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From 30 HP to 120 HP, our screw-type condensing unit can be flexibly configured to meet different cold storage needs, with cooling capacity varying by horsepower. The unit achieves rapid cooling while maintaining low noise and high energy efficiency, supported by excellent after-sales service and quick delivery—fully satisfying the operational requirements of perishable cold storage.
The copper tubes of this unit have passed pressure tests to ensure normal use. All structural parts have outstanding anti-corrosion capability. The air-cooled condensing unit features a well-structured, smoothly operating system and high-efficiency, high-airflow axial fans for low-noise and energy-saving operation.
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As a premier manufacturer and supplier of industrial cooling solutions, we present the 60HP 70HP Semi-Hermetic Parallel Screw Refrigeration Compressor. Engineered for heavy-duty industrial freezers, this unit delivers unparalleled thermal management and operational reliability for large-scale facilities.
Configurable horsepower ranging from 30 HP to 120 HP to match precise facility requirements.
Advanced three-stage capacity control (33%-66%-100%) for intelligent temperature regulation.
Robust semi-hermetic architecture ensuring long-term operational integrity and minimal maintenance.
Optimized for diverse eco-friendly refrigerants, ensuring compliance with global environmental standards.
The 60HP 70HP Semi-Hermetic Parallel Screw Refrigeration Compressor represents the pinnacle of modern thermal engineering, meticulously crafted to sustain the rigorous demands of industrial freezing environments. When you examine the unit, the solid, anti-corrosive galvanized steel casing conveys an immediate sense of durability, designed to withstand harsh, moisture-heavy atmospheres without succumbing to rust or degradation. The smooth, rhythmic hum of the three-phase two-stage motor, working in tandem with high-airflow axial fans, ensures that even at peak performance, the acoustic footprint remains remarkably subdued, creating a safer and more comfortable environment for facility personnel.
Inside the robust exterior, the meticulously brazed pure copper tubes—each rigorously pressure-tested—facilitate rapid heat exchange, ensuring your perishable inventory remains at the exact required temperature without fluctuation. The tactile feedback of the heavy-duty suction and exhaust valves speaks to the premium metallurgy utilized in its construction, guaranteeing a hermetic seal that prevents refrigerant leakage and sustains optimal pressure. Every structural component is engineered to synergize, creating a smoothly operating system that not only cools rapidly but also significantly curtails energy expenditure. By integrating this advanced compressor into your infrastructure, you transform your cold storage into a highly efficient, seamless operation that protects your valuable assets around the clock.
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 refrigeration infrastructure is crucial for maintaining the integrity of temperature-sensitive goods. Our semi-hermetic screw compressor unit is designed not just to meet, but to exceed the operational expectations of modern industrial facilities, offering a blend of power, precision, and longevity.
Unwavering Thermal Consistency: The parallel screw configuration ensures that even during peak ambient temperatures, the internal climate of your freezer remains absolute, preventing product spoilage and extending shelf life.
Intelligent Resource Management: Equipped with a sophisticated PLC intelligent control system (featuring top-tier brands like Siemens or Carel), the unit automates performance adjustments, reducing the need for manual oversight and minimizing human error.
Built for Harsh Environments: From the Class F insulation to the pressure-lubricated motor, every component is selected to endure the heavy-duty cycles typical of large-scale cold storage, refineries, and chemical plants.
Seamless Integration: The system is engineered for straightforward integration into existing ductwork and electrical grids, supported by standardized suction and exhaust valve diameters that simplify the installation process.
Operational costs are a primary concern for any large-scale facility. This compressor unit is specifically engineered to address the high electricity consumption typically associated with industrial freezing, transforming a major expense into a manageable, optimized metric.
Dynamic Capacity Adjustment: The innovative 3-stage capacity control (33%-66%-100%) allows the compressor to dynamically scale its output based on real-time thermal loads. This means you only pay for the cooling power you actually need, drastically lowering monthly utility bills.
Rapid Temperature Pull-Down: With a displacement ranging from 110m³/h to 210m³/h, the unit quickly extracts heat from the environment, rapidly bringing newly stored goods down to safe freezing temperatures and locking in quality.
