{
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    "date": "2026-10-27T02:13:49",
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    "modified": "2026-10-27T22:59:06",
    "modified_gmt": "2026-10-27T22:59:06",
    "slug": "what-size-chiller-for-jacketed-glass-reactor",
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    "link": "https:\/\/www.unionclay.com\/de\/what-size-chiller-for-jacketed-glass-reactor\/",
    "title": {
        "rendered": "What Size Chiller for a Jacketed Glass Reactor?"
    },
    "content": {
        "rendered": "<p>The chiller (or heating-cooling integrated unit) paired with a jacketed glass reactor has to remove your process heat at the working temperature \u2014 and cooling capacity falls as the set point drops. This guide gives the jacket volume for each reactor size, the outer-circulation port sizes, and the source-provided cooling-capacity data of the <a href=\"\/de\/produkt-kategorie\/temperature-control-equipment\/recirculating-chiller\/\">Umlaufk\u00fchler<\/a> und <a href=\"\/de\/produkt-kategorie\/temperature-control-equipment\/heating-and-cooling-integrated-machine\/\">heating-cooling integrated unit<\/a> range at room temperature, 0 \u00b0C and the lowest point, taken from the UnionClay technical documentation for each model.<\/p>\n<h2>Step 1: Look Up the Jacket Volume<\/h2>\n<p>The jacket is the annular space between the inner and outer glass walls; its volume is the thermal mass your chiller must cool first. Figures from the UnionClay parameter sheets:<\/p>\n<table>\n<thead>\n<tr>\n<th>Reactor size<\/th>\n<th>Approximate jacket volume<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20 L<\/td>\n<td>approx. 6 L<\/td>\n<\/tr>\n<tr>\n<td>30 L<\/td>\n<td>approx. 9 L<\/td>\n<\/tr>\n<tr>\n<td>50 L<\/td>\n<td>approx. 15 L<\/td>\n<\/tr>\n<tr>\n<td>100 L<\/td>\n<td>approx. 30 L<\/td>\n<\/tr>\n<tr>\n<td>150 L<\/td>\n<td>approx. 45 L<\/td>\n<\/tr>\n<tr>\n<td>200 L<\/td>\n<td>approx. 60 L<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Step 2: Match the Outer-Circulation Port<\/h2>\n<ul>\n<li>DN15 port on models of 30 L and below.<\/li>\n<li>DN20 port on models of 50 L and above.<\/li>\n<\/ul>\n<p>Confirm the port size before ordering hoses and fittings so the chiller loop connects without adapters.<\/p>\n<h2>Step 3: Compare Cooling Capacity at Your Working Temperature<\/h2>\n<p>Capacity is not one number: every model below lists the source-provided cooling capacity at room temperature, at 0 \u00b0C and at its lowest point. Compare the figure at your working temperature against your process heat load. A dash (\u2014) marks lowest-point figures under internal confirmation; ask us for the current value.<\/p>\n<h3>DLSB sealed recirculating chillers, \u221230 \u00b0C series<\/h3>\n<table>\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Cooling capacity at room temperature (kW)<\/th>\n<th>At 0 \u00b0C (kW)<\/th>\n<th>At \u221230 \u00b0C (kW)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr data-slug=\"dlsb-5-30-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-5-30-sealed-recirculating-chiller\/\">DLSB-5\/30<\/a><\/td>\n<td>0.875<\/td>\n<td>0.65<\/td>\n<td>0.275<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-10-30-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-10-30-sealed-recirculating-chiller\/\">DLSB-10\/30<\/a><\/td>\n<td>2.01<\/td>\n<td>1.65<\/td>\n<td>0.65<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-20-30-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-20-30-sealed-recirculating-chiller\/\">DLSB-20\/30<\/a><\/td>\n<td>2.8<\/td>\n<td>2.3<\/td>\n<td>0.6<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-30-30-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-30-30-sealed-recirculating-chiller\/\">DLSB-30\/30<\/a><\/td>\n<td>4.6<\/td>\n<td>3.5<\/td>\n<td>0.6<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-50-30-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-50-30-sealed-recirculating-chiller\/\">DLSB-50\/30<\/a><\/td>\n<td>10.5<\/td>\n<td>9.3<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-100-30-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-100-30-sealed-recirculating-chiller\/\">DLSB-100\/30<\/a><\/td>\n<td>15.75<\/td>\n<td>13.25<\/td>\n<td>4.