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Four-Cylinder Refrigeration Piston Compressor BTF4VCS-6.3Z

BTF4VCS-6.3Z~BTF4NCS-20.3G 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.

Availability:
Quantity:
  • BTF4VCS-6.3Z~BTF4NCS-20.3G

  • Blait


Product Overview


微信图片_2026-05-12_160920_929

M4 PISTON COMPRESSOR

· Product Model:BTF4VCS-6.3Z~BTF4NCS-20.3G

· Displacement:34.73m3/h~56.35m3/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.


微信图片_2026-05-09_141153_470

KRIWAN

Electronic Oil Pressure Differential Switch


微信图片_2026-05-09_143219_862

KRIWAN

Motor Protection Modules


微信图片_2026-05-09_144027_956

Temperature Sensor


微信图片_2026-05-09_144209_165

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


微信图片_2026-05-09_144357_989

Cylinder Head Fan

Physical cooling



Advantage

1. Stable operation across a wide temperature range, effortlessly handling extreme conditions

The compressor operates stably under extreme conditions with evaporation temperatures as low as -50°C and condensation temperatures as high as 50°C. It supports a variety of refrigerants, including R22, R404A, and R134a, making it suitable for a wide range of industrial refrigeration applications from medium-low to high temperatures. The valve plate features a heat-resistant coating and is equipped with a dedicated oil cooling circuit, effectively preventing overheating in high-temperature environments.


2. Low vibration and low noise, enhancing installation and user experience

Dynamic balancing technology reduces vibration to <3.5 mm/s, significantly reducing stress on piping and installation structures. Noise levels are only 72 dB(A) at a distance of 1 meter, compliant with ISO 3744 standards, making it suitable for noise-sensitive industrial environments.


3. Flexible capacity adjustment for precise matching of load requirements

Optional stepless capacity adjustment from 25% to 100% allows for flexible output adjustment based on real-time cooling needs, effectively reducing energy waste.


4. Dual-Voltage Compatibility, Adapting to Global Industrial Power Standards

Supports dual power supply configurations of 380V–420V (3-phase/50 Hz) and 440V–480V (3-phase/60 Hz), meeting industrial power standards in various countries and regions to facilitate the implementation of international projects.


5. Precision Manufacturing, Reliable Quality

Utilizing automated assembly lines with machining precision of ±0.005mm, ensuring precise alignment of core components and operational efficiency.


6. Rigorous Testing, Guaranteed Long Service Life

Having undergone 2,000 hours of accelerated endurance testing and material wear analysis, the Mean Time Between Failures (MTBF) reaches up to 20,000 hours, meeting the demands of continuous industrial operation.


7. Global Service Network, Prompt Response

With partners in over 60 countries, we provide timely delivery and on-site service to support after-sales support for international customers.


8. Flexible Customization, Meeting Project-Specific Needs

Optional oil separation systems and differential pressure protection are available, along with OEM solutions, to accommodate the unique requirements of different projects.





Technical Specifications

Key Parameters (Text Summary)

Detailed Specification Table

Compressor type

BTF4VCS-6.3Z~BTF4NCS-20.3G

Nominal motor power

(HP/kW)

6/4.4~20/15

Displacement (50Hz)

m3/h

34.73~56.25

Number of Cylinder x Diameter x Stroke

(mm)

4×φ55×42~4×φ70×42

Oil injection volume

(L)

2.6

Power supply

(V / Φ / Hz)

380 ~ 420YY /3/50

440 ~ 480YY /3/60

Max operating current

(A)

16.6~33.2

Starting current / rotorlocked current operating current

(A)

39.0/68.0~97.0/158.0

Crankcase Heater (220V)

(W)

120

Oil supply method

Centrifugal lubrication

Forced lubrication

Weight (including freezing oil)

(Kg)

117~138


APPLICATION SCOPE

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BOUNDARY DIMENSION AND LOCATION DIMENSION OF BORE DIAMETER SUCTION GAS PORT AND DISCHARGE GAS PORT

微信图片_2026-05-13_090657_647

Suction and discharge valve connection size (mm)

微信图片_2026-05-13_090800_399

PERFORMANCE PARAMETER

38a45941-d369-415d-8831-d23c9d0c9f54

bec4a77d-467e-4994-af4a-aa7800a27480



Maintenance & Warranty

Routine Maintenance: Replace lubricant every 8,000 operating hours; inspect valve plates annually; lubricate bearings every 6 months.

Warranty: 12-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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Zhejiang Briliant Refrigeration Equipment Co., Ltd. is a professional manufacturing enterprise that specializes in compressor design, research and development, production, and sales.
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