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Case study on the introduction of screw refrigerating machines.

Case study on the introduction of screw refrigerating machines.

Pharmaceutical companies are manufacturers that produce active pharmaceutical ingredients and other products for domestic and international pharmaceutical companies.

The factory has been engaged in various initiatives for energy conservation, but this is the first time they are applying it to XAC's refrigeration units. The company has been one that does not overlook unnecessary energy consumption due to dirt from an eco-friendly perspective. To maximize cost-effectiveness, they have enabled automatic cleaning of three refrigeration units with two ball collection devices and a three-multi system.

  • Refrigeration units, boilers, cooling towers
  • Screw Refrigeration Machine

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Hitachi Industrial Equipment Systems Screw Chiller (Cooling Equipment)

Hitachi Industrial Equipment Systems Screw Chiller (Cooling Equipment)

Screw chiller equipped with low GWP refrigerant R448A and a liquid crystal touch panel.

Features - Adoption of new refrigerant R448A. - Reduction of global warming potential by 64% compared to R404A and 33% compared to R410A with refrigerant R448A. Adoption of low GWP refrigerant R448A The refrigerant used is the non-flammable R448A, which reduces the global warming potential by approximately 64% compared to the conventional refrigerant R404A and about 33% compared to refrigerant R410A. Improved operability and serviceability through the use of a liquid crystal touch panel By displaying information about the refrigeration unit on the LCD screen, we have improved operability, allowing various settings and operational information to be easily checked at a glance, making it easier to understand alarm contents and enhancing serviceability. Refrigerant shortage detection function In addition to the warning function currently equipped in existing units, the refrigeration unit is equipped with a refrigerant shortage detection function (displayed as a warning code on the control board's segment display). By monitoring the operating state, it captures changes in the refrigerant's condition, detecting refrigerant leaks or seasonal issues. For more details, please contact us.

  • Refrigeration units, boilers, cooling towers
  • Screw Refrigeration Machine

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Hitachi GLS Screw Refrigeration Machine Inverter Two-Stage Compression Water-Cooled

Hitachi GLS Screw Refrigeration Machine Inverter Two-Stage Compression Water-Cooled

Water-cooled two-stage compression screw refrigerator equipped with a liquid crystal touch panel and inverter control.

By adopting an LCD touch panel, the operability and serviceability have been improved. The adoption of an LCD touch panel (information from the freezer is displayed on the LCD screen). Two modes can be set according to the application. In "Suction Pressure Control" and "Internal Temperature Control," mode switching via external input signals is possible. Please use this when switching setting values such as "Pre-cooling (internal set temperature -20C)" and "Freezing (internal set temperature -40C)." Frequency Control Four types of frequency control methods have been prepared, considering various usage applications. (Selection via switches on the printed circuit board). Suction Pressure Control The suction pressure sensor built into the freezer detects the cooling load, and the compressor speed is continuously controlled. Internal Temperature Control The internal temperature is input as a DC 4-20mA signal from the temperature controller prepared on-site to the freezer control panel for determining the cooling load. For further details, please contact us.

  • Refrigeration units, boilers, cooling towers
  • Screw Refrigeration Machine

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Hitachi GLS Screw Refrigeration Unit Constant Speed Single-Stage Compression R448A

Hitachi GLS Screw Refrigeration Unit Constant Speed Single-Stage Compression R448A

Reliability-focused single-stage screw refrigeration unit [R448A] with extended overhaul cycle.

Adoption of next-generation refrigerant R448A The refrigerant used is the non-flammable new refrigerant R448A. This refrigerant reduces the global warming potential by approximately 64% compared to the conventional refrigerant R404A and by approximately 33% compared to refrigerant R410A. Improved cooling capacity through the adoption of a subcooling circuit [R448A water-cooled constant speed type] The adoption of a subcooling circuit has significantly improved the cooling capacity. Extension of the overhaul (disassembly and maintenance) cycle to 24,000 hours or 5 years of operation, up to 40,000 hours or 5 years of operation through the adoption of a simple compressor structure The single-stage compressor can apply a differential pressure lubrication system by fully utilizing rolling bearings, simplifying the lubrication system and eliminating moving parts such as suction and discharge valves, thereby enhancing reliability. Furthermore, by adopting a semi-hermetic structure with a built-in motor, there is no need for a shaft seal required in open-type refrigerating machines, eliminating concerns about refrigerant leakage from the sealing area.

