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Air cooled screw chiller

Air-cooledscrewchiller:Air-cooledscrewchillers(single/dualseries)adoptinternationallyrenownedbrands(Hanbell.,Bitzer,Germany)screwcompressors,high-efficiencyfinnedcondensers,dryshellandtubeevaporators,and(Danfoss,ALCO,Americanmensonandotherinternationallyrenownedbrandparts;equippedwithGermanSiemensPLCcontrolsystem+LCDtouchscreendisplay,whichmakestheunitcompactandsmallinsize,lowinnoise,stableinperformance,safe,energyefficient,easytooperate,etc.Anumberofsystemsafetydevices,whichcanprovidechilledwaterat4°Cto10°C,canachievetherequirementsofprocesscoolingcontinuityfor24hours. Air-cooledscrewchillerfeatures:1.Air-cooledscrewmachinecoolingcapacityrange:102500Kcal/hto654800Kcal/hoptional2.Inadditiontothegeneralcharacteristicsofthewater-cooledscrewunitseries,theair-cooledchillerhasthegreatestadvantageofnotrequiringawatercoolingsystem,aslongasitiswellventilatedandcanbeused.3,air-cooledchillersdonotneedtobeequippedwithcoolingwaterpumps,coolingtowersandotherancillaryequipment,cansavealotofmaterialandengineeringinstallationcosts,andevendonotneedtosetupthemachineroom. Compressorfeatures:1.Internationallyrenownedbrandasymmetrictoothedhigh-efficiencycompressors,whichare25%-35%higherthanordinarycompressors,andUSandEuropeanpatentedtechnologies.2.themostadvancedtypeofhighefficiency5:6thirdgenerationasymmetrictoothedscrew3.semi-closeddesign,onlythreemovingparts,withfewerparts,lowfailurerate4.Itcanrealizethree-stage(100%-75%-50%-25%)three-stage(100%-66%-33%)orsteplessenergyadjustment.Thecontrolisflexibleandconvenient,energy-savingandefficient,easytomaintain.5.usingtheworld-famousSKFandFAGzero-gapmultiplethrustandradialbearings,precisionstructure,highreliability6.three-stageoilseparationfilter,goodoilfilteringeffect,effectivelyensurethenormaloperationofthecompressorandtheefficientheatexchangeoftheheatexchanger7.Itadoptspumplessbuilt-indifferentialpressureoilsupplylubricationsystem,whichisenergy-saving,efficientandreliable.8.specialfluorine-resistantlowironlossmotordesign,equippedwithreliablemotoroverheatprotectiondevice,effectivelyensuretheefficientandreliableoperationofthemotor9.Equippedwithliquidrefrigerantinjectionsystemunderlowtemperatureandheatpumpconditions,effectivelyreducingtheworkingloadandexhausttemperatureofkeycomponentsandimprovingthereliabilityofcompressoroperation.10.Patentedexhaustchamberdesignandcontinuousrotorgastransmissiontoensurelowvibrationandlownoiseofthecompressor11.Installanexhaustcheckvalveattheexhaustporttopreventtherotorfromreversingduringshutdown.12.avarietyofrefrigerantselectionInadditiontoR22refrigerant,youcanalsochooseR134A.R404A.R407Candotherenvironmentallyfriendlyrefrigerant.13.EasytoinstallanduseTheunithascompletedtheweldingoftherefrigerantpipelineinthefactory,theairtightnessleaktest,thenitrogenfillingpressuretest,thevacuumtest,thefluorinefillingfullloadperformancetest,andthequalifiedproductsmeetingtheindustrystandardrequirements.  ProjectunitmodelRXG90AFRXG120AFRXG160AFRXG170AFRXG210AFRXG225AFRXG265AFRXG280AFRXG310AFRXG330AFRXG360BFRXG420BFRXG450BFRXG490BFRXG530BFRXG550BFCoolingcapacity7℃kW76.5120.0155.0168.0210.0225.0265.0280.0310.0330.0360.0420.0450.0490.0530.0550.0-5℃46.773.294.6102.5128.1137.3161.7170.8189.1201.3219.6256.2274.5298.9323.3335.5-10℃28.043.956.761.576.982.497.0102.5113.5120.8131.8153.7164.7179.3194.0201.3powersupply 3P380V50Hz formkw先进半封闭双螺杆式OperatingpowerkW27.538.14853.166.871.279.585.192.2100.6112.5130.6140.4153167172Therefrigerant R22Energycontrol%0~25%~50%~75%~100%EvaporatorType HorizontalshellandtubetypehighefficiencyheatexchangerCoolantflowm3/h15.520.726.728.436.138.745.648.252.556.862.273.077.585.091.595.0WaterpipeinterfacemmDN65DN65DN80DN80DN100DN100DN100DN100DN100DN125DN125DN125DN125DN125DN150DN150CondenserType 亲水铝箔套高效内螺纹铜管翅片式Airvolumem3/h34500465005900063000800008650010080010650116000125500136800159600171000186600201500212000RefrigerantcontrolExpansionvalve Temperature-sensitiveexternalpressureequalizingthermalexpansionvalveSafetydevice  Highandlowvoltageprotection,antifreeze,heatprotection,doubleprotection,safetyvalve,overloadprotection,phaseloss,reversephase,undervoltage,overvoltage,waterflowprotection,etc.Dimensions(L)mm2450275029503200320032003200320036003850440046005600585059005900(W)mm1350140014001500180018001800180020002000220022002200220022002200(H)mm2020202022002200230023002300230023502350240024002400240025502550weightNetWeightkg1850200022002200260027502880296031003300355038504400460051005650Runningweightkg2128220024202420286030253168325634103630390542354840506056106215 PS:1.Thecoolingcapacityismeasuredunderthefollowingtemperatureconditions:thechilledwaterinlet/outlettemperatureis12°C/7°C.0°C/-5°C.-5°C/-10°C.2.thescopeofwork:outdoordrybulbtemperatureis33°C,wetbulbtemperatureis28°C.3.thisseriesofunitscanbewithheatrecovery:hotwatertemperature35°C~50°C4.Theabovespecificationsaresubjecttochangewithoutpriornotice.Thiswillhelpourcompanytobringthelatestscientificandtechnologicalachievementstocustomersatanytime.
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Product description
Parameters
Air-cooled screw chiller:
Air-cooled screw chillers (single/dual series) adopt internationally renowned brands (Hanbell., Bitzer, Germany) screw compressors, high-efficiency finned condensers, dry shell and tube evaporators, and (Danfoss, ALCO, American menson and other internationally renowned brand parts; equipped with German Siemens PLC control system + LCD touch screen display, which makes the unit compact and small in size, low in noise, stable in performance, safe, energy efficient, easy to operate, etc. A number of system safety devices, which can provide chilled water at 4 ° C to 10 ° C, can achieve the requirements of process cooling continuity for 24 hours.
 
