- Model NO.: DLA-S2-300A
- Cooling Method: Air-cooled
- Selected Voltage: 380V/50HZ
- Noise Level: Low
- Application Machine: Precision Machine Tool
- Condition: New
- Weight(Kg): 3450
- Transport Package: Plastic Film
- Origin: Shanghai, China
- Type: Air-Cooled
- Unit Structure: Integral
- Compressor Number: 1
- Application Fields: Food Processing
- Certification: ISO, CE
- Size(mm): 2600*2160*2500
- Trademark: DARREN
- Specification: SGS, CE, ISO9001
- HS Code: 8418692090
1. Our factory in Shanghai-15000 square meters
2. Festures for air cooled screw chiller
1) Cooling capacity: 180kw~1520kw
2) Cooling conditions: Chilled water inlet temperature is 12 degrees, outlet temperature is 7 degrees Ambient temperature is 35 degrees
3) Input power: 3P-380V-50Hz, Allowable fluctuate voltage: ± 10%, allowable voltage difference in phase: ± 2%.
4) Measuring noise spot: 2m ahead and 1.5m high in front of chiller with average measurement on four dimensions.
5) Semi-closed 5: 6 asymmetric twin-screw compressor from world-renowned brand, trouble-free operation over 100000hours.
6) Eight stages volume control or 0%-100% automatic regulation.
7) Fluoride-resistant high-performance motor from French.
8) Use PLC microcomputer control from Germany Siemens LCD touch screen, both English and Chinese human-machine interface.
9) Wide range of variable chilled water temperature to meet the industrial requirements throughout whole year.
10) Friendly choose to use environmentally R407C or R134A refrigerant.
11) Free step-down triangle stars starter
12. Dual refrigeration circuits to each other back-up
3. Pictures reference for air cooled screw chiller
4. DARREN Team
  Item                                          Type | DLA- | |||||||||||||||||
1802 | 2202 | 2602 | 2902 | 3202 | 3602 | 4002 | 4552 | 5102 | 5652 | 6202 | 6602 | 7002 | 7602 | 8202 | 8402 | |||
Nominal cooling capacity | KW | 180 | 220 | 260 | 290 | 320 | 360 | 400 | 455 | 510 | 565 | 620 | 660 | 700 | 760 | 820 | 840 | |
104Kcal/h | 15.5Â | 18.9Â | 22.4Â | 24.9Â | 27.5Â | 31.0Â | 34.4Â | 39.1Â | 43.8Â | 48.6Â | 53.3Â | 56.7Â | 60.2Â | 65.3Â | 70.5Â | 72.2Â | ||
RT | 51Â | 63Â | 74Â | 82Â | 91Â | 102Â | 114Â | 129Â | 145Â | 161Â | 176Â | 188Â | 199Â | 216Â | 233Â | 239Â | ||
Nominal heating capacity | KW | 200 | 245 | 290 | 325 | 360 | 405 | 450 | 510 | 570 | 635 | 700 | 745 | 790 | 855 | 920 | 944 | |
104Kcal/h | 17.2Â | 21.1Â | 24.9Â | 27.9Â | 31.0Â | 34.8Â | 38.7Â | 43.8Â | 49.0Â | 54.6Â | 60.2Â | 64.1Â | 67.9Â | 73.5Â | 79.1Â | 81.2Â | ||
RT | 57Â | 70Â | 82Â | 92Â | 102Â | 115Â | 128Â | 145Â | 162Â | 181Â | 199Â | 212Â | 225Â | 243Â | 262Â | 268Â | ||
 Run control | Use PLC microcomputer control | |||||||||||||||||
Power Supply | 380V/3N/50Hz | |||||||||||||||||
Machine power | kW | 65.3 | 73.4 | 89.5 | 94.5 | 105.7 | 114.7 | 126.7 | 139.7 | 152.5 | 172.6 | 192.5 | 205.9 | 219.2 | 238.5 | 257.8 | 262.5 | |
Machine operating current | A | 114.3 | 128.5 | 156.6 | 165.4 | 185 | 200.8 | 221.7 | 244.5 | 266.9 | 302 | 336.9 | 360.3 | 383.6 | 417.4 | 451.2 | 459.6 | |
Compressor |
Type | Semi-closed 5:6 asymmetric twin-screw compressor | ||||||||||||||||
Startup type | YStart | |||||||||||||||||
Energy regulation | 0-12.5%-25%-37.5%-50%-62.5%-75%-87.5%-100% or automatic regulation | |||||||||||||||||
