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Venttech Customized Water Chillers for Air Conditioning Industrial¹

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Product Description ChillerFeaturesProducts features1. Twin screw compressor brand is employed, with high efficiency, low noise level, less wearing and long operation time.2. Four stage volume control or 0%-100% automatic regulation.3. Use PLC microcomputer control from Germany SIEMENS. LCD touch screen, both English and Chinese human-machine interface.4. Complete breakdown protection: high and low pressure protection, air discharge protection, oil level protection, water flow protection, reverse and lack phase protection, chilled water anti-freezing protection, cooling water overheat protection.5. Wider range of variable chilled water temperature to meet the low temperature industrial requirements. Product options1. Salt water evaporator2. Stepless energy regulation3. Whole heat recovery/partial heat recovery4. Pump/Cooling tower control5. Special power supply6. Remote communication connector7. Frequency conversion CompressorSelect semi-closed 5:6 asymmetric twin-screw compressor from world-renowned brand. The possibility of shaft seal leakage is zero. Using a rotating exhaust design, the latest development of the fourth generation line, optimize the circumference speed, excellent design of gear so that the unit has higher compression efficiency. Motor chamber compression chamber integrally cast, high precision. Double pressure compensated rotor housing, very strong, no expansion even in the state of high pressure, and it effectively reduces the noise. Heat exchangerThe condenser and evaporator of this series unit adopts shell and tube heat exchanger, using new high efficient heat exchanger structure. Heat exchanger adopts the most advanced and efficient heat exchanger tube bundle with unique geometric characteristics and enhanced tube nucleate boiling required vaporization core, strengthened the flow disturbance inside the pipe, while delaying the scaling on the water side. The inner and outer walls are enhanced for heat transfer to achieve optimal performance. Compared to previous designs, the current unique design improves heat transfer efficiency by 30%. Evaporator evaporation tube with inner grooved on outer concave tooth enhanced heat transfer technology, condenser tube with inner grooved cutter teeth technology, improves the evaporator and condenser heat transfer efficiency and the evaporation temperature, and improve the energy efficiency ratio for the unit. PLCA good Chinese-English interactive interface is to achieve automatic control function before the LCD display real-time statues of the machine work, precise monitoring unit operating at optimum state, the touch panel sealed, waterproof, dustproof, corrosion-resistant, long-key life. Equipped with cooling pumps, cooling water pumps and cooling tower fan interlock control function. Low temperature chillersSW series of low temperature chillers based on well-known brands as the host semi-hermetic screw compressor, built-in suction filter, oil filter, oil separators, safety valve and protection module, with no leakage, low noise, stable operation.Product ParametersProduct specificationRefrigerant: R22/R407C/R134A/R410AEvaporator/condenser max water pressure drop: 1.0MpaEvaporator: fouling factor 0.018m2.oC/KWCondenser: fouling factor 0.044m2.oC/KWPower supply: 380V/3P/50HzAllowable voltage fluctuate: ±5%Allowable frequency fluctuate: ±2%Water cooled screw chiller(single compressor) technical parameter SW-Type100S135S175S190S235S260S300S320S350S380SNominal cooling capacitykw98.0135.0175.6191.1233.3255.6301.1317.8347.8380.0104 kcal/h8.411.615.116.420.122.025.927.329.932.7Operating control methodUse PLC microcomputer controlPower Supply380V/3N/50HZStartup typeY-△CompressorTypeSemi-closed 5:6 asymmetric twin-screw compressorInput power(kw)23.030.039.042.051.056.063.066.073.080.0Rated current(A)39.251.664.771.086.494.1105.9111.4122.7133.8Energy regulation0-33%-66%-100%0-25%-50%-75%-100%EvaporatorTypeHigh efficiency dry type shell and tube heat exchangerFlow(m3/h)16.923.230.232.940.144.051.854.759.865.4Water pressure