kelly@fairdale.com.cn       +86-18115029397
You are here: Home » Products » Life Jacket Accessories » 33g CO2 Cartridge for Life Jacket » 33g CO₂ Cartridge for Life Jackets | Marine Safety Inflator Cylinder Manufacturer

loading

33g CO₂ Cartridge for Life Jackets | Marine Safety Inflator Cylinder Manufacturer

The 33g CO₂ cartridge is designed for fast and reliable inflation of inflatable life jackets. Made from durable steel and filled with high-purity CO₂, it ensures consistent performance and wide compatibility. Ideal for OEM, wholesale, and global marine safety supply.
  • FD-085

  • FD

  • Fairdale Catalog .pdf

  • steel

  • for life jacket

  • 33g co2 cartridge

  • 1/2-20UNF

  • 9.999% for CO2 cylinder

  • gold,silver for co2 cartridge

  • high

  • 3,000-5,000 psi

  • MSDS Approval;TUV

Availability:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
sharethis sharing button

Product Description

What Is a 33g CO₂ Cartridge for Life Jackets?

33g co2 cartridge

A 33g CO₂ cartridge is a high-pressure gas cylinder specifically designed to inflate inflatable life jackets and personal flotation devices (PFDs) in emergency situations. When activated, the cartridge releases compressed carbon dioxide instantly, ensuring rapid inflation and reliable buoyancy in critical marine environments.

Widely used in boating, offshore operations, and water rescue systems, these cartridges play a crucial role in marine safety equipment. As a key component of automatic and manual inflator mechanisms, a high-quality life jacket CO₂ cartridge ensures consistent performance, safety compliance, and long-term storage reliability.

Key Features of 33g CO₂ Cylinders

High-Pressure Instant Inflation Performance

Each 33g CO₂ cylinder is filled with precisely measured compressed gas, enabling immediate inflation of life jackets within seconds. This rapid response is essential for emergency situations where every second counts, especially in rough water or offshore conditions.

Durable Steel Construction with Anti-Corrosion Coating

Manufactured from high-strength recyclable steel, the cartridge body is engineered to withstand high internal pressure. An anti-corrosion coating enhances durability, making it suitable for marine environments where exposure to moisture and salt is common.

Leak-Proof Sealing for Long-Term Storage

Advanced sealing technology ensures zero leakage during storage. This guarantees that the CO₂ cartridge remains fully functional even after extended periods, making it ideal for safety equipment that may not be used frequently but must perform reliably when needed.

Clean and Stable CO₂ Gas Filling

The cartridges are filled with high-purity CO₂ gas, ensuring stable inflation performance without contamination. This is critical for maintaining consistent pressure output and protecting inflator mechanisms from damage.

Applications in Marine and Safety Equipment of 33g CO2 Cartridge

Inflatable Life Jackets (PFDs)

33g CO₂ cartridges are the core inflation component in modern inflatable life jackets, ensuring rapid and reliable buoyancy for adult users in emergency situations. Once activated, the cartridge releases compressed CO₂ gas within seconds, fully inflating the air bladder and keeping the wearer afloat.

They are designed to work seamlessly with:

  • Automatic systems – triggered upon water immersion

  • Manual systems – activated via pull cord

  • Hybrid systems – combining both for added safety redundancy

This versatility makes them suitable for a wide range of marine applications—from casual boating to professional offshore work.

In addition, high-quality cartridges are manufactured with:

  • Precision gas filling for consistent inflation performance

  • Leak-proof sealing technology for long-term storage reliability

  • Standard threading for easy replacement and compatibility

The result: dependable performance when it matters most.

33g co2 cartridge

Marine Emergency Equipment

33g CO₂ cartridges are not limited to life jackets—they are widely used across critical marine emergency systems, where rapid deployment can be lifesaving.

Common applications include:

  • Inflatable life rafts

  • Rescue throw bags and flotation devices

  • Emergency signaling and deployment systems

  • Backup buoyancy equipment onboard vessels

In high-risk environments such as offshore platforms or commercial ships, response time is everything. CO₂-powered systems provide near-instant inflation, allowing rescue equipment to be deployed without delay.

To withstand harsh marine conditions, these cartridges are built with:

  • Corrosion-resistant coatings to prevent rust in saltwater environments

  • High-strength steel construction for pressure safety

  • Stable performance across extreme temperatures and humidity levels

This makes them ideal for long-term storage in onboard emergency kits without compromising functionality.

Boating and Offshore Safety Gear

From weekend boating trips to large-scale maritime operations, CO₂ inflator cartridges are a key component of safety compliance and risk management.

