CO₂ Supply System for Beverage Filling Machines

Product Specifications

Technical details and manufacturing context for CO₂ Supply System

Definition

The CO₂ Supply System is an integral component of beverage filling machines, responsible for delivering precise amounts of carbon dioxide to carbonate beverages and maintain pressure within the filling system. It ensures consistent carbonation levels and prevents oxidation during the bottling or canning process. The system typically consists of a CO₂ storage tank, pressure regulators, flow control valves, and distribution lines. It maintains a constant pressure supply to the filling heads, where CO₂ is injected into beverages or used to create a protective atmosphere that displaces oxygen from containers before filling. This subsystem is designed for integration into filling lines with rated capacities from 500 to 5000 L/h, operating pressures of 1.0–1.6 MPa, and pressure control accuracy of ±0.02 MPa. It requires CO₂ purity of 99.9–99.998% (ISO 14513) and operates within a temperature range of 0–50°C. The system is available with supply voltages of 220–480 V AC (3-phase, 50/60 Hz, IEC 60038) and power consumption of 1.5–7.5 kW, including vaporizer and controls. Inlet pressure ranges from 1.5–2.5 MPa (from bulk tank or cylinder) and outlet pressure from 0.5–1.0 MPa (to carbonator or filler). Wetted parts are typically stainless steel 316L (ASTM A240), with food-grade polymers and copper alloys also used. The unit is skid-mounted, weighing 150–800 kg, and has ingress protection ratings of IP54–IP65 (IEC 60529). These specifications are reference ranges; actual values must be confirmed with the manufacturer for specific models and applications. The system is not a standalone product but a component designed for integration into filling machines. For procurement, verify that the system meets the required capacity, pressure, and purity standards for your specific beverage production line. Regular maintenance includes checking pressure regulators and valves for wear, ensuring CO₂ purity, and monitoring for leaks. Failure to maintain proper pressure can lead to inconsistent carbonation or oxidation, affecting product quality.

Working Principle

The CO₂ Supply System operates by receiving CO₂ from a bulk tank or cylinder at an inlet pressure of 1.5–2.5 MPa. Pressure regulators reduce this to the operating range of 1.0–1.6 MPa, and flow control valves meter the gas to the filling heads. At the filling heads, CO₂ is injected into the beverage to achieve carbonation, or used to purge containers with a protective atmosphere, displacing oxygen to prevent oxidation. The system maintains a constant pressure supply, with control accuracy of ±0.02 MPa, ensuring consistent carbonation levels. The system includes a vaporizer to convert liquid CO₂ to gas if needed, and all wetted parts are made of corrosion-resistant materials like stainless steel 316L.

Common Materials

Stainless steel, Food-grade polymers, Copper alloys

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Capacity	500–5000 L/h	Match to filling machine output
Pressure Control Accuracy	±0.02 MPa	Critical for consistent carbonation
CO₂ Purity Requirement	99.9–99.998 %	Food grade requiredISO 14513
Supply Voltage	220–480 V AC	3-phase, 50/60 HzIEC 60038
Power Consumption	1.5–7.5 kW	Includes vaporizer and controls
Operating Temperature	0–50 °C	Below 0°C CO₂ may liquefy
Inlet Pressure Range	1.5–2.5 MPa	From bulk tank or cylinder
Outlet Pressure Range	0.5–1.0 MPa	To carbonator or filler
Material	316L	Stainless steel for wetted partsASTM A240
Ingress Protection	IP54–IP65	For washdown environmentsIEC 60529
Weight	150–800 kg	Skid-mounted unit

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

CO₂ Storage Tank
Stores liquid or gaseous carbon dioxide under pressure

Material: Stainless steel
Pressure Regulator
Controls and maintains consistent CO₂ pressure to filling heads

Material: Brass or stainless steel
Flow Control Valve
Precisely regulates CO₂ flow rate to each filling station

Material: Stainless steel
Distribution Manifold
Distributes CO₂ to multiple filling heads simultaneously

Material: Stainless steel
Safety Relief Valve
Prevents over-pressurization of the system

Material: Stainless steel
Vaporizer
Converts liquid CO2 to gas before regulation.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for CO₂ Supply System.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Filling Machine

View system integration details

Manufacturers of CO₂ Supply System

Manufacturer profiles associated with CO₂ Supply System.

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Frequently Asked Questions

What is the typical capacity range of a CO₂ supply system?

The rated capacity is typically 500–5000 L/h, matched to the filling machine output. The exact capacity required depends on the production line speed and the carbonation level of the beverage.

What CO₂ purity is required for beverage applications?

The system requires CO₂ purity of 99.9–99.998% (ISO 14513). Food-grade CO₂ is essential to avoid contamination and ensure consistent carbonation.

How does the system prevent oxidation during filling?

The system uses CO₂ to create a protective atmosphere that displaces oxygen from containers before filling. This reduces oxidation and helps maintain product quality.

What maintenance is required for the CO₂ supply system?

Regular maintenance includes checking pressure regulators and valves for wear, verifying CO₂ purity, and inspecting for leaks. Also, ensure the vaporizer (if present) is functioning correctly. Follow the manufacturer's guidelines for specific intervals.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Up to 10 bar (maximum working pressure)
flow rate:	0.5 to 5.0 m³/h (CO₂ gas at STP)
temperature:	0°C to 40°C (operating range)
slurry concentration:	Not applicable (gas-only system)

CO₂ Supply System

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards