{"product_id":"mamelon-inox-male-male-316","title":"Stainless steel nipple, male\/male 316, BSP threaded","description":"\u003cp\u003e\u003cstrong\u003eStainless steel nipple, male\/male 316\u003c\/strong\u003e, \u003cstrong\u003eBSP\u003c\/strong\u003e threaded (R taper to ISO 7-1) at both ends, from 1\/4\" to 4\" (DN8 to DN100). This threaded stainless steel nipple joins two Rp tapped components in line and is tightened by its central flats. Rated PN 20 up to 40 °C and drinking water compliant, it is suitable for all fluids compatible with stainless steel.\u003c\/p\u003e\n\u003ch2\u003eDescription of the stainless steel BSP nipple\u003c\/h2\u003e\n\u003cp\u003eThis threaded \u003cstrong\u003estainless steel pipe fitting\u003c\/strong\u003e makes a straight connection between two Rp tapped threads of the same size, with no welding or soldering. It is investment cast (lost wax) in \u003cstrong\u003eCF8M (AISI 316)\u003c\/strong\u003e stainless steel, and designed, manufactured and inspected to ISO 4144.\u003c\/p\u003e\n\u003cp\u003eEach end has a taper R male thread, which fits into a parallel Rp tapped thread. The central flats take the spanner: dimension A ranges from 15 mm at 1\/4\" to 118 mm at 4\". The 1\/2\" stainless steel nipple (French size 15x21, DN15) is 42 mm long and 22 mm across flats.\u003c\/p\u003e\n\u003ch3\u003eStainless steel nipple: technical specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:.8em 0\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:.92rem;margin:0\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;font-weight:700;text-align:left;background:#f5f0e6;white-space:nowrap\"\u003eMaterial\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;text-align:left\"\u003eCF8M (AISI 316) stainless steel\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;font-weight:700;text-align:left;background:#f5f0e6;white-space:nowrap\"\u003eManufacture\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;text-align:left\"\u003eInvestment casting (lost wax)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;font-weight:700;text-align:left;background:#f5f0e6;white-space:nowrap\"\u003eStandard\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;text-align:left\"\u003eDesigned, manufactured and inspected to ISO 4144\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;font-weight:700;text-align:left;background:#f5f0e6;white-space:nowrap\"\u003eThread\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;text-align:left\"\u003eR taper to ISO 7-1 (BSP, R series), at both ends. Mates with an Rp female thread (parallel). Not compatible with NPT\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;font-weight:700;text-align:left;background:#f5f0e6;white-space:nowrap\"\u003eConnection\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;text-align:left\"\u003eMale\/male\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;font-weight:700;text-align:left;background:#f5f0e6;white-space:nowrap\"\u003eSpanner grip\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;text-align:left\"\u003eCentral flats (dimension A)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;font-weight:700;text-align:left;background:#f5f0e6;white-space:nowrap\"\u003eNominal pressure\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;text-align:left\"\u003ePN 20: 20 bar from −20 to 40 °C, lower above that\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;font-weight:700;text-align:left;background:#f5f0e6;white-space:nowrap\"\u003eTemperature\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;text-align:left\"\u003e−20\/+220 °C, permissible pressure reduced above 40 °C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;font-weight:700;text-align:left;background:#f5f0e6;white-space:nowrap\"\u003eFluids\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;text-align:left\"\u003eAll fluids compatible with stainless steel\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;font-weight:700;text-align:left;background:#f5f0e6;white-space:nowrap\"\u003eSizes\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;text-align:left\"\u003e11 sizes, from 1\/4\" to 4\"\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;font-weight:700;text-align:left;background:#f5f0e6;white-space:nowrap\"\u003eCompliance\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:8px 12px;text-align:left\"\u003e4MS; drinking water: French order of 25 June 2020\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003ePressure and temperature\u003c\/h3\u003e\n\u003cp\u003ePN 20 applies from −20 to 40 °C. Above that, the permissible pressure falls. Values marked ≈ are read from the pressure\/temperature curve in the technical data sheet.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:.8em 0\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:.88rem;margin:0\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003eTemperature (°C)\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003eMax. pressure (bar)\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e−20 → 40\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa\"\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e100\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e≈ 16.5\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e150\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e≈ 15\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa\"\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e220\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e≈ 13.5\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eCertification and compliance\u003c\/h3\u003e\u003cp\u003eAccording to the technical data sheet for the series:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003e4MS\u003c\/strong\u003e: compliant with the 4MS requirements, the harmonized European rules for materials and products in contact with drinking water.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eDrinking water\u003c\/strong\u003e: compliant with the French order (arrêté) of 25 June 2020 on metallic materials and products in contact with water intended for human consumption.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eUses and installation advice\u003c\/h3\u003e\n\u003cp\u003eThis nipple is used on drinking water systems and on circuits carrying fluids compatible with 316 stainless steel. To connect two male components, choose a \u003ca href=\"\/products\/stainless-steel-coupling-female-female-316\"\u003estainless steel female\/female coupling\u003c\/a\u003e instead. For a point of disconnection, see the \u003ca href=\"\/products\/stainless-steel-union-male-male-316l-pn40\"\u003estainless steel male\/male union PN 40\u003c\/a\u003e. Check fluid compatibility and the permissible pressure at the working temperature.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\u003cstrong\u003eThread sealing\u003c\/strong\u003e: an R\/Rp joint seals on the threads, using PTFE or jointing compound suited to the fluid and the working temperature.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eGalling\u003c\/strong\u003e: with stainless steel on stainless steel, the thread can gall. Screw in gradually, without forcing.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eTightening\u003c\/strong\u003e: tighten with an open-ended or adjustable spanner on the central flats, not with pipe grips or pliers, which mark stainless steel.