Optimized Motor Efficiency: The 2950rpm three-phase two-stage motor delivers high torque and consistent rotational speed, ensuring that the compression cycle operates at peak thermodynamic efficiency without unnecessary power spikes.
Reduced Thermal Loss: The precision-engineered Y-△ starting model reduces inrush current during startup, protecting your electrical grid from stress while maintaining a highly efficient energy transfer throughout the cooling cycle.
The reliability of a refrigeration system is fundamentally tied to the quality of its internal components. We refuse to compromise on the materials and technologies that form the heart of our cooling units, ensuring you receive a product built on a foundation of excellence.
Premium Compressor Architecture: Utilizing advanced semi-hermetic parallel screw technology, the core compressor minimizes mechanical wear and tear, offering a significantly longer lifecycle compared to standard reciprocating models.
High-Purity Copper Tubing: The internal heat exchange pathways are constructed from high-grade, pure copper. This material choice not only maximizes thermal conductivity but also resists internal scaling and corrosion over decades of use.
Elite Control Systems: By integrating globally recognized PLC controllers such as Siemens and Carel, we provide you with an intuitive, highly responsive interface that guarantees precise system diagnostics and unshakeable operational stability.
Heavy-Duty Accessories: From the robust 300W internal heater to the high-capacity oil injection system (up to 12L), every accessory is over-engineered to support continuous, uninterrupted industrial performance.
In industrial freezing, equipment downtime is not just an inconvenience; it represents a critical risk to inventory and revenue. Our manufacturing protocol incorporates exhaustive quality assurance measures to guarantee zero-downtime reliability.
Rigorous Pressure Testing: Before leaving our facility, every unit undergoes severe pressure testing (including advanced leak-proof evaluations) to ensure the hermetic seals and copper brazing can withstand extreme operational stresses.
Comprehensive Protection Protocols: The system is fortified with multiple automated safety mechanisms, including motor overheating sensors, high/low-pressure cut-off switches, and low-oil alarms, instantly halting operation to prevent catastrophic mechanical failure.
Superior Anti-Corrosion Treatment: The structural framework is treated with industrial-grade anti-corrosive coatings and galvanized plating, shielding the vital components from the corrosive effects of salt spray, chemical vapors, and constant condensation.
Stable Lubrication Dynamics: The pressure lubrication mode guarantees a constant, even film of oil across all moving parts, drastically reducing friction and preventing the micro-abrasions that lead to premature compressor failure.
Modern industrial operations require equipment that is not only powerful but also adaptable to shifting environmental regulations and diverse application requirements. This compressor unit is designed with ultimate versatility in mind.
Broad Refrigerant Compatibility: Engineered to operate flawlessly with a variety of mainstream and eco-friendly refrigerants, including R22, R134a, R407C, and R404A, allowing you to align your cooling infrastructure with local environmental compliance standards.
Food & Beverage Processing: Perfectly suited for large-scale food manufacturing, ensuring rapid freezing of meats, seafood, and prepared meals to preserve texture, flavor, and nutritional value.
Pharmaceutical Storage: Provides the hyper-stable, ultra-low temperature environments strictly required for the safe storage of vaccines, biological samples, and temperature-sensitive chemical compounds.
Logistics & Cold Chain: An ideal powerhouse for expansive refrigerated warehouses and distribution centers, capable of maintaining uniform temperatures across massive square footages, regardless of external weather conditions.
A powerful refrigeration unit should not dominate your facility's physical space or create an inhospitable auditory environment. Our engineering team has prioritized a design that is as unobtrusive as it is effective.
Space-Saving Footprint: Despite its massive cooling capacity, the parallel screw configuration allows for a highly compact structural design, freeing up valuable floor space in your mechanical rooms for other critical infrastructure.
Acoustic Dampening Technology: Integrated vibration isolators and precision-balanced rotors absorb mechanical kinetic energy, preventing vibrations from transferring to the building structure and significantly lowering the overall decibel output.
