{"product_id":"mamelon-droite-gauche-mm-fonte-noire","title":"Right\/Left Nipple M\/M Black Cast Iron","description":"\u003cul\u003e\n\u003cli\u003eMaterial : Black malleable iron\u003c\/li\u003e\n\u003cli\u003eColour : Grey \/ Dark grey\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe right\/left M\/M nipple in black cast iron (ref. 281) has a \u003cstrong\u003eright-hand male thread on one side and a left-hand male thread on the other\u003c\/strong\u003e. The left-hand side \u003cstrong\u003edoes not screw into a standard female fitting\u003c\/strong\u003e (which is right-hand tapped). It is used with the \u003cstrong\u003eright\/left coupling F\/F\u003c\/strong\u003e (ref. 271) which screws over it, or with a left-hand tapped fitting (non-standard).\u003c\/p\u003e\n\n\u003ch2\u003eHow does a right\/left fitting work?\u003c\/h2\u003e\n\u003cp\u003eA standard fitting always screws in the same direction (clockwise). The right\/left nipple has a reversed thread on one of its sides. Combined with the \u003ca href=\"\/products\/black-cast-iron-right-left-coupling-ff\"\u003eright\/left coupling F\/F\u003c\/a\u003e, it forms a system where \u003cstrong\u003eby turning the coupling, both sides tighten or loosen simultaneously\u003c\/strong\u003e. This allows you to connect or separate two fixed elements without turning them.\u003c\/p\u003e\n\u003cdiv style=\"text-align:center;margin:15px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2439\/6099\/files\/mamelon-droite-droite.jpg?v=1775726421\" alt=\"Screwing direction of right\/left nipple — both sides screw in the same rotation direction\" style=\"max-width:320px;width:100%;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eCoupling + Nipple: the essential pair\u003c\/h2\u003e\n\u003cp\u003eThe right\/left nipple is never used alone. It pairs with the \u003ca href=\"\/products\/black-cast-iron-right-left-coupling-ff\"\u003eright\/left coupling F\/F\u003c\/a\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003eR\/L nipple\u003c\/strong\u003e (M\/M) screws into an existing female fitting (tee, elbow, flange…).\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003eR\/L coupling\u003c\/strong\u003e (F\/F) covers the nipple and the adjacent fitting or pipe. Turning it tightens both sides at once.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInteresting use for decoration:\u003c\/strong\u003e in a frame or rectangular shape made of pipes and fittings, the last connection is impossible with standard fittings. The combination \u003cstrong\u003eR\/L nipple + R\/L coupling + standard coupling\u003c\/strong\u003e closes the loop by tightening both sides simultaneously. A more compact and economical alternative to \u003ca href=\"\/products\/union-f-f-black-cast-iron-1\"\u003eunion fittings F\/F\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eStandard :\u003c\/strong\u003e Manufactured per \u003cstrong\u003eEN 10242\u003c\/strong\u003e and \u003cstrong\u003eISO 49\u003c\/strong\u003e. Malleable iron grade EN-GJMW-400-5 (per EN 1562).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eThreads :\u003c\/strong\u003e One right-hand male thread (R) + one left-hand male thread, per ISO 7-1 (BSP).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eReliability :\u003c\/strong\u003e 100% leak-tested.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eThread engagement: 10 to 15 mm\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003eMaterial : black malleable iron\u003c\/li\u003e\n\u003cli\u003eColour : \u003cstrong\u003edark grey\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eService conditions\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eMax temperature :\u003c\/strong\u003e 155°C (water).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCompatibility :\u003c\/strong\u003e Drinking water, wastewater, gas, steam, non-corrosive liquids.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDimensions\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;margin-bottom:20px;\"\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\u003cimg style=\"float:none;\" alt=\"Technical drawing right\/left nipple M\/M black cast iron — dimensions\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2439\/6099\/products\/mamelon-droitegauche-mm-fonte-noire-103258.jpg?v=1753907412\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003csmall\u003eScroll the table horizontally to see all measurements.