{"product_id":"ss304-bsp-pipe-plug-end-cap-male-female-threaded-fitting","title":"Stainless Steel 304 BSP Pipe Plug \u0026 End Cap — Male Plug \/ Female Cap, 1\/2\" to 1\"","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003c!-- ① OVERVIEW --\u003e\n\u003ch2\u003eSS304 BSP Pipe Plug \u0026amp; End Cap — Seal Open Pipe Ends with a Threaded Stainless Steel Fitting\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003cp\u003eAn unsealed pipe port is a liability — it invites contamination, leaks pressure, and creates a maintenance headache down the line. Plumbers, pipefitters, and facility engineers working with BSP threaded systems need a reliable way to cap off unused ports, isolate sections of pipe, or temporarily seal a line during testing. These \u003cstrong\u003estainless steel 304 BSP pipe plugs and end caps\u003c\/strong\u003e are the straightforward solution: thread them in, torque them down, and the port is sealed.\u003c\/p\u003e\n\u003cp\u003eAvailable in two fitting styles — \u003cstrong\u003eMale Plug\u003c\/strong\u003e (external BSP threads, screws into a female-threaded socket or port) and \u003cstrong\u003eFemale Cap\u003c\/strong\u003e (internal BSP threads, fits over a male-threaded pipe end) — in three sizes: \u003cstrong\u003eBSP 1\/2\" (DN15)\u003c\/strong\u003e, \u003cstrong\u003eBSP 3\/4\" (DN20)\u003c\/strong\u003e, and \u003cstrong\u003eBSP 1\" (DN25)\u003c\/strong\u003e. All fittings are machined from \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e for durability in wet and mildly corrosive service. Sold individually (1 pcs per order).\u003c\/p\u003e\n\u003cp\u003eTypical applications include sealing unused outlets on manifolds, tees, and valve bodies; capping off pipe ends during pressure testing of water supply or compressed air systems; and permanently closing redundant ports in industrial fluid transfer or HVAC pipework where BSP threaded fittings are the standard.\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) — BSPP (parallel, G-series) or BSPT (tapered, R-series). \u003cem\u003eNot interchangeable with NPT threads.\u003c\/em\u003e Select Male Plug to seal a female port; select Female Cap to cover a male pipe end.\u003c\/div\u003e\n\u003c!-- ③ KEY FEATURES --\u003e\n\u003ch2\u003e✅ Key Features of These SS304 BSP Pipe Plugs \u0026amp; End Caps\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔌\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eTwo Sealing Styles in One Listing\u003c\/strong\u003e — Male Plug (external BSP thread) and Female Cap (internal BSP thread) variants let you seal either a female port or a male pipe end without sourcing from two separate suppliers.\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 — Rust-Resistant in Wet Service\u003c\/strong\u003e — Machined from SS304 for reliable corrosion resistance in water, air, and mild chemical environments, outlasting carbon steel or brass plugs in damp or outdoor installations.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eThree Common BSP Sizes: 1\/2\", 3\/4\", 1\"\u003c\/strong\u003e — Covers the most frequently used nominal bore sizes in residential plumbing, commercial HVAC, and light industrial BSP pipe systems, reducing the need to stock multiple SKUs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eMachined BSP Thread Accuracy\u003c\/strong\u003e — Threads are machined to BSP standard tolerances for consistent, full engagement with mating fittings — reducing the risk of cross-threading, incomplete seating, or slow leaks at the sealed port.\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, Air, Steam \u0026amp; Mild Chemicals\u003c\/strong\u003e — SS304 BSP end caps and plugs are generally rated for a broad range of media including potable water, compressed air, low-pressure steam, and non-aggressive process fluids.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🚚\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eShips from US Warehouse\u003c\/strong\u003e — In-stock inventory supports fast delivery for MRO buyers, contractors, and maintenance teams who need BSP pipe plugs or end caps without waiting on overseas lead times.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ④ TECHNICAL SPECIFICATIONS --\u003e\n\u003ch2\u003e📐 Technical Specifications — BSP Pipe Plug \u0026amp; End Cap\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\u003eBSP Pipe Plug (Male) \u0026amp; End Cap (Female)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless Steel 304 (SS304)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eBSP (British Standard Pipe) — BSPP or BSPT; confirm variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eBSP 1\/2\" (DN15), BSP 3\/4\" (DN20), BSP 1\" (DN25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitting Styles\u003c\/th\u003e\n\u003ctd\u003eMale Plug (external thread) \/ Female Cap (internal thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection Type\u003c\/th\u003e\n\u003ctd\u003eMale Plug: screws into female-threaded port; Female Cap: fits over male-threaded pipe end\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePressure Rating\u003c\/th\u003e\n\u003ctd\u003eSee variant options — contact us to confirm for your size and application\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 size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eNatural stainless steel (mill\/machined finish)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 pcs (single piece)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Media\u003c\/th\u003e\n\u003ctd\u003eWater, air, steam, oils, mild chemicals (confirm for aggressive media)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandards\u003c\/th\u003e\n\u003ctd\u003eBSP thread per ISO 228 (BSPP) \/ ISO 7 (BSPT)\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\u003eSizing Note:\u003c\/strong\u003e BSP sizes refer to nominal pipe bore, not the physical thread outer diameter. BSP 1\/2\" (DN15) thread OD ≈ 20.96 mm (≈0.825\"); BSP 3\/4\" (DN20) ≈ 26.44 mm (≈1.041\"); BSP 1\" (DN25) ≈ 33.25 mm (≈1.309\"). Measure your port or pipe thread OD and cross-reference a BSP thread chart if unsure.