Refrigeration power | kW | 55 | 67.1 | 79.2 | 87.3 | 95.4 | 105.9 | 116.4 | 129.3 | 142.2 | 162.2 | 182.2 | 190.4 | 198.6 | 217.9 | 237.2 | 241.9 | |
Refrigeration current | A | 96.3 | 117.4 | 138.6 | 185.4 | 167 | 226.3 | 203.7 | 283.8 | 248.9 | 333.2 | 318.9 | 381.4 | 347.6 | 423.6 | 415.1 | 461 | |
Heating power | kW | 53.6 | 65.4 | 77.2 | 85.1 | 93 | 103.2 | 113.4 | 126 | 138.6 | 158.1 | 177.6 | 185.6 | 193.6 | 212.4 | 231.2 | 235.8 | |
Heating current | A | 93.8 | 114.5 | 135.1 | 149 | 162.8 | 180.6 | 198.5 | 220.5 | 242.6 | 276.7 | 310.8 | 324.8 | 338.8 | 371.7 | 404.6 | 412.3 | |
Evaporator | Type | Pipe dry high efficiency heat exchanger | ||||||||||||||||
Flow | m3/h | 30.9Â | 37.7Â | 44.6Â | 49.7Â | 54.9Â | 61.7Â | 68.6Â | 78.0Â | 87.4Â | 96.9Â | 106.3Â | 113.1Â | 120.0Â | 130.3Â | 140.6Â | 144.0Â | |
Interface size | DN | 80 | 80 | 100 | 100 | 100 | 100 | 125 | 125 | 125 | 150 | 150 | 150 | 150 | 150 | 200 | 200 | |
Water pressure drop | kPa | 46 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 52 | 52 | 52 | 54 | 54 | 56 | 57 | 57 | |
Condenser | Type |  Imported efficiency copper pipe and aluminum foil wing heat exchanger | ||||||||||||||||
Air flow | m3/h | 69940 | 85446 | 100952 | 112292 | 123631 | 138661 | 153690 | 173899 | 194107 | 216429 | 238750 | 253095 | 267440 | 291042 | 314643 | 321994 | |
Condenser fan | Quantity | SET | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 8 | 8 | 12 | 12 | 12 | 12 | 12 | 12 |
Stand-alone power | kW | 0.85 | 0.85 | 1.32 | 1.32 | 1.6 | 1.6 | 2.2 | 2.2 | 2.2 | 2.2 | 1.32 | 1.32 | 1.6 | 1.6 | 1.6 | 2.2 | |
Refrigerant |
Type | R22 | ||||||||||||||||
Refrigerant volume | kg | 46 | 67 | 67 | 74 | 82 | 95 | 102 | 115 | 131 | 146 | 159 | 165 | 179 | 194 | 210 | 215 | |
Overall size | Length | mm | 3200 | 3200 | 3200 | 3400 | 3400 | 4000 | 4000 | 4400 | 4400 | 6400 | 6400 | 6400 | 6400 | 6700 | 6700 | 7100 |
Width | mm | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | |
Height | mm | 2300 | 2300 | 2300 | 2300 | 2300 | 2300 | 2300 | 2300 | 2300 | 2300 | 2560 | 2560 | 2560 | 2560 | 2560 | 2560 | |
Noise | dB(A) | 64 | 64 | 64 | 64 | 64 | 64 | 67 | 67 | 68 | 68 | 68 | 68 | 68 | 68 | 69 | 69 | |
Machine weight | kg | 3200 | 3330 | 3330 | 3750 | 3850 | 4200 | 4400 | 4600 | 4800 | 4950 | 5200 | 5450 | 5750 | 5840 | 5900 | 6150 | |
Operating weight | kg | 3500 | 3700 | 3700 | 4100 | 4200 | 4500 | 4800 | 4900 | 5300 | 5500 | 5700 | 5950 | 6300 | 6400 | 6500 | 6850 |
Highway Guardrail Rolling Machines make guardrails for crash barrier, also called "Crash Barrier Rolling Machine". The Guardrail Machines include two wave W Roll Forming Machine and Three Wave Guardrail Roll Forming Machine.
Generally profiles of guardrails are the same in shape and installation, but different countries have different standards in details:
JTT281-2007 National standard
AASHTO M180--American standard
RAL RG620--Germany standard
BS EN-1317-- European standard
AS/NZS 3845:1999--Australian standard
EN 1461:2009 STANDARD for Turkey
We design and make rolling machine as per client guardrail drawing, the roll forming machine test will be done before delivery. We believe our guardrail machine can satisfy you!
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