{"product_id":"4l-vacuum-investing-and-casting-machine-for-lost-wax-jewellery","title":"4L Vacuum Investing and Casting Machine for Lost-Wax Jewellery","description":"\u003cdiv style=\"font-family:inherit;color:inherit\"\u003e\n\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003eA bench-top vacuum investing and casting machine that combines investment de-airing and vacuum-assisted flask casting in one unit.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:1.25rem\"\u003eIts dual-workstation design, clear vacuum hood, front-mounted analogue gauge and support for casting flasks up to 4 x 7 inches make it suitable for small jewellery studios with an established lost-wax casting workflow. The machine includes a built-in 4L-rated vacuum pump and is available in separate 110V and 220V versions. It does not melt metal or perform wax burnout — a burnout kiln, suitable metal-melting equipment and other casting materials are required separately.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eVoltage Selection Guide\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003eThis machine is offered in two separate voltage versions: 110V and 220V. Select the version that matches the electrical supply at your installation location. The ordered voltage must match the supply — automatic dual-voltage operation is not stated. Confirm the voltage shown on the machine's rating label before connecting power.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eBest For \/ Not For\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin-bottom:1.5rem;font-size:15px\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;font-weight:600;text-align:left\"\u003eBest For\u003c\/th\u003e\n\u003cth style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;font-weight:600;text-align:left\"\u003eNot For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eSmall jewellery studios using lost-wax casting\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eCasting flasks larger than approximately 4 x 7 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eVacuum de-airing of mixed investment\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eMelting gold, silver or other metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eVacuum-assisted casting into prepared flasks\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eWax burnout or investment-mould baking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eGold, silver, copper and compatible jewellery-alloy workflows\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eOperation without the specified vacuum pump oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eStudios that already have a burnout kiln and melting equipment\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eLocations without a stable, load-rated workbench\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eOperators trained in hot-flask and molten-metal handling\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eUntrained or unattended operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eSmall-batch rings, pendants, earrings and similar jewellery components\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003ePressure casting or centrifugal casting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin-bottom:1.5rem;font-size:15px\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eProduct type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eVacuum investing and vacuum-assisted casting machine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eBuilt-in vacuum pump\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003e4L-rated model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eRated power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003e800W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eVoltage options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eSeparate 110V and 220V versions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eVacuum workstations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eInvestment de-airing table and vacuum casting chamber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eVacuum monitoring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eFront-mounted analogue gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eCasting chamber size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eApprox. 150 x 190 mm (5.91 x 7.48 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eMaximum flask size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eUp to approx. 102 x 178 mm (4 x 7 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eInvestment table size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eApprox. 285 x 285 mm (11.22 x 11.22 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eClear acrylic hood size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eApprox. 280 x 220 mm (11.02 x 8.66 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eIncluded casting flask\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eApprox. 89 x 102 mm (3.5 x 4 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eMachine dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eApprox. 680 x 325 x 660 mm (26.77 x 12.80 x 25.98 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eMachine weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eApprox. 43.1 kg (95.0 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eCompatible metals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eK gold, silver, copper and other suitable jewellery alloys\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003ePro Tips\u003c\/h2\u003e\n\u003cul style=\"padding-left:1.5rem;margin-bottom:1.5rem;font-size:16px;line-height:1.8\"\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e\n\u003cstrong\u003eCheck oil before every session.\u003c\/strong\u003e Confirm the oil level is within the range specified in the manual. Never run the pump without oil.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e\n\u003cstrong\u003eKeep sealing surfaces clean.\u003c\/strong\u003e Investment powder and dried slurry interrupt the seal. Wipe the table, chamber rim, hood edge and gaskets after each use.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e\n\u003cstrong\u003eLeave adequate headspace.\u003c\/strong\u003e Investment can rise rapidly under vacuum. Use a sufficiently large mixing container and avoid overfilling.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e\n\u003cstrong\u003eMatch the gasket to the flask.\u003c\/strong\u003e The gasket should support the flask evenly and create an effective seal without allowing the flask to contact unstable edges.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e\n\u003cstrong\u003eRelease vacuum before opening.\u003c\/strong\u003e Always move the valve to the vacuum-release position before lifting the hood or removing the flask. Never force open a sealed component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003e\u003cstrong\u003eDoes this machine melt metal or burn out wax?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:1.25rem\"\u003eNo. It supplies vacuum only. A separate burnout kiln is required to remove wax, and suitable metal-melting equipment must be purchased and used separately.\u003c\/p\u003e\n\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003e\u003cstrong\u003eIs vacuum pump oil included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:1.25rem\"\u003eNo. Vacuum pump oil must be purchased separately and added before first use. Operating the pump without oil may cause damage.\u003c\/p\u003e\n\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003e\u003cstrong\u003eWhat is the largest compatible casting flask?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:1.25rem\"\u003eThe published maximum flask size is approximately 4 x 7 inches (102 x 178 mm). Actual compatibility also depends on flask shape, gasket and required clearance.\u003c\/p\u003e\n\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003e\u003cstrong\u003eCan the same machine use both 110V and 220V?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:1.25rem\"\u003eNo. The product is offered in separate 110V and 220V versions. Automatic dual-voltage capability is not stated. Use only the voltage shown on the machine's rating label.\u003c\/p\u003e\n\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003e\u003cstrong\u003eDoes vacuum guarantee a complete casting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:1.25rem\"\u003eNo. Vacuum assists the process but does not compensate for poor sprue design, incomplete burnout, incorrect metal temperature or incorrect pouring technique. Correct preparation at every stage is required.\u003c\/p\u003e\n\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003e\u003cstrong\u003eWhat should I do if the machine does not hold vacuum or I have a setup question?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:1.25rem\"\u003eCheck hood and flask positioning, gasket condition, sealing-surface cleanliness, valve position and oil level. If the issue cannot be identified safely, disconnect the machine and contact the Tooltos team at sales@tooltos.com.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul style=\"padding-left:1.5rem;margin-bottom:1.5rem;font-size:16px;line-height:1.8\"\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e1 x 4L vacuum investing and casting machine\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e1 x Clear acrylic vacuum hood\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e1 x 3.5 x 4 inch stainless-steel casting flask\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e3 x Metal gaskets\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e4 x Rubber sealing gaskets\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e1 x Casting flask tongs\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e1 x Power cable\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e1 x User manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background-color:#fff3cd;border-left:4px solid #e6a817;padding:12px 16px;margin:16px 0;line-height:1.7\"\u003e\nVacuum pump oil is not included and must be added before first use. Operating the pump without oil may cause damage.\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eSupport\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:1.25rem\"\u003eQuestions about setup, voltage selection, flask compatibility or order status? Contact the Tooltos team at sales@tooltos.com. We respond within 24 hours on business days.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Musttool","offers":[{"title":"110V","offer_id":47123428475068,"sku":"JHZZZZJ034","price":1999.99,"currency_code":"EUR","in_stock":true},{"title":"220V","offer_id":47123430998204,"sku":"JHZZZZJ033","price":1999.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/4908\/3580\/files\/ce948481-1324-4657-8e35-bfbc1e0b8d5d.webp?v=1784082051","url":"https:\/\/musttool.com\/products\/4l-vacuum-investing-and-casting-machine-for-lost-wax-jewellery","provider":"Musttool","version":"1.0","type":"link"}