Structured Manufacturing Data (2026)

CO₂ Injection System

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard CO₂ Injection System used in the Beverage Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical CO₂ Injection System is characterized by the integration of Pressure Regulator and Injection Nozzle/Diffuser. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel 316L construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision system that injects and dissolves carbon dioxide gas into liquids under controlled conditions.

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Product Specifications

Technical details and manufacturing context for CO₂ Injection System

Definition
A critical component of carbonation equipment that precisely meters, pressurizes, and injects food-grade carbon dioxide into beverages or other liquids, ensuring consistent carbonation levels and product quality. It typically includes gas regulation, injection nozzles, and control mechanisms integrated with the carbonator's main vessel.
Working Principle
The system receives pressurized CO₂ from a supply source, regulates it to precise pressure levels, then injects the gas through specialized nozzles or diffusers into the liquid. The injection occurs under controlled temperature and pressure conditions to maximize gas dissolution and create uniform carbonation throughout the liquid volume.
Common Materials
Stainless Steel 316L, Food-grade Plastics, Medical-grade Silicone
Technical Parameters
  • Operating pressure range for CO₂ injection (bar) Per Request
Components / BOM
  • Pressure Regulator
    Controls and maintains precise CO₂ pressure for injection
    Material: Stainless Steel
  • Injection Nozzle/Diffuser Part
    Disperses CO₂ into fine bubbles for efficient dissolution
    Material: Stainless Steel or Ceramic
  • Flow Meter
    Measures and monitors CO₂ flow rate
    Material: Stainless Steel with Glass
  • Control Valve
    Regulates on/off and flow of CO₂ injection
    Material: Stainless Steel with PTFE Seals

Industry Taxonomies & Aliases

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

Carbonation Injection System CO₂ Infusion System precision CO2 injection system beverage manufacturing stainless steel CO2 injection system for liquids controlled carbon dioxide dissolution system food-grade CO2 injection equipment beverage carbonation system with flow meter

Applied To / Applications

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

Carbonator
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar
flow rate: 0.5 to 20 L/min
temperature: 5°C to 50°C
slurry concentration: Up to 15% solids by weight
Media Compatibility
✓ Beverage carbonation (soft drinks, beer) ✓ Water treatment (pH adjustment) ✓ Chemical processing (reaction media)
Unsuitable: Highly viscous fluids (>500 cP) or abrasive slurries
Sizing Data Required
  • Required CO₂ dissolution rate (kg/hr)
  • Liquid flow rate and viscosity
  • Target dissolved CO₂ concentration (g/L)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion-induced leakage
Cause: CO₂ forms carbonic acid when mixed with moisture, leading to pitting and stress corrosion cracking in metallic components, especially at injection nozzles and valve seats.
Seal and gasket degradation
Cause: High-pressure CO₂ exposure causes elastomer seals (e.g., O-rings, gaskets) to swell, harden, or crack over time due to chemical incompatibility and pressure cycling, resulting in leaks.
Maintenance Indicators
  • Audible hissing or whistling from valves or fittings, indicating a high-pressure CO₂ leak.
  • Visible frost or ice formation on external pipes or components, signaling rapid gas expansion due to a leak or blockage.
Engineering Tips
  • Use corrosion-resistant materials (e.g., stainless steel 316L, duplex steels) for wetted parts and apply protective coatings in moisture-prone areas to combat carbonic acid formation.
  • Implement a regular seal inspection and replacement schedule using CO₂-compatible elastomers (e.g., PTFE, Kalrez) and ensure proper torque on fittings to prevent over-compression and extrusion.

Compliance & Manufacturing Standards

Reference Standards
ISO 10297:2014 (Transportable gas cylinders - Valve specification) ASME B31.3:2022 (Process Piping) PED 2014/68/EU (Pressure Equipment Directive)
Manufacturing Precision
  • Pressure Vessel Wall Thickness: +/-0.5% of nominal thickness
  • Valve Seat Flatness: 0.025mm maximum deviation
Quality Inspection
  • Hydrostatic Pressure Test (to 1.5x maximum working pressure)
  • Helium Leak Test (sensitivity ≤ 1×10⁻⁶ mbar·L/s)

Factories Producing CO₂ Injection System

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used in this CO₂ injection system to ensure food safety?

The system is constructed with Stainless Steel 316L, food-grade plastics, and medical-grade silicone, all compliant with food safety standards for beverage manufacturing.

How does this system maintain consistent carbonation levels?

Through precise components including a pressure regulator, injection nozzle/diffuser, flow meter, and control valve, allowing accurate CO₂ injection and dissolution under controlled conditions.

What industries is this CO₂ injection system suitable for?

Primarily designed for beverage manufacturing, including soft drinks, beer, sparkling water, and other carbonated beverage production where controlled CO₂ injection is required.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Beverage Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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