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eDissimilar metals\u003c\/strong\u003e: on a water system, stainless steel forms a galvanic couple with galvanized steel or cast iron. Allow for this when choosing the connected components.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eTechnical drawing\u003c\/h3\u003e\n\u003cfigure style=\"margin:1.2em 0;text-align:center;padding:0\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2439\/6099\/files\/dessin-technique-mamelon-inox-male-male-bsp.png\" alt=\"Technical drawing of the stainless steel male\/male BSP threaded nipple, dimensions A, ØB, C and L, R thread\" loading=\"lazy\" decoding=\"async\" width=\"2090\" height=\"839\" fetchpriority=\"low\" style=\"max-width:100%;height:auto;display:block;margin:0 auto;border:1px solid #eee;border-radius:4px;background:#fff\"\u003e\u003cfigcaption style=\"font-size:.85rem;color:#666;margin-top:.4em;font-style:italic\"\u003eDimensioned drawing – dimensions in millimetres\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eDimensions (mm)\u003c\/h3\u003e\n\u003cp\u003eDimensions in millimetres, PN in bar, weight in kilograms. A is the dimension across flats, ØB the bore, C the length of each threaded section and L the overall length.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:.8em 0\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:.88rem;margin:0\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003eR size\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003eFrench size\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003eA\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003eØB\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003eC\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003eL\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003ePN (bar)\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003eWeight (kg)\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e1\/4\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e8x13\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e15\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e8\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e13.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e32\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e0.021\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa\"\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e3\/8\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e12x17\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e19\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e10.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e15\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e36.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e0.036\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e1\/2\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e15x21\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e22\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e15\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e16.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e42\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e0.051\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa\"\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e3\/4\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20x27\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e27.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e18.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e45\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e0.073\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e1\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e26x34\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e35.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e26\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e18.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e48\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e0.120\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa\"\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e1\"1\/4\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e33x42\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e44.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e34.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e21\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e53.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e0.171\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e1\"1\/2\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e40x49\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e50.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e40\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e21.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e55.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e0.219\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa\"\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e2\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e50x60\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e62.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e52\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e25.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e64\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e0.328\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e2\"1\/2\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e66x76\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e78\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e64.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e31\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e76\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e0.666\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa\"\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e3\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e80x90\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e91.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e77\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e33.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e79.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e0.856\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e4\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e102x114\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e118\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e102.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e36\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e85.5\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e1.122\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eSize conversion\u003c\/h3\u003e\n\u003cp\u003eConversion between the French size designation, inches, DN and the outside diameter stated in the designation (a rounded value, not a pipe dimension).