{"product_id":"hkm-641235-gas-coffee-bean-roasting-machine-stainless-drum","title":"HKM-641235 Gas Coffee Bean Roasting Machine Stainless Drum Cyclone Chaff Collector Digital Temp Control","description":"\u003cdiv class=\"hkm-pdp\"\u003e\n\n\u003cstyle\u003e\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto:wght@400;500;700\u0026display=swap');\n.hkm-pdp{\n  --hkm-ink:#0e0e0e; --hkm-body:#636363; --hkm-muted:#6e6e6e; --hkm-line:#e1e1e1;\n  --hkm-panel:#f0f0f0; --hkm-blue:#0672cb; --hkm-link:#00468b;\n  max-width:1292px; width:100%; min-width:0; margin:0 auto; padding:0 2px;\n  font-family:\"Roboto\",\"Helvetica Neue\",Helvetica,Arial,sans-serif;\n  font-size:16px; line-height:1.7; color:var(--hkm-body); font-weight:400;\n  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; overflow-wrap:break-word;\n}\n.hkm-pdp *{box-sizing:border-box}\n.hkm-pdp .hkm-eyebrow{\n  font-size:11px; font-weight:400; letter-spacing:.08em; text-transform:uppercase;\n  color:var(--hkm-blue); 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width:auto!important; padding:2px 0; border:0; background:transparent}\n  .hkm-pdp .hkm-cmp td.hkm-cmp-row{font-weight:500; color:var(--hkm-ink); font-size:13.5px; margin-bottom:7px}\n  .hkm-pdp .hkm-cmp td[data-label]::before{content:attr(data-label) \" · \"; color:var(--hkm-muted); font-size:12px}\n}\n@media (min-width:768px) and (max-width:1023px){\n  .hkm-pdp{font-size:14.5px}\n  .hkm-pdp h2{font-size:21px}\n  .hkm-pdp h2:first-of-type{font-size:25px}\n}\n\n\u003c\/style\u003e\n\n\u003cp class=\"hkm-eyebrow\"\u003eHKM-641235 · coffee equipment\u003cspan class=\"hkm-eb-size\"\u003e · Confirm before ordering\u003c\/span\u003e\u003cspan class=\"hkm-eb-cm\"\u003e (metric and US units listed)\u003c\/span\u003e\u003cspan class=\"hkm-eb-wt\"\u003e · net weight in the table\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch2\u003e\n\u003cspan class=\"hkm-t-d\"\u003eThree Digital Controllers and a Stainless Drum With Cyclone Chaff\u003c\/span\u003e\u003cspan class=\"hkm-t-m\"\u003eGas Drum Roaster 3 Controllers 5 kg\u003c\/span\u003e\n\u003c\/h2\u003e\n\n\u003cp class=\"hkm-lead\"\u003eA gas-fired drum roaster built around three digital controllers — batch timer, hot air temperature and bean temperature — with a stainless drum, a cyclone chaff collector, a blower, and a cooling tray with its own stirring arms.\u003c\/p\u003e\n\n\u003cp\u003eFront panel controls for power, heating, timing, cooling and mixing, plus a manual gas valve. This is the shape of machine a small roastery or a serious home setup graduates to.\u003c\/p\u003e\n\n\u003cp\u003eA drum holds the beans, gas heats the drum, and a fan pulls air through the batch and out through a cyclone that drops the chaff.\u003c\/p\u003e\n\n\u003ch2\u003eAt a Glance\u003c\/h2\u003e\n\n\u003cul class=\"hkm-glance\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e — HKM-641235\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e — Gas-fired drum coffee roaster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat source\u003c\/strong\u003e — Gas, manual valve control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrum\u003c\/strong\u003e — Stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControllers\u003c\/strong\u003e — Batch timer, hot air temp, bean temp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanel controls\u003c\/strong\u003e — Power, heating, timing, cooling, mixing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChaff handling\u003c\/strong\u003e — Cyclone separator with blower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling\u003c\/strong\u003e — Separate tray with stirring arms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody\u003c\/strong\u003e — Stainless panels on a black frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug options\u003c\/strong\u003e — AU, EU, UK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e — Confirm batch size before ordering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation\u003c\/strong\u003e — Gas supply, ventilation and commissioning by a qualified technician\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDrum, Burner and Frame\u003c\/h2\u003e\n\n\u003cp\u003eHeat goes into a rotating steel drum, the drum transfers it to the beans by contact and by the air moving through it, and the beans are stirred continuously so no part of the batch sits against hot metal long enough to scorch.\u003c\/p\u003e\n\n\u003cp\u003eThat is the whole principle. Everything else on the machine exists to control how much heat arrives, how fast air leaves, and when the process stops.\u003c\/p\u003e\n\n\u003cp\u003eGas is the reason this design survives in small roasteries. A flame responds immediately: turn the valve down and the heat drop arrives in seconds rather than minutes, which is what makes it possible to steer a roast through first crack instead of watching it run away.