Air-cooled screw chiller features:
1. Air-cooled screw machine cooling capacity range: 102500Kcal/h to 654800Kcal/h optional
2. In addition to the general characteristics of the water-cooled screw unit series, the air-cooled chiller has the greatest advantage of not requiring a water cooling system, as long as it is well ventilated and can be used.
3, air-cooled chillers do not need to be equipped with cooling water pumps, cooling towers and other ancillary equipment, can save a lot of material and engineering installation costs, and even do not need to set up the machine room.
 
Compressor features:
1. Internationally renowned brand asymmetric toothed high-efficiency compressors, which are 25%-35% higher than ordinary compressors, and US and European patented technologies.
2. the most advanced type of high efficiency 5:6 third generation asymmetric toothed screw
3. semi-closed design, only three moving parts, with fewer parts, low failure rate
4. It can realize three-stage (100%-75%-50%-25%) three-stage (100%-66%-33%) or stepless energy adjustment. The control is flexible and convenient, energy-saving and efficient, easy to maintain.
5. using the world-famous SKF and FAG zero-gap multiple thrust and radial bearings, precision structure, high reliability
6. three-stage oil separation filter, good oil filtering effect, effectively ensure the normal operation of the compressor and the efficient heat exchange of the heat exchanger
7. It adopts pumpless built-in differential pressure oil supply lubrication system, which is energy-saving, efficient and reliable.
8. special fluorine-resistant low iron loss motor design, equipped with reliable motor overheat protection device, effectively ensure the efficient and reliable operation of the motor
9. Equipped with liquid refrigerant injection system under low temperature and heat pump conditions, effectively reducing the working load and exhaust temperature of key components and improving the reliability of compressor operation.
10. Patented exhaust chamber design and continuous rotor gas transmission to ensure low vibration and low noise of the compressor
11. Install an exhaust check valve at the exhaust port to prevent the rotor from reversing during shutdown.
12. a variety of refrigerant selection In addition to R22 refrigerant, you can also choose R134A.R404A.R407C and other environmentally friendly refrigerant.
13. Easy to install and use The unit has completed the welding of the refrigerant pipeline in the factory, the air tightness leak test, the nitrogen filling pressure test, the vacuum test, the fluorine filling full load performance test, and the qualified products meeting the industry standard requirements. 
 
