CO₂ - TRANSCRITICAL SERIES

Semi-hermetic reciprocating compressors

CO2 - Transcritical Series

The CO2 - Transcritical Series of reciprocating compressors is perfectly suited to use with CO2 natural refrigerants. These units are designed to lessen environmental impact and create more opportunities for energy savings.

High efficiency
High flexibility
Wide operating limits
Safe operation
Silent
Highlights

CO2 - TRANSCRITICAL SERIES

Frascold’s transcritical reciprocating compressors are designed to be used with CO2 natural refrigerants and offer the perfect solution for the commercial, industrial, transport, process cooling, and heat pump sectors. The models in this series are suitable for single-phase or integrated, booster and cascade systems and have been designed to withstand high plant downtime pressure. This helps provide ease of maintenance and a more efficient, less taxing start-up.

The particularly strong construction of the compressors allows them to operate with high operating delivery pressures of 140 bar(a) and a maximum plant downtime pressure (SSP) of 80 bar(a). Please note: models in the D and Z series operate with a delivery pressure of 100 bar(a).

This series has been developed in our state-of-the-art design and manufacturing facilities utilizing the most cutting-edge technologies available. The end result is extremely high-performing and safe units that can be depended on to get the job done.

Recommended applications
Frozen food outlets
Storage / Coldroom
Foodstuffs
Distribution / Warehouses
Hyper-super market
Features
Advantages
Better Operating Range

This series of CO2 transcritical reciprocating compressors is convenient to use in a wide range of applications, providing a durable, safe, and efficient solution for operations in transcritical processes.

Higher Degree of Safety

The use of CO2 natural refrigerants creates enhanced safety features and ultimate reliability in one package. Non-flammable and chemically inert at low concentrations, they feature a very low GWP and lower air emissions to help lessen environmental impact.

Lower Oil Carryover

Frascold transcritical reciprocating compressors are designed to provide low oil carryover, minimizing the chance for leaks and providing higher degrees of protection and lubrication for all integral moving parts. This provides an optimal, high-quality operation, which ensures maximum efficiency and that the highest performance levels possible are consistently met.

High Standstill Pressure (SSP)

The high standstill pressure (SSP) of all the transcritical reciprocating compressors in the CO2 series allows the correct management of plant downtime pressure, making maintenance easier and providing a quick start-up without having to use active or passive systems.

Compact and Quiet Design

Frascold subcritical reciprocating compressors are unique in their relatively light design, space-saving dimensions, and overall quietness. These features allow these units to be used in many different applications, especially within smaller systems where space may be at a premium.

CapaFlex TM mechanical regulation

The CapaFlexTM capacity control system is exclusively available on Frascold compressors for transcritical applications. This advanced technology helps regulate the flow rate transfer of CO2 refrigerants through suction inlets. The alternating periods of opening and closing of the suction inlets allow proper partialisation of the compressor, providing for more optimal loads and preventing on-off cycles as much as possible.

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Technical Data

Performance and versatility

TRANSCRITICAL

@ Evap. T. 50°F - Gas cooler out T. +91,4°F - Gas cooler pressure 83,7 bar

Cooling capacity
Frascold - CO2 Industrial system in Australia
The first full transcritical CO2 industrial refrigeration system by Frascold is presented in Australia

Frascold contributed to the creation of the first full transcritical CO2 refrigeration system for industrial applications in Australia. Using Frascold compressors at the core of a wider installation, this project involved a local wholesaler in New South Wales. The project included the construction of a wing for the presentation and storage of fresh and frozen products, a meat processing area, a dedicated entrance for sales, and a loading-unloading area.

Size D

Size D
Volumetric displacement
1,1 - 2,1 CFM
Motor power
2,2 - 3,7 kW
7 Available models

Main technical data

Volumetric displacement1,1 CFM
Motor power2,2 kW
Pistons2
Cap. reg.100

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Main technical data

Volumetric displacement1,3 CFM
Motor power2,2 kW
Pistons2
Cap. reg.100

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Main technical data

Volumetric displacement1,3 CFM
Motor power2,6 kW
Pistons2
Cap. reg.100

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Main technical data

Volumetric displacement1,8 CFM
Motor power2,6 kW
Pistons2
Cap. reg.100

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Main technical data

Volumetric displacement1,8 CFM
Motor power3 kW
Pistons2
Cap. reg.100

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Main technical data

Volumetric displacement2,1 CFM
Motor power3 kW
Pistons2
Cap. reg.100

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Main technical data

Volumetric displacement2,1 CFM
Motor power3,7 kW
Pistons2
Cap. reg.100

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Size Q

Size Q
Volumetric displacement
2,2 - 5,7 CFM
Motor power
3,7 - 7,5 kW
10 Available models

Main technical data

Volumetric displacement2,2 CFM
Motor power3,7 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement2,2 CFM
Motor power4,5 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement2,6 CFM
Motor power4,5 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement2,6 CFM
Motor power5,2 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement3,5 CFM
Motor power5,2 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement3,5 CFM
Motor power6,7 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement4,1 CFM
Motor power6,7 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement4,1 CFM
Motor power7,5 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement4,9 CFM
Motor power7,5 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement5,7 CFM
Motor power7,5 kW
Pistons4
Cap. reg.100

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Size S

Size S
Volumetric displacement
4,6 - 14,9 CFM
Motor power
6 - 29,8 kW
14 Available models

Main technical data

Volumetric displacement4,6 CFM
Motor power6 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement4,6 CFM
Motor power7,5 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement5,7 CFM
Motor power7,5 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement5,7 CFM
Motor power11,2 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement6,9 CFM
Motor power11,2 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement6,9 CFM
Motor power14,9 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement8,5 CFM
Motor power14,9 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement8,5 CFM
Motor power18,6 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement10,5 CFM
Motor power14,9 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement10,5 CFM
Motor power22,4 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement12,1 CFM
Motor power18,6 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement12,1 CFM
Motor power26,1 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement14,9 CFM
Motor power22,4 kW
Pistons4
Cap. reg.100

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Main technical data

Volumetric displacement14,9 CFM
Motor power29,8 kW
Pistons4
Cap. reg.100

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Size Z

Size Z
Volumetric displacement
18,1 - 22,3 CFM
Motor power
29,8 - 37,3 kW
3 Available models

Main technical data

Volumetric displacement18,1 CFM
Motor power29,8 kW
Pistons6
Cap. reg.100

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Main technical data

Volumetric displacement18,1 CFM
Motor power37,3 kW
Pistons6
Cap. reg.100

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Main technical data

Volumetric displacement22,3 CFM
Motor power37,3 kW
Pistons6
Cap. reg.100

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