Water-cooled screw chiller unit
| Product Details
Screw-type water-cooled industrial chillers utilize twin-screw compressors and are equipped with high-efficiency condensers and evaporators manufactured in-house, along with branded expansion valves. These units are suitable for a wide range of industrial applications, including chemical processing, pharmaceutical manufacturing, industrial equipment, and food processing. Cooling capacities range from 120 kW to 6,351 kW, with chilled water outlet temperatures between 5°C and 20°C.
Cooling water temperature range: 15°C to 40°C. In addition to standard configurations, we can manufacture units with power supplies tailored to the electrical standards of different countries and regions. We also offer custom‑made screw‑type, water‑cooled industrial all‑in‑one units, as well as various high‑pressure, non‑standard models designed for corrosive or saline water applications. These units are suitable for high‑temperature cooling applications, with a design outlet water temperature of 10°C to 20°C.
| Compressor | Semi-hermetic twin-screw compressor |
| Evaporator | High-efficiency evaporator |
| Condenser | High-efficiency condenser |
| Controller | Microcomputer controller |
| Throttling device | Thermal/Electronic Expansion Valve |
| Startup method | Star-Delta |
| Power supply standard | 380V-50HZ-3N |
| Insulation material | Anti-corrosion, waterproofing, and mesh insulation layer |
| Packaging | High-strength plastic sheeting |
| Paint | High-gloss matte paint |
| Water outlet connection method | Flange |
Technical Parameters of Water-Cooled Industrial Screw Chiller Units
Refrigerant: R22 Power supply: 3–380 V, 50 Hz (Refrigerants available include R22, R134a, R410a, etc.)
| Model number | Nominal Cooling Capacity (kW) | Nominal Cooling Capacity (USRT) | Input Power (kW) | Refrigerant Charge (kg) | Condenser – Condenser Inlet and Outlet Pipe Diameter (in) | Condenser – Cooling Water Flow Rate (m³/h) | Condenser – Maximum Pressure on the Water Side (MPa) | Condenser – Condenser Water Pressure Drop (kPa) | Evaporator – Evaporator Inlet and Outlet Pipe Diameter (in) | Evaporator – Chilled Water Flow Rate (m³/h) | Evaporator – Maximum Water-Side Pressure (MPa) | Evaporator – Evaporator Pressure Drop (kPa) | Operating noise (dB(A)) | Overall machine weight (kg) | Operating weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TWS-120-1P | 112 | 32 | 23 | 17 | 2" | 23 | 1 | 41 | 2" | 19 | 1 | 22 | 73 | 880 | 970 |
| TWS-160-1P | 155 | 44 | 31 | 24 | 2-1/2" | 32 | 1 | 43 | 2-1/2" | 27 | 1 | 24 | 73 | 910 | 1010 |
| TWS-220-1P | 204 | 58 | 39 | 30 | 3" | 42 | 1 | 45 | 3" | 35 | 1 | 26 | 73 | 1080 | 1220 |
| TWS-290-1P | 272 | 77 | 51 | 40 | 3" | 55 | 1 | 47 | 3" | 47 | 1 | 28 | 73 | 1220 | 1380 |
| TWS-310-1P | 293 | 83 | 56 | 44 | 3" | 60 | 1 | 47 | 3" | 50 | 1 | 29 | 74 | 1390 | 1530 |
| TWS-370-1P | 345 | 98 | 63 | 52 | 3" | 70 | 1 | 49 | 3" | 59 | 1 | 33 | 74 | 1510 | 1670 |
| TWS-430-1P | 406 | 115 | 73 | 59 | 4" | 82 | 1 | 51 | 4" | 70 | 1 | 35 | 75 | 1620 | 1780 |
| TWS-460-1P | 437 | 124 | 79 | 65 | 4" | 89 | 1 | 52 | 4" | 75 | 1 | 38 | 75 | 1730 | 1870 |
| TWS-510-1P | 475 | 135 | 87 | 71 | 4" | 97 | 1 | 54 | 4" | 82 | 1 | 41 | 75 | 1830 | 2020 |
| TWS-610-1P | 577 | 164 | 105 | 86 | 5" | 117 | 1 | 55 | 4" | 99 | 1 | 43 | 75 | 2140 | 2400 |
| TWS-700-1P | 667 | 190 | 121 | 97 | 5" | 135 | 1 | 58 | 5" | 115 | 1 | 47 | 75 | 2270 | 2520 |