\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\u003eWhat is the difference between a BSP male plug and a female end cap?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA \u003cstrong\u003eBSP male plug\u003c\/strong\u003e has external (male) threads and screws into a female-threaded socket, tee, or valve port to seal it. A \u003cstrong\u003eBSP female end cap\u003c\/strong\u003e has internal (female) threads and fits over a male-threaded pipe end to cap it off. Choose based on the thread type of the port or pipe end you need to seal — if it's a female port, use a male plug; if it's a male pipe end, use a female cap.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right BSP plug or cap size?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the size to the \u003cstrong\u003enominal BSP thread designation\u003c\/strong\u003e of the port or pipe end you are sealing — not the physical outer diameter. Reference thread ODs: BSP 1\/2\" (DN15) ≈ 20.96 mm (≈0.825\"); BSP 3\/4\" (DN20) ≈ 26.44 mm (≈1.041\"); BSP 1\" (DN25) ≈ 33.25 mm (≈1.309\"). When in doubt, measure the thread OD and cross-reference a BSP thread dimension chart.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat pressure can these BSP plugs and caps typically handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eSS304 BSP plugs and end caps generally handle working pressures in the range of \u003cstrong\u003e150–2000 PSI\u003c\/strong\u003e depending on size and wall thickness. Smaller sizes typically carry higher pressure ratings. Contact us to confirm the rated pressure for your specific size and application before use in high-pressure systems.\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\u003eYes. 304 stainless steel offers good corrosion resistance in most outdoor, humid, and mildly corrosive environments including water and air service. For marine, saltwater, or high-chloride environments, \u003cstrong\u003e316 stainless steel\u003c\/strong\u003e is generally recommended instead. Contact us if you need 316 SS options.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo BSP threads work with NPT fittings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo. BSP (British Standard Pipe) and NPT (National Pipe Taper) threads are \u003cem\u003enot\u003c\/em\u003e interchangeable. BSP uses a \u003cstrong\u003e55° thread angle\u003c\/strong\u003e while NPT uses 60°, and their pitch and OD dimensions differ across sizes. Always confirm your pipe or port thread standard before ordering to avoid mismatched threads and potential leaks.\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 plugs and caps?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eFor \u003cstrong\u003eBSPT (tapered)\u003c\/strong\u003e threads, PTFE tape or a thread sealant compound is generally recommended to achieve a leak-free seal. For \u003cstrong\u003eBSPP (parallel)\u003c\/strong\u003e threads, a bonded seal washer or O-ring face seal is typically used instead of tape. Check your fitting type and application requirements before assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat fluids or media are these fittings compatible with?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eSS304 BSP plugs and end caps are generally compatible with \u003cstrong\u003ewater, compressed air, low-pressure steam, oils, and many mild chemicals\u003c\/strong\u003e. They are not recommended for strong acids, high-concentration chlorides, or highly alkaline solutions. Always confirm media compatibility with your specific operating conditions before installation.\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 style\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 Plug \/ 1 pcs","offer_id":52336718446866,"sku":"PENG026577x1","price":3.33,"currency_code":"USD","in_stock":true},{"title":"1\u00262\" Female Cap \/ 1 pcs","offer_id":52336718479634,"sku":"PENG026578x1","price":3.74,"currency_code":"USD","in_stock":true},{"title":"3\u00264\" Male Plug \/ 1 pcs","offer_id":52336718512402,"sku":"PENG026579x1","price":5.43,"currency_code":"USD","in_stock":true},{"title":"3\u00264\" Female Cap \/ 1 pcs","offer_id":52336718545170,"sku":"PENG026580x1","price":4.69,"currency_code":"USD","in_stock":true},{"title":"1\" Male Plug \/ 1 pcs","offer_id":52336718577938,"sku":"PENG026581x1","price":8.23,"currency_code":"USD","in_stock":true},{"title":"1\" Female Cap \/ 1 pcs","offer_id":52336718610706,"sku":"PENG026582x1","price":8.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of14_f7f8b5c8-1c34-435d-b7ab-d303ea3f8af3.jpg?v=1781096591","url":"https:\/\/homediyer.com\/de\/products\/ss304-bsp-pipe-plug-end-cap-male-female-threaded-fitting","provider":"HomeDIYer","version":"1.0","type":"link"}