Phuc Nguyen Seafood Co., Ltd – NH3 cold storage system

Tan Long designed, supplied and installed NH3 refrigeration systems give Phuc Nguyen Seafood Co., Ltd at Hoa Hiep Industrial Park, Phu Yen. The project handed over 4 equipment packages, of which 1 package was fabricated in-house by Tan Long.

Project summary

ClientPhuc Nguyen Seafood Co., Ltd
LocationHoa Hiep Industrial Park, Phu Yen
IndustryCold storage & cold chain logistics
RefrigerantNH3
Packages handed over4 packages
Equipment fabricated by Tan Long1 of 4 packages
Tan Long scopeDesign – Supply – Installation

The NH3 refrigeration system was installed by Tan Long at Phuc Nguyen Seafood.

Equipment handed over by Tan Long

Equipment fabricated in-house by Tan Long

DeviceQuantity
Condenser01 unit

Equipment imported and sourced from specialist manufacturers

DeviceBrandQuantity
Screw compressorMycom02 units
CondenserGunner06 units
PIR insulated cold store panel envelopeCycleworld—

Together with the pipework, valves, ancillary equipment and a complete NH3 refrigeration system.

Why the system uses NH3 as the refrigerant

NH3 (ammonia) is the most widely used refrigerant in large-scale plants and cold stores in Vietnam. Three engineering reasons:

  • The highest cooling efficiency among the common industrial refrigerants, in the evaporating temperature range from -18°C to -40°C.
  • Low operating cost: the refrigerant is inexpensive and its high efficiency reduces electricity use per tonne of goods.
  • No ozone depletion and no direct greenhouse effect.

In return, NH3 demands a higher standard of safety capability: leak detection sensors, emergency ventilation systems and strict operating procedures. This is the technical barrier that means not many contractors in Vietnam have mastered plant-scale NH3 systems.

What the project demonstrates about Tan Long's capability

1 of the 4 equipment packages on the project was fabricated by Tan Long itself at its plant in Duc Hoa 1 Industrial Park, Tay Ninh (formerly Long An). This is what sets it apart from the trading-contractor model of buying equipment in and fitting it.

Fabricating in-house brings three direct benefits to the client:

  • Control over the schedule: no dependence on import delivery dates.
  • Customised to the floor plan: equipment dimensions and configuration designed around the actual workshop space.
  • Fast repair and replacement: materials, drawings and the fabrication team are all available in-country.

Frequently Asked Questions

Which work packages did Tan Long deliver at Phuc Nguyen Seafood?

Tan Long designed, supplied and installed an NH3 refrigeration system for Phuc Nguyen Seafood Co., Ltd at Hoa Hiep Industrial Park, Phu Yen. The equipment handed over comprises: screw compressors (Mycom): 02 units; condenser (Tan Long): 01 unit; air coolers (Güntner): 06 units.

Which refrigerant does the refrigeration system at Phuc Nguyen Seafood use?

The system uses NH3 as its refrigerant. NH3 delivers the highest cooling efficiency among the common industrial refrigerants in the evaporating temperature range from -18°C to -40°C, has a low operating cost and does not deplete the ozone layer. In return, NH3 demands a higher standard of safety capability: leak detection sensors, emergency ventilation and strict operating procedures.

Which equipment on the project was manufactured in-house by Tan Long?

On this project, 1 equipment package was fabricated by Tan Long itself at its plant in Duc Hoa 1 Industrial Park, Tay Ninh — not bought in from a third party. This is what sets it apart from the trading-contractor model.

Can Tan Long deliver a similar project for another plant?

Yes. Tan Long has designed, fabricated and installed industrial refrigeration systems for 29 projects in Vietnam, including seafood, food and beverage processing plants and cold chain logistics centres. See full project list or call 0933 357 058 (Mr. Thinh) for advice.

Need advice on a similar system?

Tan Long provides consulting, design and quotations for industrial refrigeration systems, cold storage and IQF freezing lines. Call 0933 357 058 (Mr. Thinh) or send a quotation request.

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Engineer Nguyen Toan Thinh (Technical Director)

With over 18 years of practical experience in directing, consulting, designing, and constructing heavy industrial refrigeration systems, ASRS automated warehouses, and IQF freezing systems across more than 29 major national projects.

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