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>DLSB sealed recirculating chillers, \u221240 \u00b0C series<\/h3>\n<table>\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Cooling capacity at room temperature (kW)<\/th>\n<th>At 0 \u00b0C (kW)<\/th>\n<th>At \u221240 \u00b0C (kW)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr data-slug=\"dlsb-5-40-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-5-40-sealed-recirculating-chiller\/\">DLSB-5\/40<\/a><\/td>\n<td>1.9<\/td>\n<td>1<\/td>\n<td>0.17<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-10-40-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-10-40-sealed-recirculating-chiller\/\">DLSB-10\/40<\/a><\/td>\n<td>2.8<\/td>\n<td>2.5<\/td>\n<td>0.55<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-20-40-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-20-40-sealed-recirculating-chiller\/\">DLSB-20\/40<\/a><\/td>\n<td>5.62<\/td>\n<td>4.1<\/td>\n<td>0.9<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-30-40-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-30-40-sealed-recirculating-chiller\/\">DLSB-30\/40<\/a><\/td>\n<td>7.5<\/td>\n<td>6.18<\/td>\n<td>0.9<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-50-40-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-50-40-sealed-recirculating-chiller\/\">DLSB-50\/40<\/a><\/td>\n<td>12.7<\/td>\n<td>10.5<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-100-40-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-100-40-sealed-recirculating-chiller\/\">DLSB-100\/40<\/a><\/td>\n<td>18<\/td>\n<td>12.45<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>DLSB non-sealed recirculating chillers, \u221230 \u00b0C series<\/h3>\n<table>\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Cooling capacity at room temperature (kW)<\/th>\n<th>At 0 \u00b0C (kW)<\/th>\n<th>At \u221230 \u00b0C (kW)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr data-slug=\"dlsb-5-30-non-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-5-30-non-sealed-recirculating-chiller\/\">DLSB-5\/30<\/a><\/td>\n<td>0.875<\/td>\n<td>0.65<\/td>\n<td>0.275<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-10-30-non-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-10-30-non-sealed-recirculating-chiller\/\">DLSB-10\/30<\/a><\/td>\n<td>2.01<\/td>\n<td>1.65<\/td>\n<td>0.65<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-20-30-non-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-20-30-non-sealed-recirculating-chiller\/\">DLSB-20\/30<\/a><\/td>\n<td>2.8<\/td>\n<td>2.3<\/td>\n<td>0.6<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-30-30-non-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-30-30-non-sealed-recirculating-chiller\/\">DLSB-30\/30<\/a><\/td>\n<td>4.6<\/td>\n<td>3.5<\/td>\n<td>0.6<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-50-30-non-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-50-30-non-sealed-recirculating-chiller\/\">DLSB-50\/30<\/a><\/td>\n<td>10.5<\/td>\n<td>9.3<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-100-30-non-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-100-30-non-sealed-recirculating-chiller\/\">DLSB-100\/30<\/a><\/td>\n<td>15.75<\/td>\n<td>13.25<\/td>\n<td>4.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>DLSB non-sealed recirculating chillers, \u221240 \u00b0C series<\/h3>\n<table>\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Cooling capacity at room temperature (kW)<\/th>\n<th>At 0 \u00b0C (kW)<\/th>\n<th>At \u221240 \u00b0C (kW)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr data-slug=\"dlsb-5-40-non-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-5-40-non-sealed-recirculating-chiller\/\">DLSB-5\/40<\/a><\/td>\n<td>1.9<\/td>\n<td>1<\/td>\n<td>0.17<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-10-40-non-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-10-40-non-sealed-recirculating-chiller\/\">DLSB-10\/40<\/a><\/td>\n<td>2.8<\/td>\n<td>2.5<\/td>\n<td>0.55<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-20-40-non-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-20-40-non-sealed-recirculating-chiller\/\">DLSB-20\/40<\/a><\/td>\n<td>5.62<\/td>\n<td>4.1<\/td>\n<td>0.9<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-30-40-non-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-30-40-non-sealed-recirculating-chiller\/\">DLSB-30\/40<\/a><\/td>\n<td>7.5<\/td>\n<td>6.18<\/td>\n<td>0.9<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-50-40-non-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-50-40-non-sealed-recirculating-chiller\/\">DLSB-50\/40<\/a><\/td>\n<td>12.7<\/td>\n<td>10.5<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr