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BTF4EC-6.3G
Blait
Four-Cylinder Piston-Type Refrigeration Compressor
Product Model：BTF4FC-3.3Z~BTF4CC-9.3G
Displacement：18.05m3 /h~32.48m3 /h
Refrigerating Fluid：Applicable to R22, R404A, R507A and other refrigerants
Application Fields：Commercial refrigeration, small cold storage units, pharmaceutical cold chain and other refrigeration fields.
Advantages
1.High-efficiency；2.Precise Temperature Control；3.Progress Steadily；4.Long service life
Efficient Small Four-Cylinder Piston Compressor for Refrigeration
The S4 Small Four-Cylinder Piston Compressor is designed to deliver exceptional performance and energy efficiency. With a displacement range of 18.05m³/h to 32.48m³/h, it is compatible with refrigerants such as R22, R404A, and R507A, making it ideal for commercial refrigeration, small cold storage units, and medical cooling systems. Its key features include high efficiency, precise temperature control, stable operation, and a long service life. This compressor is a reliable choice for demanding refrigeration needs, ensuring smooth performance across various high, medium, and low-temperature working conditions.
Performance Range for High-Pressure Four-Cylinder Reciprocating Compressors
These charts showcase the operational range of the Energy-Saving Piston Small Four-cylinder Reciprocating Compressors, compatible with R22, R404A, and R507A refrigerants. Highlighted zones indicate optimal cooling performance with additional fan or suction gas superheat control.
Boundary Dimension And Location Dimension Of Bore Diameter Suction Gas Port And Discharge Gas Port
Suction and exhaust valve connection size (mm)
| Type | ③ |
| BTF4EC-6.3G | |
| SL | 28(11/8") |
| DL | 16(5/8") |
FEATURES & ADVANTAGES
Optimized Body Design
The compressor features a newly enhanced body structure with a novel appearance, increased structural strength, and improved durability. The cylinder bore hardening process ensures long-lasting performance in demanding refrigeration applications.
Enhanced Cylinder Head
The advanced cylinder head design reduces exhaust pulses and operating noise, providing quieter and more efficient operation suitable for high-pressure refrigeration systems.
Improved Valve Plate
The newly optimized valve plate improves exhaust efficiency while enhancing shock resistance, ensuring stable performance even under heavy-duty conditions.
Redesigned Motor
With a focus on operational efficiency, the new motor design increases overload capacity and expands the operating range, making it ideal for a wide variety of refrigeration applications.
Advanced Bearings
The new bearings improve lubrication effectiveness and significantly reduce the risk of shaft seizure, ensuring smooth and reliable operation over time.
Refined Piston Structure
The updated piston design reduces clearance volume, while the thinner piston rings minimize friction loss, resulting in higher energy efficiency and enhanced overall performance.
ASSEMBLY PARTS
▲ Standard accessories
▪KRIWAN Electronic Oil Pressure Differential SwitchK
▪RIWAN Motor Protection Modules
▪Temperature Sensor
▲ Optional accessories
▪Capacity Control
The four-cylinder models have 50% and 100% two
stages loading adjustable The six-cylinder models
have 34%,67% and 100% three stages loading adjustable.
▪Cylinder Head Fan
Physical cooling
KRIWAN Electronic Oil Pressure Differential Switch: Ensures safe and efficient oil pressure management during operation.
RIWAN Motor: High-performance motor designed for reliable and consistent performance.
Protection Modules: Safeguards the compressor system from unexpected faults and operational risks.
Temperature Sensor: Provides precise monitoring to maintain optimal operational conditions.
Optional Accessories
Capacity Control: Offers adjustable loading stages for enhanced efficiency. Four-cylinder models support 50% and 100% two-stage loading, while six-cylinder models offer 34%, 67%, and 100% three-stage loading adjustments.
Cylinder Head Fan: Improves physical cooling, ensuring stable performance under high-pressure conditions.
These advanced assembly parts contribute to the compressor's durability, efficiency, and adaptability, making it a reliable choice for various refrigeration applications.
