and female cap (A21) stop ends let you terminate or pressure-test a BSP 1\/2\" line cleanly without additional hardware.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — BSP 1\/2\" Brass Pipe Fittings\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\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 Size\u003c\/th\u003e\n\u003ctd\u003e1\/2\" BSP (nominally 20mm nominal bore)\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\u003eAvailable Models\u003c\/th\u003e\n\u003ctd\u003e29 configurations — straight, elbow, tee (3-way), cross (4-way), cap, activity nut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Ends\u003c\/th\u003e\n\u003ctd\u003eMale (external) and\/or Female (internal) — see variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElbow Angle\u003c\/th\u003e\n\u003ctd\u003e90° (elbow models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 Pcs (sold individually)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTypical Working Pressure\u003c\/th\u003e\n\u003ctd\u003eSee variant options — contact us to confirm for your model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Media\u003c\/th\u003e\n\u003ctd\u003eWater, compressed air — contact us to confirm for gas applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNPT Compatible\u003c\/th\u003e\n\u003ctd\u003eNo — BSP and NPT threads are not interchangeable without an adapter\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\u003eInstallation Note:\u003c\/strong\u003e Always use PTFE tape or thread sealant on BSP threads before assembly. Hand-tighten first, then use a wrench for 1–2 additional turns. Do not overtighten brass fittings — this can crack the fitting body.\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 model for my project?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eIdentify your pipe ends first — male (external thread) or female (internal thread). Then select the fitting that matches both ends. For example, a Male x Female straight connector (A1\/A2) joins a male-threaded pipe to a female-threaded port. Elbow models redirect flow at 90°, tee models split or combine flow in three directions, and 4-way models handle cross-junction layouts. If you need to connect or disconnect without rotating the pipe, choose an Activity Nut model (A22–A32).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat thread standard do these fittings use, and is it compatible with NPT?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese fittings use BSP (British Standard Pipe) 1\/2\" thread, nominally 20mm nominal bore. BSP is widely used in plumbing, pneumatics, and hydraulic systems. It is generally \u003cstrong\u003enot directly compatible with NPT (National Pipe Thread)\u003c\/strong\u003e — the thread angle and pitch differ. If your existing pipes are NPT, you will typically need a BSP-to-NPT conversion adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the pressure rating of these brass fittings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBrass BSP fittings of this type are typically rated for working pressures up to 150–200 PSI depending on the configuration and application. Activity nut and multi-way fittings may have lower ratings than straight connectors. Contact us to confirm the pressure rating for your specific model before use in high-pressure systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan these fittings be used outdoors or in wet\/damp environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBrass has naturally good corrosion resistance and is generally suitable for outdoor and damp environments including garden irrigation and exterior plumbing. In highly corrosive conditions — such as saltwater exposure or acidic media — additional protection or stainless steel alternatives may be more appropriate. For standard outdoor water or air line use, brass fittings typically perform well.\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\u003eYes. It is generally recommended to use PTFE (Teflon) tape or a thread sealant compound on BSP threads to ensure a leak-free connection. Apply 2–3 wraps of PTFE tape clockwise around the male thread before assembly. This is standard practice for threaded pipe fittings and helps compensate for minor thread imperfections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is an Activity Nut fitting and when should I use one?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAn Activity Nut (also called a union nut or backnut) fitting allows you to connect or disconnect pipes without rotating the pipe itself. This is especially useful in tight spaces, behind walls, or when servicing equipment where the pipe cannot be turned. Models A22–A32 in this range include activity nut configurations in straight, elbow, and tee styles — in both male and female thread combinations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these fittings compatible with water, compressed air, or gas lines?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBrass BSP fittings are commonly used with water and compressed air lines. They are also used in some gas applications, but suitability depends on the specific gas type, pressure, temperature, and local building codes. Always verify compatibility with your system requirements and consult local regulations before installing on gas lines. Contact us to confirm suitability for your specific application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I measure BSP thread size to confirm 1\/2\" is correct for my pipes?