Blait is the leading industrial compressor manufacturer and supplier in China. As a premium manufacturer, we provide an extensive range of heavy-duty compressors for specialized applications. We proudly deliver our industry-certified YBF6F-20.2DS Low Temperature 30 HP Two-Stage Compressor engineered for optimal performance in freezing environments. Experience energy-efficient operation with our dual-stage compression technology, request specifications today!
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YBF6F-20.2DS
Blait
Blait’s YBF6F-20.2DS Low-Temperature 30 HP Two-Stage Compressor is engineered for extreme cold environments, delivering stable performance at evaporating temperatures as low as -70℃. Its dual-stage compression technology reduces discharge temperature and energy consumption, making it a top choice for frozen food processing, chemical refrigeration, and deep-freeze storage. With a 30HP/22kW motor and 6-cylinder design, it balances power and efficiency for heavy-duty low-temperature needs.

Dual-Stage Compression: Two sequential compression phases gradually increase refrigerant pressure, lowering exhaust temperature and improving efficiency by 15–20% vs. single-stage models.
Wide Low-Temperature Range: Operates reliably at evaporating temperatures of -70℃ to -20℃, suitable for deep-freeze applications.
Advanced Lubrication System: Forced oil pump with POE 170/150 oil (hygroscopic, low friction) and a magnetic oil filter prevents component wear.
Comprehensive Safety Protections: Includes exhaust temperature sensors, phase sequence protection, oil flow monitoring, and thermal overload guards—critical for low-temperature reliability.
Modular Maintenance Design: Easy-to-replace components (e.g., filters, seals) minimize downtime and repair costs.
Low Noise Operation: Optimized mass balancing for 6-cylinder models reduces vibration, ensuring quiet performance in industrial settings.
Low-Temperature Expertise: Blait specializes in cold-environment compressors, with test stations covering -40℃ to 50℃ and calibrated instruments (e.g., Danfoss sensors) validated by CNIM.
Innovative R&D: Collaborates with Xi’an Jiaotong University to optimize screw rotor profiles and uses computational fluid dynamics (CFD) for efficiency testing.
Durability Focus: Conducts 500+ hour endurance tests and upgrades bearing/lubrication technologies every 24 months to extend service life.
Global Compliance: Meets ISO 1217:2009 efficiency standards and ASME B31.5 for corrosion resistance (compatible with ammonia/NH₃).
Blait’s YBF6F-20.2DS Low-Temperature 30 HP Two-Stage Compressor is engineered for extreme cold environments, delivering stable performance at evaporating temperatures as low as -70℃. Its dual-stage compression technology reduces discharge temperature and energy consumption, making it a top choice for frozen food processing, chemical refrigeration, and deep-freeze storage. With a 30HP/22kW motor and 6-cylinder design, it balances power and efficiency for heavy-duty low-temperature needs.

Dual-Stage Compression: Two sequential compression phases gradually increase refrigerant pressure, lowering exhaust temperature and improving efficiency by 15–20% vs. single-stage models.
Wide Low-Temperature Range: Operates reliably at evaporating temperatures of -70℃ to -20℃, suitable for deep-freeze applications.
Advanced Lubrication System: Forced oil pump with POE 170/150 oil (hygroscopic, low friction) and a magnetic oil filter prevents component wear.
Comprehensive Safety Protections: Includes exhaust temperature sensors, phase sequence protection, oil flow monitoring, and thermal overload guards—critical for low-temperature reliability.
Modular Maintenance Design: Easy-to-replace components (e.g., filters, seals) minimize downtime and repair costs.
Low Noise Operation: Optimized mass balancing for 6-cylinder models reduces vibration, ensuring quiet performance in industrial settings.
Low-Temperature Expertise: Blait specializes in cold-environment compressors, with test stations covering -40℃ to 50℃ and calibrated instruments (e.g., Danfoss sensors) validated by CNIM.
Innovative R&D: Collaborates with Xi’an Jiaotong University to optimize screw rotor profiles and uses computational fluid dynamics (CFD) for efficiency testing.
Durability Focus: Conducts 500+ hour endurance tests and upgrades bearing/lubrication technologies every 24 months to extend service life.
Global Compliance: Meets ISO 1217:2009 efficiency standards and ASME B31.5 for corrosion resistance (compatible with ammonia/NH₃).
