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This piston compressor is widely used in cold storage for agricultural products, meat, and seafood. Power options range from 3HP to 50HP, with cooling capacity proportional to horsepower. The compressor offers three advantages: fast cooling, low noise, and high efficiency, along with good after-sales service and quick delivery.
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As a premier manufacturer and direct supplier of industrial cooling solutions, we present the 25HP Low-Temperature Reciprocating Refrigeration Compressor. Engineered for heavy-duty cold room applications, this robust unit delivers exceptional thermal extraction for agricultural produce, meat, and seafood storage facilities. Sourcing directly from our production lines ensures competitive advantages for bulk procurement and reliable performance for large-scale engineering projects.
25HP / 18.5kW nominal motor power for heavy-duty cooling
High displacement capacity up to 88.8 m³/h
Durable semi-hermetic piston architecture
Broad compatibility with R22, R134a, R404a, and R507a refrigerants
The 25HP low-temperature reciprocating refrigeration compressor is meticulously crafted to serve as the beating heart of your heavy-duty cold storage infrastructure. When you run your hand along the heavy-gauge, semi-hermetic cast-iron casing, you can immediately feel the industrial-grade durability designed to withstand extreme thermal fluctuations. The precision-machined internal components, from the smooth aluminum pistons to the finely balanced crankshafts, work in perfect harmony to eliminate excessive mechanical friction. Upon startup, instead of a harsh metallic rattle, the unit emits a steady, low-decibel hum, a testament to its superior acoustic engineering and advanced forced-lubrication system.
Visually, the compressor boasts a sleek, corrosion-resistant finish that repels moisture and prevents rust even in the most unforgiving, high-humidity environments. Every connection point, from the securely sealed suction line to the reinforced discharge valve, is engineered to prevent micro-leaks, ensuring your refrigerants remain completely contained within the closed loop. This exceptional craftsmanship not only minimizes the need for emergency maintenance but also guarantees that your temperature-sensitive inventory remains perfectly preserved. By integrating this powerful cooling engine into your facility, you are investing in uninterrupted operational stability and long-term peace of mind.
Compressor Model | Motor Nominal Power HP/kW | Displacement (1450rpm 50Hz/60H | cylinders× diameter× itinerary mm | Suction, Discharge Line mm | Oil Volume L | Power Supply V/Ф/Hz | Electrical Parameters | Crankcase Heater （220V） W | Fuel supply mode | Weight kg | ||
DL Discharge Valve | SL Suction Valve | （A） Max Operating Current | （A） Starting/ Locked Current | |||||||||
4VB15.2Z | 15/10.5 | 73.6/88.8 | 4×Ф70×55 | Ф28 | Ф42 | 4 | 380- 420YY/3/50 440- 480YY/3/60 | 31 | 81/132 | 140 | Forced - lubrication | 183 |
4VB25.2G | 25/18.5 | 73.6/88.8 | 4×Ф70×55 | Ф28 | Ф54 | 4.5 | 45 | 116/193 | 140 | 203 | ||
4VB20.2Z | 20/15 | 84.5/101.9 | 4×Ф75×55 | Ф28 | Ф54 | 4.5 | 37 | 97/158 | 140 | 192 | ||
4VB30.2G | 30/22 | 84.5/101.9 | 4×Ф75×55 | Ф28 | Ф54 | 4.5 | 53 | 135/220 | 140 | 206 | ||
Upgrading your cold room infrastructure requires equipment that goes beyond basic cooling functions. This 25HP piston compressor is engineered to deliver tangible improvements to your daily operations, reducing overhead costs while safeguarding your valuable inventory. The integration of advanced thermodynamics ensures that your facility reaches target temperatures rapidly, minimizing spoilage risks. Here are the standout advantages of integrating this unit into your thermal management system:
Rapid Temperature Drawdown: Accelerates the freezing process for fresh produce and meats, locking in cellular quality and significantly extending shelf life.
Whisper-Quiet Operation: Engineered with precision-balanced internal components to drastically reduce acoustic output, creating a safer and more comfortable environment for facility workers.
Exceptional Energy Conservation: A high Coefficient of Performance (COP) translates directly to lower monthly utility bills, optimizing your overall operational budget without sacrificing power.
Seamless Maintenance Access: The intelligent semi-hermetic design allows your technicians to easily access internal valve plates and cylinders, slashing downtime during routine servicing.
For large-scale procurement managers, the raw performance metrics of a refrigeration unit dictate its viability for demanding projects. This 25HP compressor is built to be an uncompromising powerhouse, delivering the immense driving force required for expansive cold storage warehouses. Its robust technical foundation ensures that even during peak summer months, your facility maintains strict temperature protocols without faltering.