data-slug=\"dlsb-100-40-non-sealed-recirculating-chiller\">\n<td><a href=\"\/de\/produkt\/dlsb-100-40-non-sealed-recirculating-chiller\/\">DLSB-100\/40<\/a><\/td>\n<td>15.7<\/td>\n<td>11<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>GDX\/DFY heating-cooling integrated units, \u221230 \u00b0C series<\/h3>\n<table>\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Cooling capacity at room temperature (kW)<\/th>\n<th>At 0 \u00b0C (kW)<\/th>\n<th>At \u221230 \u00b0C (kW)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr data-slug=\"dfy-20-30-heating-and-cooling-integrated-machine\">\n<td><a href=\"\/de\/produkt\/dfy-20-30-heating-and-cooling-integrated-machine\/\">DFY-20\/30<\/a><\/td>\n<td>2.8<\/td>\n<td>2.45<\/td>\n<td>0.6<\/td>\n<\/tr>\n<tr data-slug=\"gdx-20-30-heating-and-cooling-integrated-machine\">\n<td><a href=\"\/de\/produkt\/gdx-20-30-heating-and-cooling-integrated-machine\/\">GDX-20\/30<\/a><\/td>\n<td>2.8<\/td>\n<td>1.9<\/td>\n<td>0.6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>GDX\/DFY heating-cooling integrated units, \u221240 \u00b0C series<\/h3>\n<table>\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Cooling capacity at room temperature (kW)<\/th>\n<th>At 0 \u00b0C (kW)<\/th>\n<th>At \u221240 \u00b0C (kW)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr data-slug=\"dfy-20-40-heating-and-cooling-integrated-machine\">\n<td><a href=\"\/de\/produkt\/dfy-20-40-heating-and-cooling-integrated-machine\/\">DFY-20\/40<\/a><\/td>\n<td>5.6<\/td>\n<td>\u2014<\/td>\n<td>0.8<\/td>\n<\/tr>\n<tr data-slug=\"gdx-20-40-heating-and-cooling-integrated-machine\">\n<td><a href=\"\/de\/produkt\/gdx-20-40-heating-and-cooling-integrated-machine\/\">GDX-20\/40<\/a><\/td>\n<td>5.625<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr data-slug=\"dfy-50-40-heating-and-cooling-integrated-machine\">\n<td><a href=\"\/de\/produkt\/dfy-50-40-heating-and-cooling-integrated-machine\/\">DFY-50\/40<\/a><\/td>\n<td>12.7<\/td>\n<td>10.5<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr data-slug=\"gdx-50-40-heating-and-cooling-integrated-machine\">\n<td><a href=\"\/de\/produkt\/gdx-50-40-heating-and-cooling-integrated-machine\/\">GDX-50\/40<\/a><\/td>\n<td>12.775<\/td>\n<td>10.5<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr data-slug=\"gdx-100-40-heating-and-cooling-integrated-machine\">\n<td><a href=\"\/de\/produkt\/gdx-100-40-heating-and-cooling-integrated-machine\/\">GDX-100\/40<\/a><\/td>\n<td>15.75<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Selection Checklist<\/h2>\n<ul>\n<li>Reactor size \u2192 jacket volume (Step 1).<\/li>\n<li>Working temperature \u2192 the capacity column to read (Step 3).<\/li>\n<li>Process heat load \u2192 must stay below the capacity figure at the working temperature.<\/li>\n<li>Outer-circulation port \u2192 DN15 or DN20 (Step 2).<\/li>\n<li>Mains supply and installation space \u2192 listed on each product page.<\/li>\n<\/ul>\n<h2>Pairing Questions<\/h2>\n<h3>What size chiller do I need for a 50 L jacketed reactor?<\/h3>\n<p>A 50 L reactor has a jacket volume of approx. 15 L and a DN20 port. At 0 \u00b0C the DLSB-50\/30 sealed chiller is listed at 9.3 kW and the DLSB-50\/40 sealed model at 10.5 kW; compare those figures with your process heat load at the working temperature.<\/p>\n<h3>Why is the lowest-temperature cell missing for some models?<\/h3>\n<p>Some \u221240 \u00b0C lowest-point figures are under internal confirmation because source documents disagree; those cells are marked \u2014 rather than publishing an unconfirmed value. Ask us through the <a href=\"\/de\/contact-us\/\">contact page<\/a> for the current figure.<\/p>\n<h3>Do I have to match the DN port exactly?<\/h3>\n<p>The port size (DN15 up to 30 L, DN20 from 50 L) is fixed by the reactor model; confirm it before ordering hoses and fittings.<\/p>\n<p>Need help pairing a unit with your reactor? <a href=\"\/de\/contact-us\/\">Contact UnionClay<\/a> with the reactor size, working temperature and process load.<\/p>",
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        "rendered": "<p>Match a chiller or heating-cooling unit to a jacketed glass reactor by jacket volume, outer-circulation port and measured cooling capacity at room temperature, 0 \u00b0C and the lowest point.<\/p>",
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