| TWS-760-1P | 722 | 205 | 129 | 105 | 5" | 146 | 1 | 60 | 5" | 124 | 1 | 50 | 75 | 2460 | 2720 |
| TWS-790-1P | 750 | 213 | 135 | 109 | 5" | 152 | 1 | 60 | 5" | 129 | 1 | 53 | 75 | 2540 | 2920 |
| TWS-920-1P | 873 | 248 | 154 | 127 | 5" | 177 | 1 | 65 | 5" | 150 | 1 | 57 | 75 | 2680 | 3060 |
| TWS-1010-1P | 940 | 267 | 166 | 141 | 5" | 190 | 1 | 65 | 5" | 162 | 1 | 59 | 75 | 2900 | 3380 |
| TWS-1080-1P | 1023 | 291 | 181 | 150 | 5" | 207 | 1 | 68 | 5" | 176 | 1 | 61 | 75 | 3060 | 3600 |
| TWS-1210-1P | 1154 | 328 | 205 | 168 | 6" | 234 | 1 | 70 | 5" | 199 | 1 | 64 | 75 | 3310 | 3830 |
| TWS-1490-1P | 1302 | 370 | 230 | 207 | 6" | 263 | 1 | 74 | 8" | 224 | 1 | 68 | 76 | 3740 | 4260 |
| TWS-1750-1P | 1667 | 474 | 285 | 207 | 8" | 336 | 1 | 77 | 8" | 287 | 1 | 71 | 76 | 3980 | 4520 |
| TWS-2000-1P | 1934 | 550 | 329 | 277 | 8" | 389 | 1 | 80 | 8" | 333 | 1 | 75 | 76 | 4300 | 4840 |
| TWS-240-2P | 225 | 64 | 47 | 34 | 3" | 47 | 1 | 45 | 3" | 39 | 1 | 25 | 75 | 1410 | 1790 |
| TWS-320-2P | 310 | 88 | 61 | 48 | 3" | 64 | 1 | 46 | 3" | 53 | 1 | 28 | 75 | 1630 | 2210 |
| TWS-440-2P | 407 | 116 | 77 | 61 | 4" | 83 | 1 | 46 | 4" | 70 | 1 | 30 | 75 | 1940 | 2590 |
| TWS-580-2P | 543 | 155 | 102 | 80 | 4" | 111 | 1 | 49 | 5" | 93 | 1 | 33 | 75 | 2260 | 2970 |
| TWS-620-2P | 585 | 166 | 111 | 88 | 5" | 120 | 1 | 50 | 5" | 101 | 1 | 35 | 75 | 2540 | 3330 |
| TWS-740-2P | 690 | 196 | 126 | 105 | 5" | 140 | 1 | 51 | 5" | 119 | 1 | 37 | 75 | 2750 | 3650 |
| TWS-860-2P | 811 | 231 | 146 | 118 | 5" | 165 | 1 | 53 | 5" | 140 | 1 | 39 | 76 | 2930 | 3920 |
| TWS-1020-2P | 950 | 270 | 175 | 143 | 5" | 193 | 1 | 58 | 6" | 163 | 1 | 43 | 76 | 3200 | 4200 |
| TWS-1220-2P | 1154 | 328 | 209 | 171 | 4"*2 | 234 | 1 | 58 | 6" | 198 | 1 | 45 | 76 | 3470 | 4550 |
| TWS-1280-2P | 1206 | 343 | 214 | 179 | 4"*2 | 244 | 1 | 60 | 6" | 207 | 1 | 47 | 76 | 3740 | 4830 |
| TWS-1400-2P | 1334 | 379 | 241 | 194 | 5"*2 | 271 | 1 | 61 | 6" | 229 | 1 | 51 | 76 | 3950 | 5140 |
| TWS-1520-2P | 1444 | 411 | 258 | 209 | 5"*2 | 293 | 1 | 63 | 8" | 248 | 1 | 53 | 76 | 4320 | 5540 |
| TWS-1580-2P | 1500 | 426 | 270 | 218 | 5"*2 | 304 | 1 | 64 | 8" | 258 | 1 | 56 | 76 | 4810 | 5750 |
| TWS-1840-2P | 1747 | 497 | 307 | 255 | 5"*2 | 353 | 1 | 67 | 8" | 300 | 1 | 60 | 76 | 5270 | 5970 |
| TWS-2020-2P | 1880 | 535 | 332 | 281 | 5"*2 | 380 | 1 | 67 | 8" | 323 | 1 | 63 | 76 | 5680 | 6190 |
| TWS-2160-2P | 2046 | 582 | 362 | 300 | 5"*2 | 414 | 1 | 71 | 8" | 352 | 1 | 65 | 76 | 5890 | 6500 |
| TWS-2420-2P | 2309 | 656 | 409 | 336 | 6"*2 | 467 | 1 | 73 | 8" | 397 | 1 | 67 | 76 | 6110 | 6810 |
| TWS-2980-2P | 2603 | 740 | 459 | 414 | 6"*2 | 527 | 1 | 78 | 8" | 448 | 1 | 71 | 76 | 7380 | 8420 |
| TWS-3500-2P | 3334 | 948 | 570 | 486 | 8"*2 | 671 | 1 | 82 | 10" | 573 | 1 | 75 | 77 | 8010 | 9180 |
| TWS-4000-2P | 3867 | 1100 | 659 | 555 | 8"*2 | 778 | 1 | 85 | 10" | 665 | 1 | 77 | 77 | 8550 | 9720 |
| TWS-6000-3P | 5801 | 1649 | 988 | 830 | 8"*3 | 1167 | 1 | 87 | 12" | 998 | 1 | 80 | 78 | 11100 | 11300 |
Note: 1. Nominal operating conditions: evaporator inlet/outlet water temperatures of 17°C/12°C, condenser inlet/outlet water temperatures of 30°C/35°C; fouling factor of 0.088 m²·°C/kW.
2. Chilled water temperature range: 5°C to 20°C;
3. Cooling water temperature range: 15°C to 40°C;
4. Specifications, parameters, and external dimensions may be subject to change due to product improvements; no further notice will be provided.
Keywords:
Heat exchanger
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