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Bitzer 4NES-20Y-40P Semi Hermetic Compressor

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Brand: Bitzer

P/N: 4NES-20Y-40P

Bitzer 4NES-20Y-40P Semi Hermetic Compressor

Bitzer 4NES-20Y-40P Semi Hermetic Compressor

Product Description :

  • A semi-hermetic compressor is a type of compressor commonly use in refrigeration and air conditioning systems. Semi-hermetic compressors have a sealing arrangement that allows access to the motor-compressor unit without exposing the internal components to the external environment. Semi-hermetic compressors are widely use in various applications, including commercial and industrial refrigeration, air conditioning systems, and heat pumps.
  • The semi-hermetic compressor has a bolted casing that can be opened and closed, unlike a hermetic compressor, which is sealed shut. This allows technicians to access the internal components, such as the motor and the compressor’s mechanical parts, for maintenance, repair, or inspection.
  • In a semi-hermetic compressor, the motor and compressor components are housed within the same casing. This is typical for both reciprocating and screw types of compressors. Since the casing is bolted and not welded, it can be opened for servicing or replacing internal parts, which reduces downtime and long-term maintenance costs.
  • The Semi-Hermetic Compressor is a high-performance refrigeration and air conditioning compressor designed with a sealed housing and removable cover for easier service and maintenance. Unlike fully hermetic units, it allows direct access to internal components, making repairs and overhauls more convenient and cost-effective.

  • Built with durable materials and precision engineering, semi-hermetic compressors deliver efficient cooling performance, long service life, and reliable operation under heavy-duty conditions.

Product Specification:

  • Brand: Bitzer
  • Part Number: 4NES-20Y-40P
  • Part Name: Semi Hermetic Compressor
  • Volts: 480 V
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Bitzer

Bitzer is a global technology leader in refrigeration and air conditioning, specializing in energy-efficient compressors, condensing units, and pressure vessels. With a strong focus on innovation and sustainability, Bitzer components are trusted in commercial refrigeration, industrial cooling, HVAC systems, and transport refrigeration worldwide.

As a certified Bitzer genuine supplier, we provide OEM compressors, spare parts, and system solutions for reliable and efficient thermal management. Whether you’re in food logistics, building climate control, or industrial process cooling, our genuine Bitzer products ensure performance, durability, and compliance with international standards.

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