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This screw-type condensing unit is specifically designed for cold storage warehouses for vegetables, fruits, meat, and seafood. It is available in power options ranging from 30 HP to 120 HP, with cooling capacity varying accordingly. Key advantages include fast cooling, low noise, high efficiency, as well as excellent after-sales service and quick delivery.
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As a leading manufacturer and supplier of advanced industrial refrigeration solutions, we present the 70HP Screw Refrigeration Monoblock Rack Condensing Unit. Engineered specifically for demanding cold storage environments, this robust system ensures rapid temperature reduction and sustained thermal stability for your most critical inventory.
High-efficiency screw compressor technology for continuous heavy-duty operation.
Versatile compatibility with multiple refrigerants including R22, R134a, R407C, and R404A.
Space-saving monoblock rack architecture to optimize your mechanical room footprint.
Intelligent 3-stage capacity control (33%-66%-100%) for dynamic energy management.
Stepping into a large-scale cold storage facility, the ambient, steady hum of a reliable refrigeration system is the true heartbeat of your operation. The 70HP Screw Refrigeration Monoblock Rack Condensing Unit is meticulously engineered to provide that unwavering pulse. When you run your hand along the heavy-gauge, corrosion-resistant casing, you instantly feel the industrial-grade durability designed to withstand the harshest environmental conditions and relentless daily usage. The smooth, exceptionally low-vibration operation of the internal screw mechanism translates into a quiet yet immensely powerful cooling force, rapidly drawing heat away from your valuable stored goods. By integrating advanced thermodynamic engineering, this unit does not just blow cold air; it creates a scientifically balanced microclimate that preserves the crisp texture of fresh agricultural produce, maintains the structural integrity of frozen meats, and safeguards the delicate chemical composition of highly sensitive pharmaceuticals. Your facility benefits from an uninterrupted, highly stable temperature profile, drastically reducing spoilage risks and protecting your bottom line. Furthermore, the streamlined monoblock architecture eliminates the chaotic web of external piping often seen in traditional setups, presenting a clean, professional aesthetic while minimizing potential refrigerant leak points. This is far more than a piece of machinery; it is a steadfast guardian for your temperature-sensitive assets.
Model | SRC | SRC | SRC | SRC | |
110 | 140 | 180 | 210 | ||
Applicable Refrigerant | R22 R134a R407C R404A | ||||
Displacement | m³/h | 110m³/h | 140m³/h | 180m³/h | 210m³/h |
Motor Nominal Power | Kw/Hp | 22Kw/40Hp | 30Kw/40Hp | 37Kw/50Hp | 45Kw/60Hp |
Rated Speed | rpm | 2950rpm | |||
Motor Type | Three-phase Two-stage Motor | ||||
Insulation Class | ClassF | ||||
Staring Model | Y-△ staring-up | ||||
Power | 380V/50Hz | ||||
Capacity Control Range | 3 Stage way：33%-66%-100% | ||||
Lubrication Mode | Pressure Lubrication | ||||
Heater | W | 300W | |||
Oil injection quantity | L | 7L | 7L | 7L | 12L |
Suction valve diameter | Inch | 2" | 2" | 2" | 2-5/8" |
Exhaust valve diameter | Inch | 1-1/2" | 1-1/2" | 1-1/2" | 1-1/2" |
Weight | Kg | 275Kg | 280Kg | 330Kg | 500Kg |
Investing in the right thermal management infrastructure requires equipment that goes far beyond basic cooling functions. This monoblock condensing unit is packed with advanced engineering highlights that directly translate into operational superiority, reduced lifecycle costs, and ultimate peace of mind for your facility managers.
Rapid Thermal Drawdown: Engineered to extract heat at an accelerated rate, ensuring your newly stored goods reach their target core temperature swiftly, thereby locking in freshness and significantly extending shelf life.
Acoustic Optimization: Utilizing precision-machined screw rotors and heavy-duty vibration isolators, the system operates with a surprisingly muted acoustic footprint, protecting your workforce from harsh industrial noise pollution.
Seamless Capacity Modulation: The intelligent 3-stage control system dynamically adapts to your fluctuating thermal loads, preventing aggressive power spikes and minimizing mechanical wear on the compressor.
Resilient Power Delivery: Driven by a robust three-phase, two-stage motor featuring Class F insulation, it maintains peak performance even under the most strenuous continuous-duty cycles in high-demand environments.
Optimized Lubrication Network: The integrated pressure lubrication system ensures every critical moving part is constantly shielded by a protective oil film, drastically reducing mechanical friction and extending the operational lifespan of the unit.
The heart of any refrigeration system is its compressor, and we refuse to compromise on the vital organs of our machinery. By integrating world-renowned compressor technologies and premium internal components, we guarantee a foundation of absolute reliability and unmatched thermodynamic efficiency for your cold storage needs.
Premium Compressor Integration: We utilize top-tier, internationally recognized compressor architectures to ensure flawless continuous operation, giving you the confidence that your facility is powered by industry-leading technology.
Uncompromising Stability: These elite components are rigorously tested to withstand extreme pressure differentials, ensuring your cold room maintains its exact setpoint without unexpected downtime or temperature fluctuations.