  • Refrigeration units, boilers, cooling towers
  • Screw Refrigeration Machine

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Hitachi GLS Screw Refrigeration Unit Inverter Two-Stage Compression Air-Cooled

Hitachi GLS Screw Refrigeration Unit Inverter Two-Stage Compression Air-Cooled

Air-cooled two-stage compression screw refrigerator equipped with a liquid crystal touch panel and inverter control.

By adopting an LCD touch panel, the operability and serviceability have been improved. The adoption of an LCD touch panel (information from the freezer is displayed on the LCD screen). Two modes can be set according to the application. In "Suction Pressure Control" and "Internal Temperature Control," mode switching via external input signals is possible. Please use this when switching setting values, such as "Pre-cooling (internal set temperature -20°C)" and "Freezing (internal set temperature -40°C)." Frequency Control Four types of frequency control methods are prepared, considering various usage applications. (Selected via a switch on the printed circuit board) Suction Pressure Control The suction pressure sensor incorporated in the freezer determines the cooling load based on its detection value and continuously controls the compressor rotation speed. Internal Temperature Control The internal temperature is input as a DC 4-20mA signal from the temperature controller prepared on-site to the freezer control panel for determining the cooling load. For further details, please contact us.

  • Refrigeration units, boilers, cooling towers
  • Screw Refrigeration Machine

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Hitachi GLS Screw Refrigeration Unit Constant Speed Single-Stage Compression R404A

Hitachi GLS Screw Refrigeration Unit Constant Speed Single-Stage Compression R404A

Single-stage compression screw refrigerating machine [R404A] with extended maintenance cycle and enhanced reliability.

Adoption of next-generation refrigerant R448A The refrigerant used is the non-flammable new refrigerant R448A. It has reduced the global warming potential by approximately 64% compared to the conventional refrigerant R404A and by about 33% compared to refrigerant R410A. Improved refrigeration capacity through the adoption of a subcooling circuit [R448A water-cooled constant speed type] The adoption of a subcooling circuit has significantly improved refrigeration capacity. Extended overhaul (disassembly maintenance) cycle to 24,000 hours or 5 years of operation, up to 40,000 hours or 5 years of operation due to the adoption of a simple compressor structure The single-stage compressor can apply a differential pressure lubrication method by using rolling bearings throughout, simplifying the lubrication system and eliminating moving parts such as suction and discharge valves, thereby enhancing reliability. Furthermore, by adopting a semi-hermetic structure with an integrated motor, there is no need for a shaft seal required in open-type refrigeration systems, eliminating concerns about refrigerant leakage from the sealing area.

  • Refrigeration units, boilers, cooling towers
  • Screw Refrigeration Machine

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Hitachi GLS Screw Refrigeration Unit Inverter Two-Stage Compression Air-Cooled

Hitachi GLS Screw Refrigeration Unit Inverter Two-Stage Compression Air-Cooled

Air-cooled two-stage compression screw refrigerator with enhanced efficiency using a new high-performance inverter compressor.

Installation of a new high-performance inverter compressor - Improvement in efficiency through optimization of low-stage/high-stage discharge ratio - Improvement in efficiency through optimization of internal volume ratio - Reduction of internal leakage and improvement in efficiency through high-precision rotors Improved operability and serviceability by adopting an LCD touch panel Adoption of an LCD touch panel (information about the refrigeration unit is displayed on the LCD screen) Two mode settings available according to application In "Suction Pressure Control" and "Internal Temperature Control," mode switching via external input signals is possible. Please use this when switching settings such as "Pre-cooling (internal set temperature -20C)" and "Freezing (internal set temperature -40C)." Frequency control Four types of frequency control methods are prepared, considering various usage applications. (Selection via a switch on the printed circuit board) Suction pressure control The cooling load is determined by the detection value of the suction pressure sensor incorporated in the refrigeration unit. For further details, please contact us.

  • Refrigeration units, boilers, cooling towers
  • Screw Refrigeration Machine

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