Home » Products » Refrigeration Compressor » DANFOSS COMPRESSOR » DANFOSS Rated Performance*High Efficiency CompressorR22-50HZ MT 45 HJ / MT 51 HK/ MT 57 HL / MT 65 HM / MT 73 HN / MT 81 HP

DANFOSS Rated Performance*High Efficiency CompressorR22-50HZ MT 45 HJ / MT 51 HK/ MT 57 HL / MT 65 HM / MT 73 HN / MT 81 HP

DANFOSS Rated Performance*High Efficiency CompressorR22-50HZ MT 45 HJ / MT 51 HK/ MT 57 HL / MT 65 HM / MT 73 HN / MT 81 HP

Name: DANFOSS Rated Performance*High Efficiency CompressorR22-50HZ MT 45 HJ / MT 51 HK/ MT 57 HL / MT 65 HM / MT 73 HN / MT 81 HP
Brand: DANFOSS
Rating: 5.0 (94 reviews)

Brand: Danfoss
Type: Hermetic Piston Compressor
Power: 6.31 kW (MTZ73HN) or 6 HP (MTZ72HN4AVE)
Refrigerant: R134a, R404A, R507, R12, R22, R502, etc.
Applications: Low-temperature air conditioning and refrigeration equipment
Features: Eco-friendly design, high reliability, strong adaptability, low noise

Model:
MT45HJ / MT51HK/ MT57HL / MT65HM / MT73HN / MT81HP
Brand:
DANFOSS

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Product Description

I. Product Overview

The Danfoss MT series is a classic line of hermetic piston refrigeration compressors designed for medium- and low-temperature applications. This series adopts a modular design concept, offering excellent operational efficiency and wide working condition adaptability while maintaining a compact structure.

II. Model Specifications Comparison Table

Model	Cooling Capacity (kW)	Displacement (m³/h)	Rated Power (kW)	Applicable Refrigerant
MT45HJ	4.5	18.2	3.8	R134a/R404A/R507
MT51HK	5.1	20.5	4.2	R134a/R404A/R507
MT57HL	5.7	23.1	4.8	R134a/R404A/R507
MT65HM	6.5	26.3	5.5	R134a/R404A/R507
MT73HN	7.3	29.6	6.3	R134a/R404A/R507
MT81HP	8.1	32.8	7.1	R134a/R404A/R507

III. Core Technical Advantages

High Efficiency and Energy Saving Design

Optimized piston assembly clearances increase volumetric efficiency to 92%
Patented valve plate design reduces airflow resistance losses
Energy Efficiency Ratio (EER) reaches 3.2-3.5 W/W

Exceptional Reliability

High-strength crankshaft material undergoes special heat treatment
Triple sealing protection system ensures long-term stable operation
Strong resistance to liquid slugging, adaptable to complex condition changes

Wide Application Range

Evaporation temperature range: -40°C to +10°C
Maximum condensation temperature up to 60°C
Ambient temperature adaptation range: -30°C to +45°C

IV. Detailed Product Features

Environmental Compatibility: Suitable for environmentally friendly refrigerants like R134a, meeting EU F-gas regulations
Low Noise Design: Operating noise below 65 dB(A), suitable for commercial premises
Easy Maintenance: Standardized interface design supports quick replacement
Intelligent Protection: Built-in overload and phase loss protection devices