Products
Duraflex Joule Expansion Tanks
10, 16, 25 Bar Rated
The Duraflex Joule series are designed for heating, chilled and condenser closed circuit applications
- Suitable for glycol mixture up to 50%
- Replaceable EPDM Bladder
- Pressure gauge fitted (100L and above)
- Electrostatic powder coat finish
- Factory pre-pressurised gas chamber (nitrogen)
- Max operating temperature -10°C / 70°C
- Wall mount bracket available (8-25L)
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8-35LModel Volume (lt) Ø Dmm H mm c mm Weight kg Pre-Charge P. (bar) 10 Bar DJ008-10 8 220 296 1″ M 2.9 2 DJ012-10 12 220 410 1″ M 3.5 2 DJ019-10 19 280 434 1″ M 4.5 2 DJ024-10 24 280 484 1″ M 4.9 2 DJ035-10 35 354 465 1″ M 6 2 16 Bar DJ019-16 19 280 420 1″ M 7.5 2 DJ024-16 24 280 484 1″ M 7.7 2 25 Bar DJ019-25 19 280 426 1″ M 11 2 DJ024-25 24 280 476 1″ M 13 2 DJ035-25 35 354 451 1″ M 17 2 
50-1000LModel Volume (lt) Ø D mm H mm c mm h mm Weight kg Pre-Charge P. (bar) 10 Bar DJ050-10 50 410 650 1″ M 130 9.2 2 DJ080-10 80 480 791 1″ M 170 15 4 DJ100-10 100 480 899 1″ M 170 17 4 DJ140-10 140 480 1137 1″ M 170 24 4 DJ200-10 200 634 1008 1¼” F 150 36 4 DJ250-10 250 634 1123 1¼” F 150 41 4 DJ300-10 300 634 1296 1¼” F 150 45 4 DJ400-10 400 740 1427 1¼” F 185 65 4 DJ500-10 500 740 1563 1¼” F 185 70 4 DJ750-10 750 848 1736 2″ F 185 122 4 DJ1000-10 1000 848 2187 2″ F 185 156 4 16 Bar DJ050-16 50 410 650 1″ M 125 15 2 DJ080-16 80 480 791 1″ M 160 22 4 DJ100-16 100 480 899 1″ M 160 25 4 DJ140-16 140 480 1137 1″ M 160 31 4 DJ200-16 200 634 1008 1¼” F 145 56 4 DJ300-16 300 634 1296 1¼” F 145 71 4 DJ400-16 400 740 1427 1¼” F 180 154 4 DJ500-16 500 740 1563 1¼” F 180 166 4 DJ750-16 750 800 1981 2″ F 180 223 4 DJ1000-16 1000 800 2500 2″ F 180 285 4 25 Bar DJ050-25 50 410 600 3″ 140 28 4 DJ080-25 80 450 615 3″ 160 39 4 DJ100-25 100 450 949 3″ 160 43 5 DJ140-25 140 500 1104 3″ 160 56 5 DJ200-25 200 600 1015 1¼” F 140 115 5 DJ300-25 300 640 1305 1¼” F 140 127 5 DJ500-25 500 750 1498 1¼” F 185 172 5 DJ750-25 750 750 1945 2″ F 175 300 5 DJ1000-25 1000 800 2498 2″ F 210 330 5 -
Expansion Tank Sizing Calculator
Notes:
- Total System Volume includes water content in all coils, pipes, and equipment.
- If temperatures are not known, allow 30 °C max temperature for chilled water and 15 °C minimum temperature for heating water.
- All the above inputs must be filled accurately for a valid calculation & selection.
- Any application other than HHW, CHW or CCW, please contact Automatic Heating Global for selections.
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