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBSP pipe sizes are nominal — the 1\/2\" designation refers to the nominal bore (inside diameter of the pipe), not the actual thread outer diameter. A 1\/2\" BSP male thread typically measures approximately 20.9mm (≈0.825\") across the thread OD. The easiest way to confirm is to measure the OD of a male thread or the ID of a female port with calipers, or to test-fit a known 1\/2\" BSP fitting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your model and quantity above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"A1 Male x Male \/ 1Pcs","offer_id":52331553161490,"sku":"FXL433-0","price":3.11,"currency_code":"USD","in_stock":true},{"title":"A2 Female x Male \/ 1Pcs","offer_id":52331553194258,"sku":"FXL433-3","price":3.39,"currency_code":"USD","in_stock":true},{"title":"A3 Female x Female \/ 1Pcs","offer_id":52331553227026,"sku":"FXL433-6","price":3.39,"currency_code":"USD","in_stock":true},{"title":"A4 Female x Female Elbow \/ 1Pcs","offer_id":52331553259794,"sku":"FXL433-9","price":4.15,"currency_code":"USD","in_stock":true},{"title":"A5 Male x Male Elbow \/ 1Pcs","offer_id":52331553292562,"sku":"FXL433-12","price":3.66,"currency_code":"USD","in_stock":true},{"title":"A6 Female x Female Elbow \/ 1Pcs","offer_id":52331553325330,"sku":"FXL433-15","price":3.88,"currency_code":"USD","in_stock":true},{"title":"A7 Female x Male Elbow \/ 1Pcs","offer_id":52331553358098,"sku":"FXL433-18","price":4.07,"currency_code":"USD","in_stock":true},{"title":"A8 Female x Female Elbow \/ 1Pcs","offer_id":52331553390866,"sku":"FXL433-21","price":6.11,"currency_code":"USD","in_stock":true},{"title":"A9 Female x Male Elbow \/ 1Pcs","offer_id":52331553423634,"sku":"FXL433-24","price":5.78,"currency_code":"USD","in_stock":true},{"title":"A11 Female x Female x Female 3-Way \/ 1Pcs","offer_id":52331553456402,"sku":"FXL433-27","price":5.56,"currency_code":"USD","in_stock":true},{"title":"A12 Male x Male x Male 3-Way \/ 1Pcs","offer_id":52331553489170,"sku":"FXL433-30","price":4.96,"currency_code":"USD","in_stock":true},{"title":"A13 Female x Female x Female 3-Way \/ 1Pcs","offer_id":52331553521938,"sku":"FXL433-33","price":4.61,"currency_code":"USD","in_stock":true},{"title":"A14 Female x Female x Male 3-Way \/ 1Pcs","offer_id":52331553554706,"sku":"FXL433-36","price":4.61,"currency_code":"USD","in_stock":true},{"title":"A15 Female x Male x Male 3-Way \/ 1Pcs","offer_id":52331553587474,"sku":"FXL433-39","price":4.75,"currency_code":"USD","in_stock":true},{"title":"A16 Female x Male x Female 3-Way \/ 1Pcs","offer_id":52331553620242,"sku":"FXL433-42","price":4.75,"currency_code":"USD","in_stock":true},{"title":"A17 Male x Female x Male 3-Way \/ 1Pcs","offer_id":52331553653010,"sku":"FXL433-45","price":4.75,"currency_code":"USD","in_stock":true},{"title":"A18 Male  4-Way \/ 1Pcs","offer_id":52331553685778,"sku":"FXL433-48","price":5.78,"currency_code":"USD","in_stock":true},{"title":"A19 Female  4-Way \/ 1Pcs","offer_id":52331553718546,"sku":"FXL433-51","price":6.65,"currency_code":"USD","in_stock":true},{"title":"A20 Male Cap Stop End \/ 1Pcs","offer_id":52331553751314,"sku":"FXL433-54","price":3.11,"currency_code":"USD","in_stock":true},{"title":"A21 Female Cap Stop End \/ 1Pcs","offer_id":52331553784082,"sku":"FXL433-57","price":3.11,"currency_code":"USD","in_stock":true},{"title":"A22 Female x Female Activity Nut \/ 1Pcs","offer_id":52331553816850,"sku":"FXL433-60","price":7.14,"currency_code":"USD","in_stock":true},{"title":"A25 Female x Male Activity Nut \/ 1Pcs","offer_id":52331553849618,"sku":"FXL433-69","price":11.0,"currency_code":"USD","in_stock":true},{"title":"A26 Female x Female Activity Nut \/ 1Pcs","offer_id":52331553882386,"sku":"FXL433-72","price":11.0,"currency_code":"USD","in_stock":true},{"title":"A27 Female x Male Activity Nut Elbow \/ 1Pcs","offer_id":52331553915154,"sku":"FXL433-75","price":5.02,"currency_code":"USD","in_stock":true},{"title":"A28 Female x Female Activity Nut Elbow \/ 1Pcs","offer_id":52331553947922,"sku":"FXL433-78","price":5.02,"currency_code":"USD","in_stock":true},{"title":"A29 Male x Male x Female Activity Nut 3-Way \/ 1Pcs","offer_id":52331553980690,"sku":"FXL433-81","price":5.29,"currency_code":"USD","in_stock":true},{"title":"A30 Male x Female x Male Activity Nut 3-Way \/ 1Pcs","offer_id":52331554013458,"sku":"FXL433-84","price":6.24,"currency_code":"USD","in_stock":true},{"title":"A31 Male x Female x Female Activity Nut 3-Way \/ 1Pcs","offer_id":52331554046226,"sku":"FXL433-87","price":5.64,"currency_code":"USD","in_stock":true},{"title":"A32 Female x Male x Female Activity Nut 3-Way \/ 1Pcs","offer_id":52331554078994,"sku":"FXL433-90","price":5.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of33_462d544e-90d6-457d-b198-e2f3a0fd9a7a.jpg?v=1781075927","url":"https:\/\/homediyer.com\/products\/bsp-1-2-inch-brass-pipe-fittings-adapters-elbows-tees-connectors","provider":"HomeDIYer","version":"1.0","type":"link"}