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eType: Gas-fired drum coffee roaster\u003c\/li\u003e\n\u003cli\u003eHeat source: Gas burner with manual valve\u003c\/li\u003e\n\u003cli\u003eDrum: Stainless steel, rotating\u003c\/li\u003e\n\u003cli\u003eControllers: Batch timer, hot air temperature, bean temperature\u003c\/li\u003e\n\u003cli\u003ePanel controls: Power, heating, timing, cooling, mixing\u003c\/li\u003e\n\u003cli\u003eChaff handling: Cyclone separator, blower, collection container\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe trade is that gas needs a proper supply, a proper regulator and proper ventilation, and none of those are optional. A drum machine also gives you two temperature readings that mean different things.\u003c\/p\u003e\n\n\u003ch2\u003eAirflow, Chaff and Cooling\u003c\/h2\u003e\n\n\u003cp\u003eThe panel carries three digital displays.\u003c\/p\u003e\n\n\u003cp\u003eThe timer counts the batch, which is how every roast gets logged: charge, first crack, drop. The bean temperature probe is the one you steer by once the batch is under way.\u003c\/p\u003e\n\n\u003cp\u003eThe hot air probe tells you what the drum is doing between batches and during the gaps in a back-to-back session.\u003c\/p\u003e\n\n\u003cp\u003eThree readouts are enough because roasting is a two-variable problem at this scale: heat in, air out, measured against time.\u003c\/p\u003e\n\n\u003ch2\u003eWho It Fits and How It Roasts\u003c\/h2\u003e\n\n\u003cp\u003eVentilation is the other half. A gas roaster produces heat, moisture and smoke, and the exhaust has to leave the room rather than settle in it.\u003c\/p\u003e\n\n\u003cp\u003eA hood or a duct to outside, sized for the machine, plus a carbon filter if the exhaust is near neighbours, is the baseline.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eBean temperature is the batch itself\u003c\/li\u003e\n\u003cli\u003eWatching the gap between them tells you whether the drum is storing heat or dumping it\u003c\/li\u003e\n\u003cli\u003eA roaster who writes down those three numbers for every batch builds a record they can\u003c\/li\u003e\n\u003cli\u003eA roaster who does not is starting from scratch each time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\n\u003cdiv class=\"hkm-tablewrap\"\u003e\n\n\u003ctable\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003cp class=\"hkm-note\"\u003eHKM-641235 ships in one carton with the the product and the parts listed above. Check each item against the list before the first use, and keep the carton for the first month in case something has to go back.\u003c\/p\u003e\n\n\u003ch2\u003eColor and Finish\u003c\/h2\u003e\n\n\u003cp\u003eEvery session: empty the chaff, wipe the cooling tray, brush the drum door seal. Every few sessions: vacuum the drum and the exhaust path, check the flame appearance, and look for soot at the cyclone inlet which means the mixture is off.\u003c\/p\u003e\n\n\u003cp\u003eSeasonally: have the gas line and regulator checked, and replace any hose that has hardened.\u003c\/p\u003e\n\n\u003ch2\u003eCare and Maintenance\u003c\/h2\u003e\n\n\u003cp\u003eThe drum itself wants almost nothing beyond keeping it clean and dry. A dry brush and a vacuum do the job. The gas valve on the panel is manual, which means the operator is part of the control loop.\u003c\/p\u003e\n\n\u003cp\u003eThat is normal for this class of machine and it is also the reason a few habits matter: open the valve slowly, watch the flame through the sight glass rather than assuming it lit, and close it fully at the end of a session rather than relying on the burner control alone.\u003c\/p\u003e\n\n\u003cp\u003eInstallation is where many problems start. The machine wants a regulated supply at the pressure specified for your region, a shut-off valve within reach, and a hose that is rated for the fuel you are using.\u003c\/p\u003e\n\n\u003cp\u003eLPG and natural gas are not interchangeable, and a roaster set up for one will not run correctly on the other. Tell us which you have before the unit ships.