TECHNICAL PARAMETER
| Compressor type | Nominal motor power (HP/kW) | Displacement (50Hz)m/h | Number of Cylinder xDiameter xStroke (mm) | Oil injection volume (L) | Power supply (V/φ/Hz) | Electrical parameter | Crankcase Heater(220V) (W) | Oil supply method | Weight (including freezing oil)(Kg) | |
| Max operating current (A) | Starting current /rotorlocked current operating current (A) | |||||||||
| BTF4EC-6.3G | 6/4.4 | 22.72 | 4xφ41x39.3 | 2 | PW 220 - 240△ 380~420YY/3/50 265 ~ 290△ 400~480Y/3/60 | 22.9/13.2 | 107.7/62.2 | 100 | Centrifgal lubrcation | 85 |
PERFORMANCE PARAMETER (R22)
Fregency 50 hz
Relating to 20'C suction gas temperature
Without liquid subcooling
<
| Compressor type | Cond temp（℃） | Qo(kw) Pe(kW) | Qo (kw) Cooling capacity Pe (kW) Power consumption | ||||||||||||
| Evaporating temperatue (C ) | |||||||||||||||
| 12.5 | 10 | 7.5 | 5 | 0 | -5 | -10 | -15 | -20 | -25 | -30 | -35 | -40 | |||
| BTF4EC-6.3GR | 30 | Qo | 30.46 | 27.89 | 25.5 | 23.27 | 19.26 | 15.8 | 12.82 | 10.27 | 8.12 | 6.31 | 4.8 | ||
| Pe | 3.85 | 3.93 | 3.99 | 4.02 | 4.01 | 3.92 | 3.75 | 3.52 | 3.25 | 2.93 | 2.58 | ||||
| 40 | Qo | 27.03 | 24.72 | 22.56 | 20.55 | 16.94 | 13.82 | 11.14 | 8.86 | 6.93 | 5.32 | 3.97 | |||
| Pe | 5.06 | 5.06 | 5.03 | 4.98 | 4.82 | 4.59 | 4.3 | 3.95 | 3.56 | 3.15 | 2.72 | ||||
| 50 | Qo | 23.73 | 21.68 | 19,76 | 17.98 | 14.76 | 11.99 | 9.61 | 7.59 | 5.89 | 4.47 | ||||
| Pe | 6.19 | 6.11 | 6 | 5.88 | 5.58 | 5.22 | 4.81 | 4.35 | 3.87 | 3.36 | |||||
Note for the operation issues.please check the technical measures of application range.
PERFORMANCE PARAMETER (R404A / R507A)
Fregency 50 hz
Relating to 20'C suction gas temperature
Without liquid subcooling
<
| Compressor type | Cond temp（℃） | Qo(kw) Pe(kW) | Qo (kw) Cooling capacity Pe (kW) Power consumption | |||||||||||
| Evaporating temperatue (C ) | ||||||||||||||
| 7.5 | 5 | 0 | -5 | -10 | -15 | -20 | -25 | -30 | -35 | -40 | -45 | |||
| BTF4EC-6.3GE | 30 | Qo | 28.58 | 26.12 | 21.69 | 17.87 | 14.59 | 11.79 | 9.42 | 7.43 | 5.76 | 4.38 | 3.22 | |
| Pe | 4.69 | 4.7 | 4.65 | 4.51 | 4.31 | 4.04 | 3.73 | 3.38 | 3.01 | 2.62 | 2.24 | |||
| 40 | Qo | 24.26 | 22.16 | 18.37 | 15.09 | 12.27 | 9.86 | 7.83 | 6.12 | 4.7 | 3.52 | 2.54 | ||
| Pe | 5.79 | 5.72 | 5.52 | 5.24 | 4.9 | 4.52 | 4.09 | 3.64 | 3.18 | 2.71 | 2.26 | |||
| 50 | Qo | 19.72 | 17.99 | 14.87 | 12.16 | 9.83 | 7.85 | 6.17 | 4.77 | 3.6 | 2.64 | 1.85 | ||
| Pe | 6.72 | 6.57 | 6.22 | 5.81 | 5.35 | 4.85 | 4.33 | 3.78 | 3.24 | 2.7 | 2.19 | |||
Note for the operation issues.please check the technical measures of application range.
Please refer to the Blait compressor selection software for the input power and cooling capacity parameters
of R404A/R507Aat evaporating temperatures below -30°℃.
