BTF4VCS-6.3Z is a medium-capacity four-cylinder T-Series piston refrigeration compressor designed for industrial cooling systems, offering stable performance, high efficiency, and reliable continuous operation.
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BTF4VCS-6.3Z
Blait
The BTF4VCS-6.3Z is a versatile medium four-cylinder T-Series piston compressor developed by Blait for industrial cooling systems. Tailored to handle extreme temperature ranges (-50℃ evaporation to 50℃ condensing), this compressor combines stability, efficiency, and flexibility—making it ideal for medium-low to high-temperature industrial refrigeration needs. With a 34.73 m³/h displacement (50Hz) and 6 HP (4.4 kW) motor, it supports R22, R404A, and R134a refrigerants, adapting to diverse industrial scenarios.

Operates reliably at -50℃ evaporation temperature (compatible with R22/R404A) and up to 50℃ condensing temperature, suitable for cold storage and heat pump applications.
Thermal-resistant coatings on valve plates and a dedicated oil cooling loop prevent overheating in high-temperature environments.
Features dynamic balancing technology that reduces vibration to <3.5 mm/s, minimizing stress on pipelines and installations.
Noise levels reach only 72 dB(A) at 1 meter, complying with ISO 3744 standards—ideal for noise-sensitive industrial areas.
Offers 25%-100% stepless capacity regulation (optional) to match variable cooling demands, reducing energy waste.
Supports dual power supplies: 380V-420V (3PH/50Hz) and 440V-480V (3PH/60Hz), adapting to global industrial power standards.
Blait’s expertise ensures the BTF4VCS-6.3Z meets rigorous industrial standards, with key advantages including:
Precision Manufacturing: Uses automated assembly lines with ±0.005mm machining tolerance, ensuring component accuracy and operational efficiency.
Lifecycle Testing: Conducts 2000-hour accelerated endurance testing and material wear analysis, guaranteeing a 20,000-hour Mean Time Between Failures (MTBF).
Global Distribution & Support: Maintains a network of partners across 60+ countries, providing timely delivery and on-site service for international clients.
Customization: Offers optional oil systems (e.g., oil separator, pressure differential protection) and OEM solutions to fit specific project needs.
The BTF4VCS-6.3Z is a versatile medium four-cylinder T-Series piston compressor developed by Blait for industrial cooling systems. Tailored to handle extreme temperature ranges (-50℃ evaporation to 50℃ condensing), this compressor combines stability, efficiency, and flexibility—making it ideal for medium-low to high-temperature industrial refrigeration needs. With a 34.73 m³/h displacement (50Hz) and 6 HP (4.4 kW) motor, it supports R22, R404A, and R134a refrigerants, adapting to diverse industrial scenarios.

Operates reliably at -50℃ evaporation temperature (compatible with R22/R404A) and up to 50℃ condensing temperature, suitable for cold storage and heat pump applications.
Thermal-resistant coatings on valve plates and a dedicated oil cooling loop prevent overheating in high-temperature environments.
Features dynamic balancing technology that reduces vibration to <3.5 mm/s, minimizing stress on pipelines and installations.
Noise levels reach only 72 dB(A) at 1 meter, complying with ISO 3744 standards—ideal for noise-sensitive industrial areas.
Offers 25%-100% stepless capacity regulation (optional) to match variable cooling demands, reducing energy waste.
Supports dual power supplies: 380V-420V (3PH/50Hz) and 440V-480V (3PH/60Hz), adapting to global industrial power standards.
Blait’s expertise ensures the BTF4VCS-6.3Z meets rigorous industrial standards, with key advantages including:
Precision Manufacturing: Uses automated assembly lines with ±0.005mm machining tolerance, ensuring component accuracy and operational efficiency.
Lifecycle Testing: Conducts 2000-hour accelerated endurance testing and material wear analysis, guaranteeing a 20,000-hour Mean Time Between Failures (MTBF).
Global Distribution & Support: Maintains a network of partners across 60+ countries, providing timely delivery and on-site service for international clients.