Widely used in:

  • Recreational boats and yachts

  • Commercial fishing vessels

  • Cargo ships and offshore platforms

  • Marine safety kits and inspection systems

For individual users, 33g cartridges offer a compact, lightweight solution that enhances safety without adding bulk. For commercial operators, they enable standardized safety management, ensuring all inflatable equipment remains ready for use.

33g CO₂ Cartridge Specifications for Life Jackets

Technical Data Overview

The 33g CO₂ cartridge is engineered to meet the performance and safety requirements of modern inflatable life jackets and personal flotation devices. Each cartridge is manufactured under strict quality control standards to ensure consistent gas filling, reliable sealing, and stable pressure output.

Designed for marine environments, the cartridge body is constructed from high-grade steel with a protective anti-corrosion coating, ensuring durability even under humid or saltwater conditions. The precise 33g CO₂ filling provides sufficient inflation capacity for adult PFDs, making it a widely adopted standard across global marine safety equipment.

Parameter

Specification

Product Name

33g CO₂ Cartridge

Gas Type

Compressed Carbon Dioxide (CO₂)

Net Weight

33 grams

Material

High-grade Steel

Surface Treatment

Anti-rust Coating

Thread Type

1/2”-20 UNF (standard)

Application

Inflatable Life Jackets / PFDs

Certification Options

CE / DOT / ISO (available)

Shelf Life

Long-term storage (dry conditions)

Thread Size and Compatibility Details

The cartridge features a standard 1/2”-20 UNF thread, which is widely recognized across the marine safety industry. This standardized threading ensures seamless compatibility with most automatic and manual life jacket inflator mechanisms available on the market.

Thanks to its universal design, the 33g CO₂ cylinder can be easily integrated into various inflatable PFD systems without requiring additional adapters. This reduces replacement complexity for end users and simplifies inventory management for distributors and wholesalers.

Additionally, precise threading and machining help ensure a secure connection between the cartridge and inflator system, minimizing the risk of leakage or misfire during activation. This is especially critical in emergency situations where reliable inflation performance is essential.

Available Sizes for Different Life Jacket Requirements

In addition to the standard 33g model, CO₂ cartridges are available in multiple sizes to meet different buoyancy requirements and application scenarios. Selecting the correct size depends on the type of life jacket, user weight, and intended usage environment.

Smaller cartridges are typically used for lightweight or child PFDs, while larger capacities are designed for heavy-duty or offshore safety equipment requiring increased buoyancy.

Size

Typical Application

Suitable Users

Key Features

21g

Compact life jackets

Youth / lightweight users

Lightweight, portable

22g

Slim inflatable PFDs

Adults (light-duty use)

Balanced size and performance

33g

Standard life jackets

Adult users

Industry standard, widely compatible

38g

Enhanced buoyancy PFDs

Adults (offshore use)

Higher inflation capacity

60g

Heavy-duty safety gear

Commercial / offshore

Maximum buoyancy output

Offering a full range of CO₂ cartridge sizes allows distributors and brands to cover multiple market segments, from recreational boating to professional marine safety applications. For bulk buyers and OEM partners, multi-size availability also enables flexible product line development and customized solutions.

33g CO2 Cartridge Compatibility with Life Jacket Inflators

33g CO₂ cartridges are designed to work seamlessly with common inflator mechanisms, including automatic water-activated systems and manual pull-cord inflators. Ensuring correct compatibility is essential for optimal inflation performance and safety compliance.

Users should always verify cartridge size, thread type, and inflator requirements before replacement to maintain proper function of their life-saving equipment.

Quality Standards and Certifications of 33g CO2 Cartridge

Compliance with Marine Safety Regulations

Our CO₂ cartridges can be manufactured to meet international safety standards such as CE and DOT requirements. These certifications ensure the product is suitable for global distribution and use in regulated marine environments.

Pressure Testing and Inspection Process

Each cartridge undergoes strict quality control procedures, including pressure resistance testing, leak detection, and weight verification. This ensures consistent gas filling accuracy and reliable performance in real-world applications.

OEM & Bulk Supply Solutions of 33g CO2 Cartridge

Private Label CO₂ Cartridge Manufacturing

As an experienced CO₂ cartridge manufacturer, we provide comprehensive OEM and private label solutions tailored to the needs of distributors, wholesalers, and marine safety equipment brands worldwide. From product design to final packaging, our team supports every stage of the manufacturing process to ensure consistency, quality, and brand differentiation.

