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High-Pressure Four-Cylinder Refrigeration Compressor BTF4G-30.3G

Discover the BTF4G-30.3G high-pressure four-cylinder reciprocating refrigeration compressor, engineered for strong cooling capacity, stable performance, and long-term industrial reliability. Ideal for demanding refrigeration systems.
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  • BTF4G-30.3G

  • Blait


Product Overview

The BTF4G-30.3G High-Pressure Four-Cylinder Reciprocating Refrigeration Compressor is a heavy-duty solution engineered for superior cooling capacity, stable performance, and 24/7 industrial reliability. As part of Blait’s T-Series, this compressor features a robust four-cylinder design that minimizes vibration, enhances heat dissipation, and delivers consistent cooling output for demanding applications. Optimized for energy efficiency and cost-effectiveness, it supports mainstream refrigerants and adapts to diverse industrial and commercial refrigeration needs, from cold storage to chemical cooling systems.


Reciprocating Compressor BTF4G-30.3G


Core Features

Multi-Cylinder High-Pressure Configuration

The four-cylinder structure (4 × 75 × 55 mm) enables efficient compression of gases to high pressure levels, making it ideal for heavy-duty cooling tasks. Available in single-stage and multi-stage options, it accommodates pressure requirements ranging from low-pressure gas transfer to high-pressure industrial processes.

Positive Piston Locking Technology

Equipped with positively locked pistons, the compressor allows precise setting of end clearance, maximizing efficiency while reducing wear on piston and cylinder components. This design ensures long-term operational stability and consistent performance even under continuous use.

Corrosion-Resistant Critical Components

Critical parts such as crossheads (cast iron) and valve seats are made from corrosion-resistant materials, withstanding harsh operating environments (e.g., chemical cooling, high-humidity settings) and preventing galling or degradation over time.

Pressure-Lubricated Crankcase System

A pressure-lubricated crankcase with an integrated filter ensures continuous lubrication of internal moving parts (crankshaft, connecting rods, bearings). This minimizes premature wear, extends service life, and maintains optimal performance during extended operation.

Customizable Mounting & Configuration Options

Supporting OEM and custom solutions, the compressor offers flexible mounting options (skid-mounted or plant-specific layouts) and configurable parameters (refrigerant type, voltage settings). It adapts to unique project requirements, from standard industrial setups to specialized cooling systems.


Why Choose Blait

Specialized Refrigeration Expertise: Blait focuses exclusively on industrial and commercial refrigeration compressors, with over a decade of manufacturing experience and a proven track record of reliability.

Advanced R&D & Testing: An independent R&D center and collaboration with leading universities drive innovation, while three professional testing stations ensure compliance with GB/T 5773-2004, GB/T 10079-2018, and GB/T 19410-2018 standards.

Energy-Efficient Design: Optimized structures and real-time performance monitoring reduce energy consumption and operating costs without compromising cooling capacity.

Comprehensive Support: Offers professional technical support, installation guidance, operation training, and after-sales service to ensure seamless integration and long-term value.



Technical Specifications

The BTF4G-30.3G compressor boasts a nominal motor power of 30 HP/22 kW and a displacement of 84.5 m³/h (50Hz). It operates on a 380420V/3/50Hz or 400480V/3/60Hz power supply, with a maximum operating current of 53 A and starting current of 135/220 A. Equipped with a 120W crankcase heater and forced lubrication system, it weighs 206 kg (including freezing oil) and features safety protections (overload, oil pressure, temperature, high/low-pressure).

Specification Table

Parameter

Value

Model

BTF4G-30.3G

Brand

Blait

Compressor Type

High-Pressure Four-Cylinder Reciprocating Refrigeration Compressor

Nominal Motor Power

30 HP / 22 kW

Displacement (50Hz)

84.5 m³/h

Cylinder Configuration

4 × 75 × 55 mm (Number × Diameter × Stroke)

Oil Injection Volume

4.5 L

Power Supply

380420V/3/50Hz; 400480V/3/60Hz

Maximum Operating Current

53 A

Starting Current

135/220 A

Crankcase Heater (220V)

120 W

Oil Supply Method

Forced-Lubrication

Weight (Including Freezing Oil)

206 kg

Safety Protections

Overload, Oil Pressure, Temperature, High/Low-Pressure Protection


30.3GE30.3GBTF4G-30.3G

BTF4G-30


Key Applications

The BTF4G-30.3G Compressor excels in high-demand scenarios, including:

Industrial refrigeration systems (electronics, automotive, aerospace test chambers)

Cold storage and cold chain logistics (refrigerated transportation)

Food processing and quick-freezing equipment

Chemical cooling and industrial process cooling

Medical and pharmaceutical refrigeration facilities



Maintenance & Warranty

Maintenance Guidelines

Regularly check oil pressure, temperature, and refrigerant levels to ensure optimal operation.

Inspect lubrication systems and filters for clogs or contamination; replace filters per manufacturer recommendations.

Conduct airtightness and performance tests annually to identify potential issues early.

Follow Blait’s technical manual for proper installation, alignment, and operational parameters.

Warranty Coverage

Blait guarantees the BTF4G-30.3G compressor with a comprehensive warranty (terms available upon request), covering manufacturing defects and performance failures. Our team provides timely technical support and spare parts supply to minimize downtime. For customized maintenance plans or installation assistance, contact our customer service team.


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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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