\u003c\/small\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;text-align:center;font-size:0.85em;min-width:450px;\"\u003e\n\u003cthead style=\"background-color:#333;color:#fff;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px;border:1px solid #ddd;\"\u003eSize (inches)\u003c\/th\u003e\n\u003cth style=\"padding:10px;border:1px solid #ddd;\"\u003eSize (mm)\u003c\/th\u003e\n\u003cth style=\"padding:10px;border:1px solid #ddd;\"\u003eDN\u003c\/th\u003e\n\u003cth style=\"padding:10px;border:1px solid #ddd;background-color:#444;\"\u003eLength L (mm)\u003c\/th\u003e\n\u003cth style=\"padding:10px;border:1px solid #ddd;background-color:#f4f4f4;color:#333;\"\u003eWeight (kg)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\/4\"\u003c\/td\u003e\u003ctd\u003e8×14\u003c\/td\u003e\u003ctd\u003eDN8\u003c\/td\u003e\u003ctd\u003e28\u003c\/td\u003e\u003ctd\u003e0,029\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\u003ctd\u003e12×17\u003c\/td\u003e\u003ctd\u003eDN10\u003c\/td\u003e\u003ctd\u003e32\u003c\/td\u003e\u003ctd\u003e0,040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\/2\"\u003c\/td\u003e\u003ctd\u003e15×21\u003c\/td\u003e\u003ctd\u003eDN15\u003c\/td\u003e\u003ctd\u003e38\u003c\/td\u003e\u003ctd\u003e0,059\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd\u003e3\/4\"\u003c\/td\u003e\u003ctd\u003e20×27\u003c\/td\u003e\u003ctd\u003eDN20\u003c\/td\u003e\u003ctd\u003e42\u003c\/td\u003e\u003ctd\u003e0,093\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\u003ctd\u003e26×34\u003c\/td\u003e\u003ctd\u003eDN25\u003c\/td\u003e\u003ctd\u003e47\u003c\/td\u003e\u003ctd\u003e0,162\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd\u003e1\"1\/4\u003c\/td\u003e\u003ctd\u003e33×42\u003c\/td\u003e\u003ctd\u003eDN32\u003c\/td\u003e\u003ctd\u003e52\u003c\/td\u003e\u003ctd\u003e0,270\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\"1\/2\u003c\/td\u003e\u003ctd\u003e40×49\u003c\/td\u003e\u003ctd\u003eDN40\u003c\/td\u003e\u003ctd\u003e56\u003c\/td\u003e\u003ctd\u003e0,280\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\u003ctd\u003e50×60\u003c\/td\u003e\u003ctd\u003eDN50\u003c\/td\u003e\u003ctd\u003e64\u003c\/td\u003e\u003ctd\u003e0,500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eRelated\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEssential :\u003c\/strong\u003e \u003ca href=\"\/products\/black-cast-iron-right-left-coupling-ff\"\u003eRight\/Left Coupling F\/F Black Cast Iron\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible products :\u003c\/strong\u003e \u003ca href=\"\/collections\/black-steel-pipes-1\"\u003eBlack steel pipes\u003c\/a\u003e · \u003ca href=\"\/collections\/black-cast-iron-fittings\"\u003eBlack cast iron fittings\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUseful guides :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"\/blogs\/tutorials-1\/make-wall-shelves-with-plumbing-fittings\"\u003eMake wall shelves with plumbing fittings\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Home Invasion","offers":[{"title":"filetage 3\/8\" Ø17 sur filets","offer_id":53666022555975,"sku":"1002810001200","price":9.0,"currency_code":"USD","in_stock":true},{"title":"1\/2\" Ø21 thread on threads","offer_id":43849389998309,"sku":"1002810001500","price":3.0,"currency_code":"USD","in_stock":true},{"title":"Threads 3\/4\" Ø27 on threads","offer_id":43849390031077,"sku":"1002810002000","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1\" Ø34 thread on threads","offer_id":43849390063845,"sku":"1002810002600","price":6.0,"currency_code":"USD","in_stock":true},{"title":"filetage 1\"1\/4 Ø42 sur filets","offer_id":53666022588743,"sku":"1002810003300","price":11.0,"currency_code":"USD","in_stock":true},{"title":"filetage 1\"1\/2 Ø49 sur filets","offer_id":53666022621511,"sku":"1002810004000","price":14.0,"currency_code":"USD","in_stock":true},{"title":"filetage 2\" Ø60 sur filets","offer_id":53666022654279,"sku":"1002810005000","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2439\/6099\/products\/mamelon-droitegauche-mm-fonte-noire-filetage-34-o27-sur-filets-172382.jpg?v=1775738142","url":"https:\/\/home-invasion.com\/products\/black-cast-iron-right-left-nipple-mm","provider":"Home Invasion","version":"1.0","type":"link"}