{"product_id":"bsp-male-to-female-reducing-bush-304-stainless-steel-pipe-adapter","title":"BSP Male to Female Reducing Bush 304 Stainless Steel Pipe Adapter","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right reducing bush size?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The first size is the larger female (internal) thread that screws onto your existing male fitting; the second size is the smaller male (external) thread that connects to the next pipe or fitting. For example, '1\/2\\\" to 3\/4\\\"' means the female end accepts a 1\/2\\\" BSP male fitting and the male end is 3\/4\\\" BSP. Always verify both thread sizes before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What pressure can these reducing bushes handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"304 stainless steel BSP reducing bushes are generally suitable for working pressures up to approximately 150 PSI (10 bar) in standard plumbing and pneumatic applications. For high-pressure hydraulic systems, contact us to confirm suitability.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these reducing bushes suitable for outdoor or wet environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. 304 stainless steel resists rust and corrosion in most outdoor and humid environments. For marine or coastal applications with prolonged saltwater exposure, 316 stainless steel is typically recommended.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are BSP threads compatible with NPT fittings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"BSP and NPT threads are not directly interchangeable due to differences in thread pitch and angle. A BSP-to-NPT adapter is required if your system uses NPT fittings.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need thread sealant with a reducing bush?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Applying PTFE (Teflon) thread tape to the male threads before installation is generally recommended to achieve a leak-free seal in liquid and gas systems.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between a reducing bush and a reducing hex nipple?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A reducing bush has one female (internal) thread and one male (external) thread, allowing it to screw directly into a female socket while presenting a smaller male thread on the other end. A reducing hex nipple has male threads on both ends and connects two female ports. Choose a reducing bush when you need to reduce the thread size inside an existing female fitting.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eBSP Reducing Bush — Step Down Pipe Thread Size with 304 Stainless Steel\u003c\/h2\u003e\n    \u003cp\u003eWhen you need to connect a smaller pipe or fitting into a larger female BSP port, a mismatched thread size means the connection won’t seal — and improvised solutions like stacked adapters create unnecessary leak points. Plumbers, HVAC technicians, and industrial pipefitters need a BSP male-to-female reducing bush that fits cleanly into the existing port and presents the correct smaller thread on the other side, all in one compact piece.\u003c\/p\u003e\n    \u003cp\u003eEach listing is a single \u003cstrong\u003e304 stainless steel BSP male-to-female reducing bush\u003c\/strong\u003e, available in size combinations from \u003cstrong\u003e1\/2\" to 2\"\u003c\/strong\u003e BSP. The female (internal) thread screws onto the larger existing male fitting, while the male (external) thread on the opposite end accepts the smaller pipe or fitting. Select your size combination from the variant options above.\u003c\/p\u003e\n    \u003cp\u003eThese reducing bushes are commonly used to adapt thread sizes in \u003cstrong\u003eresidential and commercial plumbing systems\u003c\/strong\u003e, reduce port sizes in \u003cstrong\u003ehydraulic manifolds and pneumatic valve blocks\u003c\/strong\u003e, and connect different-diameter fittings in \u003cstrong\u003eirrigation, compressed air, and industrial fluid distribution systems\u003c\/strong\u003e. The 304 stainless steel construction makes them a corrosion-resistant choice for both indoor and outdoor BSP pipe adapter applications.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔗\u003c\/span\u003e\n    \u003cstrong\u003eThread Compatibility:\u003c\/strong\u003e BSP (British Standard Pipe) — female (internal) thread on one end, male (external) thread on the other. Size range: 1\/2\" to 2\" BSP. Not directly compatible with NPT threads.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eConfirm thread orientation before ordering.\u003c\/strong\u003e The female end screws onto an existing male BSP fitting; the male end connects to the next smaller pipe or fitting. Example: \"1\/2\\\" to 3\/4\\\"\" = 1\/2\\\" female end, 3\/4\\\" male end. Verify both sizes before purchasing.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These BSP Reducing Bushes\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMale-to-Female Configuration\u003c\/strong\u003e — One female (internal) BSP thread and one male (external) BSP thread in a single fitting, allowing direct thread-size reduction inside an existing female port without additional adapters.\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 corrosion in water, air, and oil systems, making these BSP pipe adapters suitable for both indoor plumbing and outdoor or industrial environments.\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\u003c\/strong\u003e — Available in 13 size combinations from 1\/2\" to 2\" BSP, covering the most common reducing configurations in residential, commercial, and light industrial pipe systems.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e💧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLeak-Resistant Thread Fit\u003c\/strong\u003e — Machined BSP threads on both ends provide consistent engagement when used with PTFE tape, helping prevent seepage in pressurized water, air, and oil lines.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eCompact Single-Piece Design\u003c\/strong\u003e — Reduces pipe thread size in one fitting, eliminating stacked adapters and minimizing potential leak points in your BSP pipe system.