The YBF6F-20.2DS features a 6-cylinder design (φ70×70×55.0 mm), 4.75L oil capacity, and 380–480V/3-phase/50–60Hz power compatibility. Its cooling capacity ranges from 4.23–35.5kW (R22) and 2.74–31.9kW (R404A/R507A), tailored for extreme cold.
Parameter | Details |
Model | YBF6F-20.2DS |
Compressor Type | Low-Temperature Two-Stage |
Motor Power | 30HP / 22kW |
Cylinder Configuration | 6 cylinders (φ70×70×55.0 mm) |
Air Displacement | 73.6 m³/h (Low Pressure); 36.9 m³/h (High Pressure) |
Oil Capacity | 4.75L |
Power Supply | 380–480V / 3-phase / 50–60Hz |
Max Operating Current | 37A |
Crankcase Heater | 140W / 220V |
Weight (with oil) | 220kg |
Gas Ports | SL: 42mm (1 5/8"); DL: 35mm (1 3/8") |
Refrigerants | R22, R404A, R507A, NH₃ (ammonia) |
Cooling Capacity (R22) | 4.23–35.5kW |
Cooling Capacity (R404A/R507A) | 2.74–31.9kW |
Operational Range | Evaporating Temp: -70℃ to -20℃; Condensing Temp: 30℃ to 55℃ |
The YBF6F-20.2DS features a 6-cylinder design (φ70×70×55.0 mm), 4.75L oil capacity, and 380–480V/3-phase/50–60Hz power compatibility. Its cooling capacity ranges from 4.23–35.5kW (R22) and 2.74–31.9kW (R404A/R507A), tailored for extreme cold.
Parameter | Details |
Model | YBF6F-20.2DS |
Compressor Type | Low-Temperature Two-Stage |
Motor Power | 30HP / 22kW |
Cylinder Configuration | 6 cylinders (φ70×70×55.0 mm) |
Air Displacement | 73.6 m³/h (Low Pressure); 36.9 m³/h (High Pressure) |
Oil Capacity | 4.75L |
Power Supply | 380–480V / 3-phase / 50–60Hz |
Max Operating Current | 37A |
Crankcase Heater | 140W / 220V |
Weight (with oil) | 220kg |
Gas Ports | SL: 42mm (1 5/8"); DL: 35mm (1 3/8") |
Refrigerants | R22, R404A, R507A, NH₃ (ammonia) |
Cooling Capacity (R22) | 4.23–35.5kW |
Cooling Capacity (R404A/R507A) | 2.74–31.9kW |
Operational Range | Evaporating Temp: -70℃ to -20℃; Condensing Temp: 30℃ to 55℃ |
Frozen Food Processing: Ideal for freezing and storing meat, seafood, and pre-packaged frozen meals.
Chemical Refrigeration: Suitable for cooling low-temperature chemical reactions and storing temperature-sensitive chemicals.
Deep-Freeze Storage: Used in pharmaceutical cold chains and industrial deep-freeze warehouses (-50℃ to -70℃).
Frozen Food Processing: Ideal for freezing and storing meat, seafood, and pre-packaged frozen meals.
Chemical Refrigeration: Suitable for cooling low-temperature chemical reactions and storing temperature-sensitive chemicals.
Deep-Freeze Storage: Used in pharmaceutical cold chains and industrial deep-freeze warehouses (-50℃ to -70℃).
Lubrication Checks: Every 500 operating hours (replace oil if contaminated).
Regular Inspections: Every 3 months, check extension arm torque (if equipped) and sensor functionality.
Full Service: Annually or every 4,000 hours (replace seals, bearings, and oil filters).
Warranty: 24-month warranty on the compressor body; 12-month coverage for extension arms and seals. Blait provides refrigerant-specific operating guidelines upon request.
Lubrication Checks: Every 500 operating hours (replace oil if contaminated).
Regular Inspections: Every 3 months, check extension arm torque (if equipped) and sensor functionality.
Full Service: Annually or every 4,000 hours (replace seals, bearings, and oil filters).
Warranty: 24-month warranty on the compressor body; 12-month coverage for extension arms and seals. Blait provides refrigerant-specific operating guidelines upon request.
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