\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:.8em 0\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:.88rem;margin:0\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003eFrench size\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003e8x13\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003e12x17\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003e15x21\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003e20x27\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003e26x34\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003e33x42\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003e40x49\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003e50x60\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003e66x76\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003e80x90\u003c\/th\u003e\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;background:#f5f0e6;font-weight:700\"\u003e102x114\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;font-weight:700\"\u003eInches\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e1\/4\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e3\/8\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e1\/2\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e3\/4\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e1\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e1\"1\/4\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e1\"1\/2\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e2\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e2\"1\/2\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e3\"\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e4\"\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa\"\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;font-weight:700\"\u003eDN\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003eDN8\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003eDN10\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003eDN15\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003eDN20\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003eDN25\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003eDN32\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003eDN40\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003eDN50\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003eDN65\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003eDN80\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003eDN100\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap;font-weight:700\"\u003eOD (French size)\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e13 mm\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e17 mm\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e21 mm\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e27 mm\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e34 mm\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e42 mm\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e49 mm\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e60 mm\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e76 mm\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e90 mm\u003c\/td\u003e\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;text-align:center;white-space:nowrap\"\u003e114 mm\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eStainless steel nipple: frequently asked questions\u003c\/h3\u003e\n\u003ch4\u003eNipple, reducing nipple or pipe nipple?\u003c\/h4\u003e\u003cp\u003eThis nipple joins two tapped threads of the same size over a short length. The \u003ca href=\"\/products\/stainless-steel-reducing-nipple-male-male-316\"\u003estainless steel reducing nipple\u003c\/a\u003e joins two different sizes. The \u003ca href=\"\/products\/stainless-steel-pipe-nipple-male-male-316\"\u003estainless steel pipe nipple\u003c\/a\u003e, PN 50, gives more length: 100 or 150 mm.\u003c\/p\u003e\n\u003ch4\u003eWhat is the pressure rating at 100 °C?\u003c\/h4\u003e\u003cp\u003e≈ 16.5 bar, against 20 bar from −20 to 40 °C.\u003c\/p\u003e\n\u003ch4\u003eBSP or NPT thread?\u003c\/h4\u003e\u003cp\u003eBSP to ISO 7-1: R taper thread, for use with an Rp parallel female thread. This nipple is not compatible with NPT.\u003c\/p\u003e\n\u003ch4\u003eCan this nipple be screwed into a brass or cast iron fitting?\u003c\/h4\u003e\u003cp\u003eThe threads must match: the mating fitting must have an Rp tapped thread to ISO 7-1. Note that, with few exceptions, our flat-seal and conical-seat brass fittings are threaded to ISO 228-1 (BSPP, parallel), not Rp. With cast iron, allow for the galvanic couple on a water system.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe appearance of the part may vary depending on the batch in stock. \u003ca href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e for confirmation.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eSee also\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFull range:\u003c\/strong\u003e \u003ca href=\"\/collections\/stainless-steel-bsp-pipe-fittings\"\u003eall stainless steel BSP fittings\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOther stainless steel fittings:\u003c\/strong\u003e \u003ca href=\"\/products\/stainless-steel-reducing-nipple-male-male-316\"\u003estainless steel male\/male reducing nipple\u003c\/a\u003e, \u003ca href=\"\/products\/stainless-steel-pipe-nipple-male-male-316\"\u003estainless steel male\/male pipe nipple\u003c\/a\u003e, \u003ca href=\"\/products\/stainless-steel-coupling-female-female-316\"\u003estainless steel female\/female coupling\u003c\/a\u003e, \u003ca href=\"\/products\/stainless-steel-half-socket-female-female-316\"\u003estainless steel half socket\u003c\/a\u003e, \u003ca href=\"\/products\/stainless-steel-90-degree-elbow-female-female-316\"\u003estainless steel 90° female\/female elbow\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOther materials:\u003c\/strong\u003e \u003ca href=\"\/collections\/brass-nipples-couplings-reducers\"\u003ebrass nipples\u003c\/a\u003e, \u003ca href=\"\/collections\/black-nipples-couplings-reducers\"\u003eblack malleable iron nipples\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUseful guides:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/blogs\/tutorials-1\/plumbing-threads-guide-complete-bspt-bspp-npt\"\u003eGuide to plumbing threads\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"\/blogs\/tutorials-1\/how-to-screw-threaded-plumbing-fittings-and-pipes\"\u003eHow to screw fittings and pipes together\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n","brand":"Home Invasion","offers":[{"title":"1\/4\"","offer_id":55701957148999,"sku":"8002800000800","price":4.0,"currency_code":"USD","in_stock":true},{"title":"3\/8\"","offer_id":55701957181767,"sku":"8002800001200","price":5.0,"currency_code":"USD","in_stock":true},{"title":"1\/2\"","offer_id":55701957214535,"sku":"8002800001500","price":7.0,"currency_code":"USD","in_stock":true},{"title":"3\/4\"","offer_id":55701957247303,"sku":"8002800002000","price":9.0,"currency_code":"USD","in_stock":true},{"title":"1\"","offer_id":55701957280071,"sku":"8002800002600","price":13.0,"currency_code":"USD","in_stock":true},{"title":"1\"1\/4","offer_id":55701957312839,"sku":"8002800003300","price":20.0,"currency_code":"USD","in_stock":true},{"title":"1\"1\/2","offer_id":55701957345607,"sku":"8002800004000","price":25.0,"currency_code":"USD","in_stock":true},{"title":"2\"","offer_id":55701957378375,"sku":"8002800005000","price":34.0,"currency_code":"USD","in_stock":true},{"title":"2\"1\/2","offer_id":55701957411143,"sku":"8002800006600","price":70.0,"currency_code":"USD","in_stock":true},{"title":"3\"","offer_id":55701957443911,"sku":"8002800008000","price":99.0,"currency_code":"USD","in_stock":true},{"title":"4\"","offer_id":55701957476679,"sku":"8002800010200","price":157.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2439\/6099\/files\/mamelon-inox-male-male-316-bsp-1.jpg?v=1793802636","url":"https:\/\/home-invasion.com\/products\/stainless-steel-nipple-male-male-316","provider":"Home Invasion","version":"1.0","type":"link"}