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏭\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eConsistent Machining Tolerances\u003c\/strong\u003e — Manufactured to BSP thread standards for reliable engagement with compatible male and female BSP fittings, valves, and ports.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — BSP Male-to-Female Reducing Bushes\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\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 Configuration\u003c\/th\u003e\n\u003ctd\u003eMale (external) × Female (internal)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Size Combinations\u003c\/th\u003e\n\u003ctd\u003e1\/2\" to 3\/4\", 1\/2\" to 1\/4\", 1\/2\" to 3\/8\", 1\" to 1\/2\", 1\" to 3\/4\", 1-1\/4\" to 1\/2\", 1-1\/4\" to 3\/4\", 1-1\/4\" to 1\", 1-1\/2\" to 1\/2\", 1-1\/2\" to 3\/4\", 1-1\/2\" to 1\", 1-1\/2\" to 1-1\/4\", 2\" to 1-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWorking Pressure\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Fluids\u003c\/th\u003e\n\u003ctd\u003eWater, air, oil, mild chemicals\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePacking Qty\u003c\/th\u003e\n\u003ctd\u003e1 pc per order (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right reducing bush size?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThe first size listed is the female (internal) thread that screws onto your existing male BSP fitting; the second size is the male (external) thread that connects to the next pipe or fitting. For example, \"1\/2\\\" to 3\/4\\\"\" means the female end accepts a 1\/2\\\" BSP male fitting and the male end is 3\/4\\\" BSP. Always verify both thread sizes before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat pressure can these reducing bushes handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003e304 stainless steel BSP reducing bushes are generally suitable for working pressures up to approximately 150 PSI (10 bar) in standard plumbing and pneumatic applications. For high-pressure hydraulic systems, please contact us to confirm suitability for your specific operating conditions.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these reducing bushes suitable for outdoor or 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 and humid environments, including rain and irrigation exposure. For marine or coastal applications with prolonged saltwater contact, 316 stainless steel is typically the recommended grade.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre BSP threads compatible with NPT fittings?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eBSP and NPT threads are not directly interchangeable. They differ in thread pitch and flank angle (55° BSP vs. 60° NPT). If your system uses NPT fittings, you will need a BSP-to-NPT adapter. Do not force BSP and NPT threads together as this can cause leaks or thread damage.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need thread sealant with a reducing bush?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. Applying PTFE (Teflon) thread tape to the male threads before installation is generally recommended to achieve a leak-free seal in liquid and gas systems. This is standard practice for BSP threaded pipe fittings.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between a reducing bush and a reducing hex nipple?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA reducing bush has one female (internal) thread and one male (external) thread, allowing it to screw directly into a female socket while presenting a smaller male thread on the other end. A reducing hex nipple has male threads on both ends and connects two female ports. Choose a reducing bush when you need to reduce the thread size inside an existing female fitting or socket.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your size above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Reducer \/ 1\u00262\" to 3\u00264\" \/ 1pcs","offer_id":52336592617746,"sku":"BEAR026516x1","price":4.39,"currency_code":"USD","in_stock":true},{"title":"Reducer \/ 1\u00262\" to 1\u00264\" \/ 1pcs","offer_id":52336592650514,"sku":"BEAR026517x1","price":5.14,"currency_code":"USD","in_stock":true},{"title":"Reducer \/ 1\u00262\" to 3\u00268\" \/ 1pcs","offer_id":52336592683282,"sku":"BEAR026518x1","price":5.14,"currency_code":"USD","in_stock":true},{"title":"Reducer \/ 1\" to 1\u00262\" \/ 1pcs","offer_id":52336592716050,"sku":"BEAR026519x1","price":6.69,"currency_code":"USD","in_stock":true},{"title":"Reducer \/ 1\" to 3\u00264\" \/ 1pcs","offer_id":52336592748818,"sku":"BEAR026520x1","price":6.46,"currency_code":"USD","in_stock":true},{"title":"Reducer \/ 1-1\u00264\" to 1\u00262\" \/ 1pcs","offer_id":52336592781586,"sku":"BEAR026521x1","price":15.3,"currency_code":"USD","in_stock":true},{"title":"Reducer \/ 1-1\u00264\" to 3\u00264\" \/ 1pcs","offer_id":52336592814354,"sku":"BEAR026522x1","price":14.2,"currency_code":"USD","in_stock":true},{"title":"Reducer \/ 1-1\u00264\" to 1\" \/ 1pcs","offer_id":52336592847122,"sku":"BEAR026523x1","price":13.23,"currency_code":"USD","in_stock":true},{"title":"Reducer \/ 1-1\u00262\" to 1\u00262\" \/ 1pcs","offer_id":52336592879890,"sku":"BEAR026524x1","price":18.84,"currency_code":"USD","in_stock":true},{"title":"Reducer \/ 1-1\u00262\" to 3\u00264\" \/ 1pcs","offer_id":52336592912658,"sku":"BEAR026525x1","price":18.24,"currency_code":"USD","in_stock":true},{"title":"Reducer \/ 1-1\u00262\" to 1\" \/ 1pcs","offer_id":52336592945426,"sku":"BEAR026526x1","price":16.95,"currency_code":"USD","in_stock":true},{"title":"Reducer \/ 1-1\u00262\" to 1-1\u00264\" \/ 1pcs","offer_id":52336592978194,"sku":"BEAR026527x1","price":15.46,"currency_code":"USD","in_stock":true},{"title":"Reducer \/ 2\" to 1-1\u00262\" \/ 1pcs","offer_id":52336593010962,"sku":"BEAR026528x1","price":20.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/ANAN00477_2__jpg.jpg?v=1781068878","url":"https:\/\/homediyer.com\/products\/bsp-male-to-female-reducing-bush-304-stainless-steel-pipe-adapter","provider":"HomeDIYer","version":"1.0","type":"link"}