Four-Cylinder Piston-Type Refrigeration Compressor
Product Model：BTF4FC-3.3Z~BTF4CC-9.3G
Displacement：18.05m3 /h~32.48m3 /h
Refrigerating Fluid：Applicable to R22, R404A, R507A and other refrigerants
Application Fields：Commercial refrigeration, small cold storage units, pharmaceutical cold chain and other refrigeration fields.
Advantages
1.High-efficiency；2.Precise Temperature Control；3.Progress Steadily；4.Long service life
Efficient Small Four-Cylinder Piston Compressor for Refrigeration
The S4 Small Four-Cylinder Piston Compressor is designed to deliver exceptional performance and energy efficiency. With a displacement range of 18.05m³/h to 32.48m³/h, it is compatible with refrigerants such as R22, R404A, and R507A, making it ideal for commercial refrigeration, small cold storage units, and medical cooling systems. Its key features include high efficiency, precise temperature control, stable operation, and a long service life. This compressor is a reliable choice for demanding refrigeration needs, ensuring smooth performance across various high, medium, and low-temperature working conditions.
Performance Range for High-Pressure Four-Cylinder Reciprocating Compressors
These charts showcase the operational range of the Energy-Saving Piston Small Four-cylinder Reciprocating Compressors, compatible with R22, R404A, and R507A refrigerants. Highlighted zones indicate optimal cooling performance with additional fan or suction gas superheat control.
Boundary Dimension And Location Dimension Of Bore Diameter Suction Gas Port And Discharge Gas Port
Suction and exhaust valve connection size (mm)
| Type | ③ |
| BTF4EC-6.3G | |
| SL | 28(11/8") |
| DL | 16(5/8") |
FEATURES & ADVANTAGES
Optimized Body Design
The compressor features a newly enhanced body structure with a novel appearance, increased structural strength, and improved durability. The cylinder bore hardening process ensures long-lasting performance in demanding refrigeration applications.
Enhanced Cylinder Head
The advanced cylinder head design reduces exhaust pulses and operating noise, providing quieter and more efficient operation suitable for high-pressure refrigeration systems.
Improved Valve Plate
The newly optimized valve plate improves exhaust efficiency while enhancing shock resistance, ensuring stable performance even under heavy-duty conditions.
Redesigned Motor
With a focus on operational efficiency, the new motor design increases overload capacity and expands the operating range, making it ideal for a wide variety of refrigeration applications.
Advanced Bearings
The new bearings improve lubrication effectiveness and significantly reduce the risk of shaft seizure, ensuring smooth and reliable operation over time.
Refined Piston Structure
The updated piston design reduces clearance volume, while the thinner piston rings minimize friction loss, resulting in higher energy efficiency and enhanced overall performance.
ASSEMBLY PARTS
▲ Standard accessories
▪KRIWAN Electronic Oil Pressure Differential SwitchK▪RIWAN Motor Protection Modules▪Temperature Sensor
▲ Optional accessories
▪Capacity Control
The four-cylinder models have 50% and 100% two
stages loading adjustable The six-cylinder models
have 34%,67% and 100% three stages loading adjustable.
▪Cylinder Head Fan
Physical cooling
KRIWAN Electronic Oil Pressure Differential Switch: Ensures safe and efficient oil pressure management during operation.
RIWAN Motor: High-performance motor designed for reliable and consistent performance.
Protection Modules: Safeguards the compressor system from unexpected faults and operational risks.
Temperature Sensor: Provides precise monitoring to maintain optimal operational conditions.
Optional Accessories
Capacity Control: Offers adjustable loading stages for enhanced efficiency. Four-cylinder models support 50% and 100% two-stage loading, while six-cylinder models offer 34%, 67%, and 100% three-stage loading adjustments.
Cylinder Head Fan: Improves physical cooling, ensuring stable performance under high-pressure conditions.
These advanced assembly parts contribute to the compressor's durability, efficiency, and adaptability, making it a reliable choice for various refrigeration applications.