drop(kPa)45.045.048.048.050.050.050.055.055.055.0Interface sizeDN65DN80DN100DN125CondenserTypeHigh efficiency shell and tube heat exchangerFlow(m3/h)20.828.436.940.148.953.662.666.072.479.1Water pressure drop(kPa)42.042.045.045.048.048.048.052.052.052.0Interface sizeDN65DN80DN100DN125RefrigerantTypeR22Refrigerant volume(kg)20.025.032.035.040.046.053.055.060.065.0Overall dimensionsLength(mm)2310235024202690269026903080308030803080Width(mm)660660660810840890920935935935Height(mm)1520155015901600166016601710171017501750WeightMachine weight(kg)850105011501270134014301640171017801850Operating weight(kG)900115013001420154016701890193019702050 SW-Type415S495S520S570S620S640S740S820S870S980SNominal cooling capacitykw415.0495.0521.1571.1617.8642.2741.8821.1871.7981.8104 kcal/h35.742.644.849.153.155.263.870.674.984.4Operating control methodUse PLC microcomputer controlPower Supply380V/3N/50HZStartup typeY-△CompressorTypeSemi-closed 5:6 asymmetric twin-screw compressorInput power(kw)88.0103.0108.0118.0126.0130.0150.0167.0177.0199.0Rated current(A)148.8172.8182.5197.7212.8219.6253.0280.7298.1335.2Energy regulation0-25%-50%-75%-100%EvaporatorTypeHigh efficiency dry type shell and tube heat exchangerFlow(m3/h)71.485.189.698.2106.3110.5128.6141.2150.8169.9Water pressure drop(kPa)55.058.062.062.068.068.068.070.070.072.0Interface sizeDN125DN150DN200CondenserTypeHigh efficiency shell and tube heat exchangerFlow(m3/h)86.5102.9108.2118.5127.9132.8154.4170.0181.2204.1Water pressure drop(kPa)55.056.058.060.065.065.065.068.068.070.0Interface sizeDN125DN150DN200RefrigerantTypeR22Refrigerant volume(kg)70.085.090.0100.0110.0120.0140.0165.0170.0155.0Overall dimensionsLength(mm)3110334034403440344034403550355035503550Width(mm)99599510001000108012801280131013101325Height(mm)1870193020202020202020902090224022402270WeightMachine weight(kg)2080230025702850290031003450405042304450Operating weight(kG)2330255029503000320034503750445046004850Cooling condition: Chilled water inlet/outlet temperature 12/7 oC, cooling water inlet/outlet temperature 30oC/35oCTemperature term: Chilled water outlet temperature 5oC~15oC; cooling water inlet temperature 19oC~33oC.Air cooled chiller box type (7oC) technical parameterSP-Type05ASZ08ASZ10ASZ12ASZ15ASZ20ADZ25ADZ30ADZ36ADZ40AQZ50AQZ60AQZ72AQZNominal cooling capacitykw14.425.529.032.741.158.065.482.298.1116.0130.8174.0196.2104 kcal/h1.22.22.52.83.55.05.67.18.410.011.215.016.9Machine powerkw4.77.39.710.914.319.422.329.132.238.243.852.465.2Machine operating currentA9.414.317.819.527.135.641.054.257.869.678.196.5117.2CompressorQuantity1111222434446Input power(kw)4.06.18.19.112.416.218.224.727.332.436.443.054.6Rated current(A)7.711.614.616.122.729.232.345.448.458.464.578.396.8EvaporatorTypeHigh efficiency dry type shell and tube heat exchangerFlow(L/min)41738394118166187236281333375498.8562.4Interface sizeDN32DN32DN40DN40DN50DN50DN50DN65DN65DN65DN65DN80DN80CondenserTypeHigh efficiency fin type heat exchangerCondensation axial fanFan quantity12222444688812Fan power(kw)0.20.50.91.11.21.71.92.42.73.64.44.86.6Operating current(A)0.61.21.72.22.43.44.34.85.06.87.69.612.5Chilled water pumpTypeHigh efficiency, low noise centrifugal water pump Input power(kW)0.550.750.750.751.101.502.202.202.202.203.004.04.0Head(mH2O)222522252322222221222322.023.0Nominal tank volume(L)80115130130210230250310310330370510510Overall dimensionsLength(mm)1050150014501450157016501650193023002900290035504270Width(mm)70080010001000100014501450157014001500150015001500Height(mm)1090125014101410151017501750151015501980198019852000WeightMachine weight(kg)1803504505007008301050125013001350155021502250Operating weight(kG)26046558063091010601300156016001680192028002900Cooling condition: Chilled water inlet/outlet temperature 12/7 oC, ambient dry bulb temperature 35oCApplicationApplication:Our water cooled screw chillers, water cooled screw type low temperature unit, flooded type water hillers, air-cooled screw chiller, air-cooled, water-cooled box type chillers products have been widely used in chemical industry, chemical fiber, plastics, oil, food, as long as the industry, printing, electroplating, electronics and other industries

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