Project unit model
RXG90AF
RXG120AF
RXG160AF
RXG170AF
RXG210AF
RXG225AF
RXG265AF
RXG280AF
RXG310AF
RXG330AF
RXG360BF
RXG420BF
RXG450BF
RXG490BF
RXG530BF
RXG550BF
Cooling capacity
7℃
kW
76.5
120.0
155.0
168.0
210.0
225.0
265.0
280.0
310.0
330.0
360.0
420.0
450.0
490.0
530.0
550.0
-5℃
46.7
73.2
94.6
102.5
128.1
137.3
161.7
170.8
189.1
201.3
219.6
256.2
274.5
298.9
323.3
335.5
-10℃
28.0
43.9
56.7
61.5
76.9
82.4
97.0
102.5
113.5
120.8
131.8
153.7
164.7
179.3
194.0
201.3
power supply
 
3P 380V 50Hz
 
form
kw
先进半封闭双螺杆式
Operating power
kW
27.5
38.1
48
53.1
66.8
71.2
79.5
85.1
92.2
100.6
112.5
130.6
140.4
153
167
172
The refrigerant
 
R22
Energy control
%
0~25%~50%~75%~100%
Evaporator Type
 
Horizontal shell and tube type high efficiency heat exchanger
Coolant flow
m3/h
15.5
20.7
26.7
28.4
36.1
38.7
45.6
48.2
52.5
56.8
62.2
73.0
77.5
85.0
91.5
95.0
Water pipe interface
mm
DN65
DN65
DN80
DN80
DN100
DN100
DN100
DN100
DN100
DN125
DN125
DN125
DN125
DN125
DN150
DN150
Condenser Type
 
亲水铝箔套高效内螺纹铜管翅片式
Air volume
m3/h
34500
46500
59000
63000
80000
86500
100800
10650
116000
125500
136800
159600
171000
186600
201500
212000
Refrigerant control Expansion valve
 
Temperature-sensitive external pressure equalizing thermal expansion valve
Safety device
 
 
High and low voltage protection, antifreeze, heat protection, double protection, safety valve, overload protection, phase loss, reverse phase, under voltage, over voltage, water flow protection, etc.
Dimensions
(L)
mm
2450
2750
2950
3200
3200
3200
3200
3200
3600
3850
4400
4600
5600
5850
5900
5900
(W)
mm
1350
1400
1400
1500
1800
1800
1800
1800
2000
2000
2200
2200
2200
2200
2200
2200
(H)
mm
2020
2020
2200
2200
2300
2300
2300
2300
2350
2350
2400
2400
2400
2400
2550
2550
weight Net Weight
kg
1850
2000
2200
2200
2600
2750
2880
2960
3100
3300
3550
3850
4400
4600
5100
5650
Running weight
kg
2128
2200
2420
2420
2860
3025
3168
3256
3410
3630
3905
4235
4840
5060
5610
6215
 
PS:
1. The cooling capacity is measured under the following temperature conditions: the chilled water inlet/outlet temperature is 12 ° C / 7 ° C. 0 ° C / -5 ° C. - 5 ° C / -10 ° C.
2. the scope of work: outdoor dry bulb temperature is 33 ° C, wet bulb temperature is 28 ° C.
3. this series of units can be with heat recovery: hot water temperature 35 ° C ~ 50 ° C
4. The above specifications are subject to change without prior notice. This will help our company to bring the latest scientific and technological achievements to customers at any time.
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