TECHNICAL PARAMETER
| Compressor type | Nominal motor power (HP/kW) | Displacement (50Hz)m/h | Number of Cylinder xDiameter xStroke (mm) | Oil injection volume (L) | Power supply (V/φ/Hz) | Electrical parameter | Crankcase Heater(220V) (W) | Oil supply method | Weight (including freezing oil)(Kg) | |
| Max operating current (A) | Starting current /rotorlocked current operating current (A) | |||||||||
| BTF4EC-6.3G | 6/4.4 | 22.72 | 4xφ41x39.3 | 2 | PW 220 - 240△ 380~420YY/3/50 265 ~ 290△ 400~480Y/3/60 | 22.9/13.2 | 107.7/62.2 | 100 | Centrifgal lubrcation | 85 |
PERFORMANCE PARAMETER (R22)
Fregency 50 hz
Relating to 20'C suction gas temperature
Without liquid subcooling
<
| Compressor type | Cond temp（℃） | Qo(kw) Pe(kW) | Qo (kw) Cooling capacity Pe (kW) Power consumption | ||||||||||||
| Evaporating temperatue (C ) | |||||||||||||||
| 12.5 | 10 | 7.5 | 5 | 0 | -5 | -10 | -15 | -20 | -25 | -30 | -35 | -40 | |||
| BTF4EC-6.3GR | 30 | Qo | 30.46 | 27.89 | 25.5 | 23.27 | 19.26 | 15.8 | 12.82 | 10.27 | 8.12 | 6.31 | 4.8 | ||
| Pe | 3.85 | 3.93 | 3.99 | 4.02 | 4.01 | 3.92 | 3.75 | 3.52 | 3.25 | 2.93 | 2.58 | ||||
| 40 | Qo | 27.03 | 24.72 | 22.56 | 20.55 | 16.94 | 13.82 | 11.14 | 8.86 | 6.93 | 5.32 | 3.97 | |||
| Pe | 5.06 | 5.06 | 5.03 | 4.98 | 4.82 | 4.59 | 4.3 | 3.95 | 3.56 | 3.15 | 2.72 | ||||
| 50 | Qo | 23.73 | 21.68 | 19,76 | 17.98 | 14.76 | 11.99 | 9.61 | 7.59 | 5.89 | 4.47 | ||||
| Pe | 6.19 | 6.11 | 6 | 5.88 | 5.58 | 5.22 | 4.81 | 4.35 | 3.87 | 3.36 | |||||
Note for the operation issues.please check the technical measures of application range.
PERFORMANCE PARAMETER (R404A / R507A)
Fregency 50 hz
Relating to 20'C suction gas temperature
Without liquid subcooling
<
| Compressor type | Cond temp（℃） | Qo(kw) Pe(kW) | Qo (kw) Cooling capacity Pe (kW) Power consumption | |||||||||||
| Evaporating temperatue (C ) | ||||||||||||||
| 7.5 | 5 | 0 | -5 | -10 | -15 | -20 | -25 | -30 | -35 | -40 | -45 | |||
| BTF4EC-6.3GE | 30 | Qo | 28.58 | 26.12 | 21.69 | 17.87 | 14.59 | 11.79 | 9.42 | 7.43 | 5.76 | 4.38 | 3.22 | |
| Pe | 4.69 | 4.7 | 4.65 | 4.51 | 4.31 | 4.04 | 3.73 | 3.38 | 3.01 | 2.62 | 2.24 | |||
| 40 | Qo | 24.26 | 22.16 | 18.37 | 15.09 | 12.27 | 9.86 | 7.83 | 6.12 | 4.7 | 3.52 | 2.54 | ||
| Pe | 5.79 | 5.72 | 5.52 | 5.24 | 4.9 | 4.52 | 4.09 | 3.64 | 3.18 | 2.71 | 2.26 | |||
| 50 | Qo | 19.72 | 17.99 | 14.87 | 12.16 | 9.83 | 7.85 | 6.17 | 4.77 | 3.6 | 2.64 | 1.85 | ||
| Pe | 6.72 | 6.57 | 6.22 | 5.81 | 5.35 | 4.85 | 4.33 | 3.78 | 3.24 | 2.7 | 2.19 | |||
Note for the operation issues.please check the technical measures of application range.
Please refer to the Blait compressor selection software for the input power and cooling capacity parameters
of R404A/R507Aat evaporating temperatures below -30°℃.