Customization: Offers optional oil systems (e.g., oil separator, pressure differential protection) and OEM solutions to fit specific project needs.
The BTF4VCS-6.3Z has a four-cylinder design (φ55mm bore × 42mm stroke) and a 120 kg net weight (with oil). It includes a 220V, 120W crankcase heater and uses a part-winding start motor (PW) for smooth startup. Max working current is 39A, with a 68A startup/locked rotor current.
Parameter | Details |
Model | BTF4VCS-6.3Z Medium Four-Cylinder T-Series Piston Compressor |
Displacement (50Hz) | 34.73 m³/h |
Compatible Refrigerants | R22, R404A, R134a (high-temperature use) |
Cylinder Configuration | 4 × φ55mm bore × 42mm stroke |
Motor Power | 6 HP (4.4 kW) |
Power Supply | 380V-420V (3PH/50Hz); 440V-480V (3PH/60Hz) |
Net Weight (with oil) | 120 kg |
Max Working Current | 39 A |
Lubrication Method | Forced lubrication |
Crankcase Heater | 220V, 120 W |
Operating Temperatures | -50℃ (evaporation); ≤50℃ (condensing) |
Optional Oil System | Oil flow switch, oil separator, oil pressure differential protection |
The BTF4VCS-6.3Z has a four-cylinder design (φ55mm bore × 42mm stroke) and a 120 kg net weight (with oil). It includes a 220V, 120W crankcase heater and uses a part-winding start motor (PW) for smooth startup. Max working current is 39A, with a 68A startup/locked rotor current.
Parameter | Details |
Model | BTF4VCS-6.3Z Medium Four-Cylinder T-Series Piston Compressor |
Displacement (50Hz) | 34.73 m³/h |
Compatible Refrigerants | R22, R404A, R134a (high-temperature use) |
Cylinder Configuration | 4 × φ55mm bore × 42mm stroke |
Motor Power | 6 HP (4.4 kW) |
Power Supply | 380V-420V (3PH/50Hz); 440V-480V (3PH/60Hz) |
Net Weight (with oil) | 120 kg |
Max Working Current | 39 A |
Lubrication Method | Forced lubrication |
Crankcase Heater | 220V, 120 W |
Operating Temperatures | -50℃ (evaporation); ≤50℃ (condensing) |
Optional Oil System | Oil flow switch, oil separator, oil pressure differential protection |
Medium-Low Temperature Cold Storage: Ideal for freezing warehouses and cold rooms storing seafood, meat, or frozen goods.
Industrial Heat Pumps: Suitable for high-temperature heat pump systems in manufacturing and district heating.
Food Processing Cold Chains: Maintains stable temperatures for food processing lines (e.g., dairy, bakery) and logistics centers.
Industrial Refrigeration: Supports cooling for plastic molding, electronics manufacturing, and chemical processing equipment.
Medium-Low Temperature Cold Storage: Ideal for freezing warehouses and cold rooms storing seafood, meat, or frozen goods.
Industrial Heat Pumps: Suitable for high-temperature heat pump systems in manufacturing and district heating.
Food Processing Cold Chains: Maintains stable temperatures for food processing lines (e.g., dairy, bakery) and logistics centers.
Industrial Refrigeration: Supports cooling for plastic molding, electronics manufacturing, and chemical processing equipment.
Routine Maintenance: Replace lubricant every 8,000 operating hours; inspect valve plates annually; lubricate bearings every 6 months.
Warranty: 24-month limited warranty, covering motor, compressor body, and standard accessories.
Technical Support: Blait provides video tutorials, online diagnostics, and on-site service for contract clients, ensuring minimal downtime.
Routine Maintenance: Replace lubricant every 8,000 operating hours; inspect valve plates annually; lubricate bearings every 6 months.
Warranty: 24-month limited warranty, covering motor, compressor body, and standard accessories.
Technical Support: Blait provides video tutorials, online diagnostics, and on-site service for contract clients, ensuring minimal downtime.
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