High-Efficiency Axial Fans: The air-cooled variants utilize aerodynamically optimized axial fans that move massive volumes of air at lower rotational speeds, delivering exceptional heat dissipation while maintaining a quiet operational profile.
Accessible Maintenance Layout: The internal components are logically arranged with maintenance in mind. Service panels provide immediate access to oil reservoirs, valves, and electrical relays, drastically reducing the time required for routine servicing.
We understand that off-the-shelf solutions rarely meet the nuanced demands of complex industrial projects. Our commitment extends far beyond the physical product, offering deep engineering support to ensure your exact specifications are realized.
One-on-One Technical Consultation: Our seasoned engineers work directly with your procurement and technical teams to analyze your thermal load requirements, ambient conditions, and spatial constraints to recommend the perfect model.
Advanced CAD & Design Data: We utilize state-of-the-art software to provide comprehensive design data, thermodynamic calculations, and precise production drawings, ensuring seamless integration into your architectural plans.
Bespoke Configuration Options: Whether you require specific voltage adaptations, specialized anti-corrosive coatings for marine environments, or custom PLC programming, our manufacturing lines are equipped to build your unit to order.
End-to-End Project Delivery: From the initial blueprint communication to the final delivery and post-installation feedback, we maintain a deep level of coordination, ensuring your custom refrigeration project is executed flawlessly and on schedule.
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 a partner for your industrial cooling infrastructure is a critical decision that impacts your operational success for years to come. We bring decades of specialized expertise, global reach, and an unyielding dedication to quality to every project we undertake.
Proven Industry Authority: With a rich history of participating in premier global exhibitions, we continuously benchmark our technology against the world's best, ensuring our products remain at the cutting edge of thermodynamic innovation.
Transparent Manufacturing Excellence: Our production facilities operate under stringent international quality management systems. Every weld, wire, and valve is inspected, guaranteeing that the product you receive is flawless.
Responsive Global Support: We recognize that industrial facilities operate 24/7. Our dedicated technical support team is structured to provide rapid, actionable solutions, minimizing any potential disruption to your operations.
Commitment to Continuous Improvement: We actively listen to the feedback of facility managers and engineers worldwide, continuously refining our designs to enhance energy efficiency, durability, and user experience.
To assist your technical and procurement teams in their evaluation process, we have compiled detailed answers to the most critical inquiries regarding our semi-hermetic parallel screw refrigeration compressors.
How does the 3-stage capacity control (33%-66%-100%) benefit my facility's energy consumption?
The multi-stage capacity control allows the compressor to match its cooling output exactly to the real-time heat load of your freezer. Instead of running at full power continuously, the unit steps down to 66% or 33% when the target temperature is reached, drastically reducing electrical draw and minimizing mechanical wear.
Can this compressor unit be adapted for water-cooled or evaporative cooling systems?
Yes. While the standard configuration features highly efficient air-cooling, our engineering team can fully customize the unit to integrate seamlessly with water-cooled or evaporative cooling infrastructures, depending on your facility's available resources and ambient climate conditions.
What maintenance is required for the pressure lubrication system?
The pressure lubrication system is designed for low maintenance, ensuring a continuous oil film on all moving parts. Routine maintenance simply involves monitoring the oil level (7L to 12L capacity depending on the model) through the integrated sight glass, checking oil pressure via the PLC interface, and performing scheduled oil and filter changes as outlined in the technical manual.
Is the PLC intelligent control system compatible with our existing centralized building management system (BMS)?
Absolutely. The premium PLC controllers (such as Siemens or Carel) utilized in our units support standard industrial communication protocols (like Modbus or BACnet). This allows for seamless integration into your overarching BMS, enabling remote monitoring, data logging, and centralized alarm management.
What kind of engineering data will you provide if we require a customized unit?
For customized projects, our engineering team provides a comprehensive technical dossier. This includes detailed 2D/3D CAD production drawings, thermodynamic performance curves based on your specific ambient conditions, electrical wiring schematics, and precise weight and dimension data to facilitate your site preparation and installation planning.
