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HeatingRefrigeration Temperature ControlHeat PumpHeat PumpHeat Pump Water Heater
Jiangsu Sujing Group Co., Ltd.
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Product Description CE Approved Casade heat pump unit for sale As one of China's earliest professional manufacturers of purification air conditioners and HVAC equipment, Sujing specializes in R&D, production, sales, and installation. We operate two core segments: air conditioning systems and heat pump systems. The heat pump line includes CO2 heat pumps, cascade variable frequency units, air source (chilled water) units, water-cooled chillers, industrial screw units, air-cooled modules, and drying units.Our products are widely applied in industry, agriculture, commerce, transportation, and aerospace, as well as in specialized fields like green heating, coal mines, oil fields, livestock farming, agricultural drying, and biomedicine. They are exported to over 30 countries, including the U.S., Finland, the Netherlands, Canada, and Brazil.Product DescriptionCasade heat pump unit The air source cascade heat pump couples two independent refrigeration cycles through an intermediate heat exchanger, enabling step-by-step heat transfer. This design overcomes the limitations of single-stage systems under low ambient temperature and high water temperature conditions-such as excessive compression ratio, high discharge temperature, and low volumetric efficiency. It ensures stable hot water output of up to 80°C (with R134a) or 95°C (with R515B) even in extremely cold climates as low as -35°C, offering wide applicability. Operating PrincipleThe air source cascade heat pump is mainly composed of two independent systems: a low-temperature stage and a high-temperature stage. The evaporator of the low-temperature stage absorbs heat from the air and transfers it to the high-temperature stage via an intermediate evaporator-condenser. The high-temperature stage then exchanges this heat with the water medium through its condenser, thereby achieving high-temperature hot water or heating supply.Product ParametersPowerSJK-20G/IIBF-100Rated heating conditionsHeating capacitykW38.3Water flowm3/h3.3Input powerkW16.5COPW/W2.32Rated high temp outlet water conditionHeating capacitykW33.1Water flowm3/h2.8Input powerkW19.7COPW/W1.68Nominal high temp water outlet conditionHeating capacitykW30.1Water flowm3/h2.6Input powerkW21.1COPW/W1.42Power380V/3N~50HzMax.input powerkW24Max.input currentA49Ambient temperatureoC-35~43Max. water outlet temperatureoC98RefrigerantR410A+R1234ze(E)CompressorHigh-efficiencyflexible scroll compressor (R4l0A DC variable frequency/R1234ze(E) fixed frequency)Air source heat exchangerHigh-efficiencyinternally threaded copper tube fin heat exchangerWater heat exchangerDouble pipes heat exchangerWater systemWater pipe connection DN40 (Internal thread)Water pressure dropkPa≤50Dimensions(length * width * height) mm1700*1160*2050NoisedB(A)≤62Weightkg850Remarks:1) Rated heating conditions: dry bulb temperature 7°C, wet bulb temperature 6°c, water inlet temperature 60°C, water outlettemperature 70°C.2) Rated high temperature outlet conditions: dry bulb temperature 7°C wet bulb temperature 6°c, water inlet temperature 85°Cwater outlet temperature 95°C.3) Nominal high temperature outlet conditions: dry bulb temperature -12°C, wet bulb temperature -13.5°c, water inlettemperature 85°C,water outlet temperature 95°C.Recommended ProductsView more products,you can click product keywords...AHUsDehumidifiersSimultaneous Heating&Cooling unitHot water UnitsChillers Main ProductsHot Products Company ProfileJiangsu Sujing Group Co., LtdDedicated to overall solutions for equipment manufacturing in the field of dehumidification and environmental protection.History: Established in 1969, state-owned high-tech company Size: 130,000 square meters Employees: 1200+Rotary Dehumidifier Testing CenterEquipped with advanced sensors, our testing center continuously monitors key operating parameters to accurately assess the dehumidifier's performance and operating status. Real-time test data can be accessed anytime via mobile devices, offering valuable insights for fault diagnosis and condition evaluation-driving smarter maintenance and continuous product optimization.Chiller Performance Testing CenterThe testing center is equipped to evaluate both water chillers and water/ground source heat pumps, simulating year-round operating conditions. It supports single-unit testing up to 1200 kW, ensuring reliable performance validation under real-world scenarios.100HP Environmental Simulation LaboratoryThis state-of-the-art laboratory is equipped to test chillers & heaters, direct expansion units, combined air conditioning units, and fan coil units-with dedicated capabilities for explosion-proof equipment. It can simulate year-round operating conditions and supports single-unit testing up to 300 kW, ensuring comprehensive and reliable performance validation.Environmental Simulation Enthalpy Difference LaboratoryThis laboratory can simulate extreme environments with temperatures ranging from -30°C to 50°C. It tests dehumidifier performance under various climate conditions, while real-time monitoring of operating parameters is conducted through a central control room. This ensures a solid foundation for the stable and reliable operation of dehumidifiers. FAQ1.Who are we?Established in 1970 as a state-owned enterprise, Jiangsu Sujing Group Co., Ltd. is a National Innovation Pilot Enterprise and National Key High-Tech Enterprise dedicated to advancing technological innovation, intelligent equipment manufacturing, and energy-saving integrated solutions in the clean environmental protection sector. With a steadfast commitment to sustainable development, we drive high-quality growth through cutting-edge technologies and industry leadership.2.How can we guarantee quality?A: Always a pre-production sample before mass production; Always final Inspection before shipment.3.Q3. What can you buy from us?A: Dehumidifiers,Chillers & AC Terminal,Heat Pump 4.Q4. Why should you buy from us not from other suppliers?A:Innovation Ecosystem: Built a multidimensional R&D platform-"Institute + Research Station + Engineering Center", achieving breakthroughs in green technology R&D, patent applications, and industry standards.Cutting-Edge Manufacturing: Specialize in heat pumps, industrial air conditioners, dehumidifiers, chillers, fan coil units, and customized HVAC solutions.Global Impact: Products serve new-generation IT, renewable energy, electronics, and commercial/industrial sectors. 5.Q5. What services can we provide?A: Accepted Delivery Terms: FOB,,CIF,EXW;Accepted Payment Currency: USD, EUR,CNY;Accepted Payment Type: T/T,L/CLanguage Spoken: English, Chinese;
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