Extended Mechanical Lifespan: High-end internal metallurgy and precision engineering mean fewer replacements, lower maintenance budgets, and a vastly superior return on your capital investment over the long term.
Global Parts Availability: Utilizing standardized, premium-brand equivalent components ensures that routine maintenance and parts sourcing are completely frictionless, no matter where your facility is located globally.
When ambient temperatures soar or inventory loads reach their peak, your refrigeration system absolutely must not falter. This unit is meticulously calibrated for extreme performance, delivering massive cooling capacities precisely when your operations demand it the most, without hesitation.
High-Volume Displacement: Ranging from 110m³/h to a massive 210m³/h, the volumetric efficiency guarantees rapid refrigerant circulation for instantaneous cooling effects across large storage volumes.
Broad Temperature Resilience: Engineered to function flawlessly in extreme ambient conditions, maintaining highly stable internal cold room temperatures ranging from a deep-freeze -50℃ up to a mild +20℃.
Dynamic Load Adaptation: The built-in 3-stage capacity control (33%-66%-100%) allows the system to intelligently dial back power during off-peak hours, preventing overcooling and reducing unnecessary mechanical stress.
Multi-Refrigerant Versatility: Fully compatible with R22, R134a, R407C, and R404A, giving you the ultimate flexibility to choose the most efficient or regionally compliant thermodynamic medium for your specific application.
No two supply chains are identical. Whether you are flash-freezing oceanic catches or maintaining the delicate molecular structure of vaccines, our equipment adapts to your specific spatial and thermal requirements through deep, engineering-led customization and versatile application design.
Food & Beverage Preservation: Ideal for massive meat processing plants, seafood blast freezers, and sprawling agricultural cold storage where rapid temperature drop is critical to product viability.
Pharmaceutical & Chemical Stability: Provides the ultra-precise, fluctuation-free climate control demanded by highly sensitive medical supplies, biological vaccines, and volatile chemical storage facilities.
Logistics & Supermarket Hubs: Perfectly scaled for regional distribution centers and large retail cold chains requiring continuous, heavy-duty operation to keep consumer goods fresh around the clock.
End-to-End Engineering Services: Our professional engineering team provides one-on-one consultation, delivering precise design data, comprehensive 3D production drawings, and bespoke dimensions to fit your architectural constraints.
Comprehensive Customization Capabilities: We seamlessly integrate into your broader infrastructural projects, offering tailored structural modifications, specific component sizing, and complete turnkey solutions designed just for you.
Operational overhead can cripple profitability in the logistics and storage sectors. We have engineered this monoblock rack to squeeze the maximum thermodynamic yield from every single kilowatt of electricity, aligning your facility with modern sustainability standards while protecting your margins.
Optimized Power Consumption: The intelligent Y-△ (Star-Delta) start-up mechanism significantly reduces the initial electrical inrush current, protecting your local grid and lowering peak demand utility charges.
Two-Stage Compression Efficiency: By utilizing a three-phase two-stage motor, the system drastically reduces the mechanical work required during deep-freeze operations, resulting in profound, measurable energy savings.
Eco-Conscious Refrigerant Compatibility: Designed to operate seamlessly with modern, environmentally responsible refrigerants, helping your facility meet stringent environmental regulations and lower its overall carbon footprint.
Thermal Loss Mitigation: The premium Class F insulation and highly efficient heat exchange surfaces ensure that generated cold is transferred directly to your storage space, rather than being lost to the ambient environment.
Industrial machinery must protect itself in order to protect your highly valuable inventory. We have integrated a comprehensive suite of digital and mechanical fail-safes, transforming this condensing unit into an autonomous, self-monitoring fortress of operational reliability.
Intelligent System Brain: At the core is a sophisticated control logic that constantly monitors internal pressures, operating temperatures, and electrical draw, making micro-adjustments in real-time to maintain perfect equilibrium.
Comprehensive Pressure Safeguards: Equipped with highly sensitive high and low-pressure switches that instantly cut power if thermodynamic boundaries are breached, preventing catastrophic compressor failure.
Thermal Motor Protection: Advanced sensors embedded within the motor immediately detect abnormal heat buildup, triggering a protective shutdown long before any permanent insulation damage can occur.
Integrated Oil Management: A highly efficient oil separator and pressure lubrication system guarantee the compressor never runs dry, while the integrated 300W heater prevents liquid refrigerant migration during off-cycles.
Unattended Operation Capability: The intuitive interface allows your facility managers to set precise parameters and walk away, relying on the system's automated fault-warning alarms to alert them only when human intervention is truly necessary.
Time spent on complex, drawn-out installations is time your facility is not generating revenue. The monoblock rack architecture of this unit is a masterclass in spatial efficiency and deployment speed, designed specifically for the rigorous realities of industrial construction and maintenance.
Compact Monoblock Footprint: By consolidating the compressor, oil management, and control systems into a single, unified rack, we drastically reduce the floor space required in your mechanical room.
Plug-and-Play Readiness: Every unit undergoes rigorous factory pressure testing and leak detection. It arrives at your site ready for immediate integration, slashing expensive on-site labor hours and commissioning time.