Formidable 25HP Output: Generates 18.5kW of nominal motor power, providing the heavy-duty thrust needed for massive commercial freezing applications.
Massive Volumetric Displacement: Achieves up to 88.8 m³/h of displacement, ensuring rapid refrigerant circulation and unmatched cooling efficiency across large spatial volumes.
Dual-Frequency Versatility: Perfectly engineered to operate on both 50Hz and 60Hz power grids, making it an ideal choice for international projects and diverse electrical standards.
Deep-Freeze Capability: Specifically calibrated for low and ultra-low temperature environments, guaranteeing stable performance in deep-freeze seafood and meat storage.
Generous Oil Capacity: Features a 4.5L oil reservoir that maintains optimal lubrication under continuous, high-load operation, preventing mechanical wear.
The physical construction of industrial equipment directly correlates with its lifespan. We have meticulously designed this reciprocating compressor with premium-grade materials to withstand the harshest industrial conditions. From the heavy-duty casting to the internal wear-resistant parts, every inch of this machine is crafted to resist degradation, ensuring that your initial investment yields decades of reliable service.
Semi-Hermetic Architecture: Combines the leak-proof benefits of a fully sealed unit with the repairability of an open compressor, offering the best of both worlds for industrial users.
Forced-Lubrication System: Actively pumps oil to all critical moving parts, drastically reducing friction, preventing overheating, and extending the lifespan of the crankshaft and cylinders.
Premium Metallic Alloy Frame: Constructed from high-density cast iron that absorbs mechanical stress and resists environmental corrosion in damp, freezing cold rooms.
High-Grade Copper and Aluminum: Internal tubing and heat-exchange components utilize top-tier metals, maximizing thermal transfer while resisting internal scaling and degradation.
System integration should never be a bottleneck when upgrading your cooling infrastructure. This compressor is highly adaptable, designed to slide seamlessly into your existing setups without requiring extensive modifications. Whether you are building a new facility from the ground up or replacing an aging unit, this compressor offers unparalleled compatibility with modern environmental standards and existing hardware ecosystems.
Eco-Friendly Refrigerant Support: Fully compatible with a wide spectrum of modern refrigerants including R404a, R134a, R22, R407c, R410A, and R507a, allowing you to meet local environmental regulations effortlessly.
Universal Replacement Profile: Dimensionally and functionally designed to serve as a direct, cost-effective replacement for equivalent models from top international brands, saving you significant redesign costs.
Flexible Cooling Options: Can be seamlessly paired with either air-cooled or water-cooled condenser systems, adapting to the specific spatial and environmental constraints of your facility.
Standardized Connection Ports: Features universally sized suction (Ф54mm) and discharge (Ф28mm) lines, ensuring quick and secure welding to your existing copper piping networks.
In large-scale industrial refrigeration, equipment failure can lead to catastrophic inventory loss. That is why this compressor is fortified with a comprehensive suite of safety mechanisms and backed by stringent international quality certifications. We prioritize risk mitigation at every stage of the manufacturing process, delivering a machine that actively protects itself against electrical anomalies and mechanical stress.
Intelligent Motor Protection: Integrated sensors continuously monitor electrical currents, automatically shutting down the unit to prevent motor burnout during voltage spikes or phase imbalances.
Thermal Monitoring: Built-in discharge temperature sensors prevent the compressor from operating under dangerous thermal loads, safeguarding the internal valves and oil integrity.
Integrated Crankcase Heater: A powerful 140W heater prevents refrigerant migration and oil dilution during off-cycles, ensuring safe and smooth start-ups in freezing ambient conditions.
Global Quality Certifications: Manufactured under strict ISO9001 standards, and carrying CE and CCC marks, providing undeniable proof of its safety, reliability, and export-readiness.
The true value of a refrigeration compressor lies in its day-to-day operational efficiency. By minimizing energy waste and maximizing cooling output, this unit directly enhances your bottom line. Its advanced thermodynamic design ensures that every kilowatt of electricity is converted into maximum cooling power, providing a smooth, vibration-free experience that protects both the machine and the surrounding infrastructure.
High Coefficient of Performance (COP): Engineered to deliver maximum cooling capacity with minimal electrical input, dramatically lowering long-term operational expenses.
Vibration Dampening Technology: Precision-machined pistons and a dynamically balanced crankshaft eliminate harsh vibrations, preventing structural fatigue in your piping and mounting racks.
Optimized Gas Flow: Redesigned internal valve plates reduce gas turbulence, allowing for smoother suction and discharge cycles that enhance overall volumetric efficiency.
