YBF6F-20.2DS Low Temperature 30 HP Two-Stage Compressor

Technical Parameter

Blait delivers industrial-grade refrigeration solutions with the YBF6F-20.2DS compressor. Designed for extreme cold environments, this two-stage unit ensures stable operation at evaporating temperatures as low as -70°C.

Core Specifications
Rated power: 20 HP (15 kW).
Air delivery capacity: 73.6 m³/h (low pressure), 36.9 m³/h (high pressure).
Operates on R22, R404A, and R507A refrigerants. Compatible with 380-480V/3-phase/50-60Hz power supply.

Performance Highlights
Maintains cooling capacities from 35.5 kW to 4.23 kW (R22/R507A) across -70°C to 30°C evaporating/condensing ranges. Forced lubrication system ensures minimal wear under heavy loads.

Structural Features
6-cylinder configuration (φ70/70x55.0 mm) with magnetic screw oil filtration. Includes crankcase heater (140W) to prevent oil viscosity issues in sub-zero startups.

Connection Standardization
SL (42mm) and DL (35mm) gas ports. 16 labeled interfaces for sensors, hydraulic controls, and pressure monitoring. Simplified maintenance via oil fill/drain ports (positions 5-6).

Operational Safety
Max operating current: 37A. Built-in thermal protection via exhaust temperature sensors (position 2). Weight: 220 kg with pre-filled lubricant.

Download dimensional drawings and full performance tables for system integration planning. Contact Blait for refrigerant-specific operating guidelines.

Features of YBF6F-20.2DS Low-Temperature 30 HP Two-Stage Compressor

The Brilliant YBF6F-20.2DS is a dual-stage compressor engineered for low-temperature applications, featuring energy efficiency, extended durability, and adaptability. Designed for industrial refrigeration systems, it supports evaporation temperatures as low as -70°C and integrates modular components for simplified maintenance.

Key Features

1. Dual-Stage Compression

• Two compression phases gradually increase refrigerant pressure.

• Reduces discharge temperature and improves efficiency across diverse operating conditions.

2. Energy-Efficient Design

• High-efficiency valve plates made of shock-resistant spring steel.

• Minimal dead space design and heavy-duty motor configuration.

3. Extended Service Life

• Low-friction piston rods, chrome-plated piston rings, hardened crankshaft.

• Large-capacity oil pump and patented oil return system enhance reliability.

4. Dual Motor Compatibility

• Supports two motor configurations for flexible adaptation to operational demands.

5. Low Noise and Vibration

• Optimized mass balancing in 2/4/6-cylinder models ensures smooth operation.

6. Comprehensive Safety Protections

• Standard: Motor temperature (PTC), exhaust temperature, phase sequence, and oil flow protection.

• Optional: Oil pressure/temperature, high/low pressure, oil level, and motor overload protection.

7. Advanced Lubrication System

• Includes oil filter, flow switch, separator, heater, cooler (optional), and check valve.

• Uses POE 170/150 oil; requires careful handling due to hygroscopic properties.

8. CIC System (Optional)

• Electronic liquid injection reduces exhaust temperature and prevents oil carbonization.

9. Wide Operating Range

• Compatible with refrigerants R22, R404A, and R507A.

• Suitable for evaporator temperatures between -50°C and -70°C.

10. Modular Maintenance Design

• Easy-to-replace components minimize downtime and repair costs.

11. Robust Material Selection

• Shock-resistant spring steel and alloy structural steel ensure component longevity.

  
  

Key Specifications

• Motor Power: 30 HP / 22 kW

• Cylinders: 6 (φ82/82×55.0 mm)

• Displacement: 101.1 m³/h

• Oil Capacity: 4.75 L

• Voltage: 380–420V/50Hz or 440–480V/60Hz

• Lubrication: Forced oil pump

• Weight: 234 kg (with oil)

• Crankcase Heater: 140 W

This compressor combines advanced engineering with user-centric design, making it ideal for demanding low-temperature environments.

Zhejiang Briliant Refrigeration Equipment Co., Ltd. Company Strengths

Zhejiang Briliant Refrigeration Equipment Co., Ltd. demonstrates industry leadership through integrated R&D and production systems, advanced manufacturing technologies, certified quality management, academic collaborations, rigorous testing protocols, and continuous component innovation. Below are expanded details of its core strengths:

1. Integrated R&D & Production System

• Combines design, R&D, manufacturing, and sales operations.

• Operates an R&D center in Hangzhou with 100+ employees, including 24 specialized researchers and engineers.

• Focuses on compressor innovation and process optimization.

  
  

2. Precision Manufacturing Technology

• Maintains dedicated production lines for compressor body machining.

• Uses high-precision CNC equipment to achieve ±0.01mm tolerance levels.

• Ensures consistent product quality through automated assembly processes.

  
  

3. Industry Certifications

• Holds National Industrial Product Production License (XK06-015-00999).

• Certified to ISO9001 (quality), ISO14001 (environmental), and ISO45001 (safety) standards.

• Recognized member of the China Refrigeration Society (CRS).

  
  

4. Academic Partnerships

• Collaborates with Xi'an Jiaotong University on screw rotor profile optimization.

• Implements computational fluid dynamics (CFD) for compressor efficiency testing.

• Shares R&D data to advance refrigeration system designs.

  
  

5. Testing & Calibration Infrastructure

• Operates 12 performance test stations covering -40°C to 50°C operating ranges.

• Uses high-precision imported instruments (e.g., Danfoss sensors) for data collection.

• Validates equipment through China National Institute of Metrology (CNIM) calibration.

  
  

6. Component Innovation Strategy

• Upgrades bearing systems and lubrication technologies every 24 months.

• Conducts 500+ hour endurance tests for reliability validation.

• Extends compressor service life through material science research.

YBF6F-20.2DS Low Temperature 30 HP Two-Stage Compressor with Extension Arms: Frequently Asked Questions

1. What are the key technical specifications?

• Rated power: 30 HP (22.4 kW).

• Operating temperature range: -40°C to 10°C.

• Two-stage compression design for enhanced efficiency in low-temperature environments.

• Extension arms: Standard length 300mm, customizable up to 600mm.

2. Which industries is this compressor designed for?

• Cold storage facilities, frozen food processing, chemical refrigeration, and industrial cooling systems.

• Suitable for applications requiring stable performance in sub-zero environments.

3. How often should maintenance be performed?

• Lubrication checks: Every 500 operating hours.

• Full service (seals, bearings, filters): Annually or every 4,000 hours.

• Extension arms require torque inspection every 3 months.

4. What refrigerants are compatible?

• Designed for R404A, R507A, and ammonia (NH₃).

• Materials comply with ASME B31.5 for corrosion resistance.

5. Does it meet energy efficiency standards?

• Exceeds ISO 1217:2009 displacement compressor efficiency benchmarks.

• Two-stage design reduces energy consumption by 15-20% compared to single-stage models.

6. What warranty and support are provided?

• 24-month limited warranty on compressor body.

• 12-month coverage for extension arms and seals.

• Technical support via email/phone within 4 business hours.

7. How do extension arms improve functionality?

• Reduce vibration transmission by 40% through isolated mounting.

• Allow flexible installation in space-constrained environments.

• Pre-machined bolt holes align with standard compressor frames.