Ruggedized Exterior: The heavy-duty framework is built to endure harsh industrial atmospheres, resisting degradation even in high-humidity environments or areas with significant airborne particulates.
Accessible Maintenance Corridors: Despite its compact nature, the structural layout ensures that all critical valves (like the 2-5/8" suction and 1-1/2" exhaust valves) are instantly accessible for fast, routine servicing.
A major capital equipment purchase is merely the beginning of a long-term operational partnership. We stand firmly behind every weld, wire, and valve, providing a robust global support network that ensures your cold storage operations never miss a beat.
Comprehensive Warranty: We back our engineering with a solid guarantee, covering core components and manufacturing defects to give you total peace of mind during the critical initial phases of operation.
Global Technical Support: Our dedicated team of seasoned refrigeration engineers is available for remote troubleshooting, expertly guiding your on-site technicians through any operational anomalies.
Rapid Spare Parts Dispatch: With a well-stocked inventory of critical components, we ensure that replacement parts are shipped swiftly to minimize any potential downtime at your facility.
Proven Industry Track Record: Our extensive portfolio of real-world project installations and our continuous presence at major global exhibitions serve as a testament to our enduring commitment to the refrigeration industry.
If you don't know which model is suitable for you, please contact we without hesitation, after tell us your requirements, we shall be glad to give you our professional advise.
And if all this model don't suit for you, we have advanced software and professional team of engineers can design product for you.
We can provide designing data and prodcution drawings.
We have a wealth of exhibition experience, where we continuously showcase our products, exchange technologies and listen to customer demands. These are some real-time photos from the exhibition site, witnessing every step of our joint growth with the industry.
The standard products are ready for immediate use, while the customized ones are specially made for you. The difference lies not only in the product itself, but also in the depth of coordination throughout the entire service process.
From the initial communication of the plan to the satisfactory feedback received after the final product was delivered，we have customized products for many customers, these are some projects we did before，Covering various needs and scenarios.
To meet various scenarios and requirements, we have also introduced more product categories, aiming to provide you with a more comprehensive experience. Please click on each category label to quickly browse the preferred products.
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Selecting the right manufacturing partner is just as critical as selecting the right equipment. We are not merely assemblers of parts; we are thermodynamic problem solvers dedicated to elevating your operational efficiency and protecting your investments.
Decades of Specialized Expertise: Our engineering teams possess deep, specialized knowledge in industrial refrigeration, allowing us to anticipate challenges and engineer proactive, highly effective solutions.
Stringent Quality Assurance: From initial raw material inspection to final dynamic load testing, our rigorous quality control protocols ensure that only flawless machinery leaves our production facility.
Client-Centric Engineering: We listen before we build. Our one-on-one consultation process ensures the final product aligns perfectly with your specific thermal loads and spatial constraints.
Transparent Communication: You will experience clear, professional, and rapid communication throughout the entire procurement cycle, from the initial technical quotation to post-installation support.
Scalable Production Capacity: Whether you need a single replacement unit or a fleet of racks for a mega-facility, our agile manufacturing lines can easily meet your delivery schedules without ever compromising on quality.
To assist you in making an informed procurement decision, we have compiled answers to some of the most technical questions frequently asked by facility engineers and procurement managers regarding this condensing unit.
Q1: How does the 3-stage capacity control (33%-66%-100%) benefit my facility's daily operations?
A1: The 3-stage capacity control allows the compressor to dynamically adjust its cooling output based on the real-time thermal load of your cold room. During periods of low activity or when target temperatures are reached, it steps down to 33% or 66%, significantly reducing electricity consumption and preventing the mechanical wear associated with constant, harsh on/off cycling.
Q2: Can this condensing unit maintain stable temperatures for ultra-low pharmaceutical storage?
A2: Yes. When paired with the appropriate refrigerant (such as R404A) and properly sized evaporators, this high-displacement screw compressor system can reliably maintain extreme low temperatures down to -50℃, making it highly suitable for strict pharmaceutical, vaccine, and chemical storage requirements.
Q3: What does the Y-△ (Star-Delta) start-up model mean for my electrical infrastructure?
A3: The Y-△ starting method is crucial for large industrial motors like our 40Hp to 60Hp units. It temporarily configures the motor windings in a "Star" pattern during initial startup to reduce the massive inrush current by approximately two-thirds. This protects your facility's electrical grid from severe voltage dips and prevents main breaker trips.
Q4: How frequently does the pressure lubrication system require maintenance?
A4: The integrated pressure lubrication system, equipped with a 7L to 12L oil injection capacity and an efficient oil separator, is designed for long-term autonomous operation. We recommend a visual inspection of oil levels monthly and a comprehensive oil and filter change every 4,000 to 5,000 operating hours, depending on the severity of your operational environment.
Q5: If my facility has unique spatial constraints, can you modify the monoblock rack dimensions?
A5: Absolutely. Our professional engineering team utilizes advanced 3D modeling software to redesign the structural rack according to your needs. We can provide custom production drawings to ensure the unit fits perfectly into your designated mechanical room without compromising necessary airflow or maintenance access.
