{"product_id":"smith-mw411-recessed-headtube-tip-platinum-casting","title":"Smith MW411 Single Flame Recessed Headtube\/Tip for Platinum","description":"\u003cp\u003eThe Smith MW411 is a one-piece single-flame recessed headtube and tip designed specifically for casting platinum using an oxygen\/propane fuel mix. Built for use with the Smith Equipment WH100 casting torch handle (Otto Frei part number 114.395), this headtube features a single recessed orifice that concentrates heat effectively for high-temperature casting applications.\u003c\/p\u003e\u003cp\u003eRated for casting up to 3 oz. of platinum, the MW411 is also well-suited for casting other precious metals, including gold and silver alloys. While Smith Equipment notes compatibility with oxygen and natural gas as an alternative fuel combination, a natural gas pressure booster is required to achieve sufficient operating pressure. \u003cstrong\u003eNatural gas is not suitable for melting platinum\u003c\/strong\u003e but may be used for melting gold and silver alloys when paired with the appropriate pressure booster.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSingle-flame recessed orifice tip for focused, high-temperature output\u003c\/li\u003e\n\u003cli\u003eOne-piece headtube and tip construction\u003c\/li\u003e\n\u003cli\u003eDesigned for platinum casting with oxygen\/propane\u003c\/li\u003e\n\u003cli\u003eCapable of casting up to 3 oz. of platinum\u003c\/li\u003e\n\u003cli\u003eAlso suitable for casting gold and silver alloys\u003c\/li\u003e\n\u003cli\u003eCompatible with oxygen and natural gas (pressure booster required; not suitable for platinum with natural gas)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel Compatibility\u003c\/th\u003e\n\u003ctd\u003eOxygen\/Propane (primary); Oxygen\/Natural Gas (with pressure booster, non-platinum use only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasting Capacity\u003c\/th\u003e\n\u003ctd\u003eUp to 3 oz. platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrifice Configuration\u003c\/th\u003e\n\u003ctd\u003eSingle recessed orifice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eOne-piece headtube and tip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Handle\u003c\/th\u003e\n\u003ctd\u003eSmith Equipment WH100 Casting Torch Handle (Otto Frei #114.395)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNatural gas is not suitable for melting platinum — oxygen\/propane is required for platinum casting.\u003c\/li\u003e\n\u003cli\u003eA natural gas pressure booster is required when using oxygen\/natural gas as the fuel combination.\u003c\/li\u003e\n\u003cli\u003eThis product contains chemicals subject to California Proposition 65 warnings.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Smith Torch","offers":[{"title":"Default Title","offer_id":43581525098710,"sku":"114.398","price":99.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/smith-mw411-single-flame-recessed-headtubetip-for-platinum-otto-frei.jpg?v=1719957544","url":"https:\/\/www.ottofrei.com\/products\/smith-mw411-recessed-headtube-tip-platinum-casting","provider":"Otto Frei","version":"1.0","type":"link"}