Consistent Temperature Maintenance: Delivers a steady, unwavering flow of cooling power, eliminating temperature fluctuations that could compromise the quality of stored goods.
No two cooling projects are exactly alike. This versatile compressor is trusted across a multitude of demanding industries, proving its mettle in diverse scenarios. Beyond offering standard off-the-shelf units, we pride ourselves on providing comprehensive engineering solutions tailored to your specific spatial, thermal, and regulatory requirements. Our expert team is ready to transform your conceptual needs into high-performing realities.
Agricultural Cold Storage: Perfect for preserving the crispness and nutritional value of freshly harvested fruits and vegetables in massive warehouse environments.
Meat and Poultry Freezing: Delivers the rapid, deep-freezing power necessary to prevent bacterial growth and maintain the texture of processed meats.
Marine and Seafood Preservation: Robust enough to handle the ultra-low temperatures and high-humidity conditions required for long-term seafood storage.
End-to-End Customization: We offer complete OEM/ODM services, providing detailed production drawings, bespoke capacity tuning, and customized structural designs to fit your exact project blueprints.
Securing a high-quality compressor is only the first step; ensuring it arrives safely and operates flawlessly is our ultimate commitment. We understand the logistical challenges of international procurement, which is why we have perfected our packaging protocols and established a highly responsive global support network. From the factory floor to your installation site, we guarantee a smooth, transparent, and fully supported transaction.
Export-Grade Wooden Packaging: Every compressor is securely bolted and encased in reinforced, fumigated wooden crates, completely shielding it from impact and moisture during long-haul ocean freight.
Expedited Delivery Schedules: Leveraging our streamlined manufacturing processes, we guarantee rapid order fulfillment, keeping your urgent construction or replacement timelines on track.
Comprehensive Installation Guidance: Our engineering team provides detailed remote assistance, schematics, and technical manuals to ensure your local technicians can install the unit flawlessly.
Global Spare Parts Availability: We maintain a vast inventory of standardized replacement parts, ensuring that any future maintenance needs are met swiftly, minimizing potential system downtime.
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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Partnering with the right manufacturer is just as critical as selecting the right equipment. With years of dedicated experience in the industrial refrigeration sector, we have built a reputation for engineering excellence and unwavering customer support. We do not just supply machinery; we provide comprehensive cooling solutions designed to scale with your operations. Our commitment to innovation and quality control makes us the preferred choice for major projects worldwide.
Decades of Manufacturing Expertise: Our deep-rooted industry knowledge allows us to anticipate your technical challenges and engineer proactive, reliable solutions.
State-of-the-Art Production Facilities: Utilizing advanced CNC machining and automated testing equipment, we ensure every compressor meets microscopic tolerances for absolute perfection.
Rigorous Factory Testing: Before any unit is crated, it undergoes exhaustive pressure, electrical, and thermal stress tests to guarantee zero-defect performance upon arrival.
Dedicated Engineering Support: Our professional team of thermodynamic engineers is always on standby to provide one-on-one selection advice, ensuring you procure the exact model for your specific thermal load.
Navigating the technical specifications of heavy-duty refrigeration equipment can be complex. To assist your procurement and engineering teams, we have compiled a list of the most common technical inquiries regarding our 25HP reciprocating compressors. If you require further clarification on any specific parameters, our technical support staff is ready to assist.
Q1: Can this 25HP compressor operate efficiently in extreme ambient temperatures?
A: Yes, the unit is engineered with high-grade heat dissipation materials and a robust forced-lubrication system, allowing it to maintain stable cooling performance even in environments with elevated ambient temperatures.
Q2: What type of maintenance schedule is recommended for the semi-hermetic structure?
A: We recommend a routine inspection of the oil levels, vibration patterns, and electrical connections every 3,000 hours of operation. The semi-hermetic design allows for easy access to valve plates and oil filters without dismantling the entire system.
Q3: Is it possible to integrate this compressor with an existing building management system (BMS)?
A: Absolutely. The compressor's electrical control parameters and safety switches can be seamlessly wired into modern BMS platforms for real-time monitoring of temperature, current, and operational status.
Q4: How does the crankcase heater function during off-cycles?
A: The 140W crankcase heater automatically engages when the compressor shuts down. This maintains the oil temperature, preventing the refrigerant from condensing into the oil, which ensures a safe, fully lubricated start-up for the next cycle.
Q5: Do you provide custom voltage configurations for different international regions?
A: Yes, while the standard models support 380-420V/50Hz and 440-480V/60Hz, our engineering team can customize the motor windings to accommodate specific regional power grids upon request.