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003cdiv class=\"hkm-tablewrap\"\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eHKM-641235\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eGas-fired drum coffee roaster\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat source\u003c\/td\u003e\n\u003ctd\u003eGas burner with manual valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eStainless steel, rotating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControllers\u003c\/td\u003e\n\u003ctd\u003eBatch timer, hot air temperature, bean temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePanel controls\u003c\/td\u003e\n\u003ctd\u003ePower, heating, timing, cooling, mixing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChaff handling\u003c\/td\u003e\n\u003ctd\u003eCyclone separator, blower, collection container\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eSeparate tray with motorised stirring arms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBean loading\u003c\/td\u003e\n\u003ctd\u003eHopper with manual damper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eStainless steel panels, black frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlug options\u003c\/td\u003e\n\u003ctd\u003eAU, EU, UK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBatch capacity\u003c\/td\u003e\n\u003ctd\u003eConfirm before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eGas supply, ventilation and commissioning by a qualified technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdiv class=\"hkm-q\"\u003e\n\u003ch3\u003eWhat gas does it run on?\u003c\/h3\u003e\n\u003cp\u003eThe burner is set up for one fuel type, either LPG or natural gas, and the two are not interchangeable. Tell us which supply you have before the unit ships and we will confirm the configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hkm-q\"\u003e\n\u003ch3\u003eWhat batch size does it roast?\u003c\/h3\u003e\n\u003cp\u003eBatch capacity depends on the configuration, and this listing does not state a figure we can stand behind. Send us your target batch weight and roasts per week and we will confirm the right size rather than guess.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hkm-q\"\u003e\n\u003ch3\u003eWhat ventilation does it need?\u003c\/h3\u003e\n\u003cp\u003eExhaust to outside, sized for the machine, with a hood or duct and a carbon filter if the outlet is near neighbours. A gas roaster in a closed room is a carbon monoxide risk before it is a coffee problem.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hkm-q\"\u003e\n\u003ch3\u003eDoes it need a special electrical supply?\u003c\/h3\u003e\n\u003cp\u003eThe blower, drum motor and cooling fan need mains power, and the plug options cover AU, EU and UK sockets. The burner itself runs on gas, so the electrical load is for motors and controls rather than heating.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hkm-q\"\u003e\n\u003ch3\u003eHow often does it need cleaning?\u003c\/h3\u003e\n\u003cp\u003eEmpty the chaff after every session, vacuum the drum and exhaust path every few sessions, and have the gas line and regulator checked seasonally. Never wash the drum: a dry brush and a vacuum are the whole routine.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hkm-q\"\u003e\n\u003ch3\u003eCan it be installed by the buyer?\u003c\/h3\u003e\n\u003cp\u003eThe gas connection and commissioning should be done by a qualified technician, and any ducting or permits are the buyer's responsibility. The machine arrives complete; the installation around it does not.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eService and Policies\u003c\/h2\u003e\n\n\u003cp\u003eCoverage that lasts beyond the box. Orders ship free with a tracking number in 2 to 5 business days. From delivery, the product is protected for 180 days against manufacturing defects and transit damage, returnable within 30 days for a full refund, and covered by a 24-month parts-and-labor warranty on manufacturing defects. Four policies, one idea: ship it free, protect it for 180 days, take it back for 30, and stand behind it for two years.\u003c\/p\u003e\n\n\u003cdiv class=\"hkm-policy-grid\"\u003e\n\u003cdiv class=\"hkm-policy-card\"\u003e\n\u003ch3\u003eFree Shipping on All Orders\u003c\/h3\u003e\n\u003cp\u003eEvery order ships free. Handling Time: 0-1 business days (Monday to Friday). Transit Time: 2-5 business days (Monday to Friday). A tracking number is emailed as soon as the parcel leaves our warehouse.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hkm-policy-card\"\u003e\n\u003ch3\u003e180 Days Purchase Protection\u003c\/h3\u003e\n\u003cp\u003eYour purchase is protected for 180 days from the delivery date against manufacturing defects and damage in transit. If something arrives wrong, we make it right.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hkm-policy-card\"\u003e\n\u003ch3\u003e30 Days Money-Back Guarantee\u003c\/h3\u003e\n\u003cp\u003eNot completely satisfied? Request a return within 30 days of delivery for a full refund. We keep the process simple and hassle-free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hkm-policy-card\"\u003e\n\u003ch3\u003e24 Months Warranty Service\u003c\/h3\u003e\n\u003cp\u003eThe product is covered by a 24-month warranty from the delivery date against manufacturing defects. 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