We offer customized branding options, including logo printing on cartridges, color coating, and retail-ready packaging design. This enables our partners to establish a strong and recognizable market presence while maintaining full control over their product positioning. With stable production capacity and strict quality control systems, we help clients scale their business efficiently in competitive global markets.

Custom Packaging and Branding Options

To meet diverse market demands, we provide flexible packaging solutions suitable for both bulk distribution and retail sales channels. Options include industrial bulk cartons for wholesalers, as well as customized retail boxes designed for e-commerce and in-store display.

Our packaging services also include private labeling, barcode printing, instruction manuals, and safety labeling in multiple languages. This ensures compliance with international market requirements while enhancing the overall product presentation and customer experience. Whether targeting online platforms or traditional distribution networks, we help clients optimize their packaging strategy for maximum impact.

MOQ and Lead Time Details

  • Flexible minimum order quantities to support both small and large-scale buyers

  • Consistent production capacity ensuring stable bulk supply

  • Efficient production scheduling for fast turnaround times

  • Short lead times for repeat and long-term partnership orders

  • Dedicated support for order tracking and delivery coordination

Export Packaging Standards

All products are packed according to international shipping standards, ensuring safe transportation for global export markets.

Our logistics team is experienced in global export operations, supporting sea freight, air shipment, and hazardous goods compliance. This ensures that products arrive safely and efficiently at their destination, reducing risks and ensuring smooth customs clearance for international clients.

Packaging and Logistics Options 33g CO2 Cartridge

We support a variety of logistics solutions, including sea freight, air shipment, and express delivery. Our experience in handling hazardous goods ensures compliance with international transport regulations for CO₂ cylinders.

Proper packaging minimizes risk during transit and maintains product integrity from factory to end user.

How to Choose the Right 33g CO₂ Cartridge for Life Jackets

Selecting the correct CO₂ cartridge is critical to ensuring reliable inflation performance and compliance with safety standards. While 33g CO₂ cartridges are widely used for adult inflatable life jackets, buyers should evaluate several key factors before purchasing in bulk.

From thread compatibility to certification requirements, choosing the right specification helps avoid performance issues, reduces after-sales risks, and ensures end-user safety. For distributors and brands, working with a professional CO₂ cartridge supplier also guarantees consistent quality across batches.

Key Selection Criteria for Buyers

Selection Factor

Description

Why It Matters

Cartridge Size

33g is standard for adult inflatable life jackets

Ensures sufficient buoyancy and proper inflation

Thread Type

Typically 1/2”-20 UNF

Must match inflator system to avoid leakage or failure

Material Quality

High-strength steel with anti-corrosion coating

Improves durability in marine environments

Gas Purity

Clean, high-purity CO₂

Ensures stable and reliable inflation performance

Certifications

CE, DOT, ISO (depending on market)

Required for legal compliance and international distribution

Sealing Performance

Leak-proof sealing technology

Prevents gas loss during storage

Packaging Options

Bulk or retail packaging

Supports different business models (wholesale vs retail)

Supplier Capability

OEM support, stable production, export experience

Ensures long-term supply reliability

33g CO₂ Cartridge Maintenance and Replacement for Life Jackets

When Should You Replace a CO₂ Cartridge?

CO₂ cartridges should be replaced immediately after use or if there are any signs of corrosion, damage, or leakage. Even unused cartridges should be periodically inspected to ensure they remain in optimal condition.

Inspection Tips for Distributors and End Users

  • Check for rust or external damage

  • Verify that the cartridge is not pierced

  • Ensure correct weight and sealing integrity

  • Store in controlled environments

Proper maintenance not only extends product life but also ensures compliance with marine safety requirements.

FAQ About 33g CO₂ Cartridges

How long does a 33g CO₂ cartridge last?

When stored in a dry and sealed environment, a CO₂ cartridge can maintain its performance for several years. However, regular inspection is recommended to ensure safety and functionality.

Are 33g CO₂ cartridges universal?

Most 33g cartridges use a standard thread size, making them widely compatible. However, users should always confirm compatibility with their specific life jacket inflator system.

How should CO₂ cartridges be stored?

Store cartridges in a cool, dry place away from direct sunlight and moisture. Proper storage conditions help maintain internal pressure and prevent corrosion.

Conclusion

A high-quality 33g CO₂ cartridge is an essential component in marine safety systems, ensuring rapid and reliable inflation of life jackets when it matters most. With durable construction, precise gas filling, and global compatibility, these cartridges are widely trusted by safety equipment manufacturers and distributors worldwide.

For businesses seeking a dependable CO₂ cartridge supplier, choosing a manufacturer with strong quality control, OEM capabilities, and global export experience is key to building a competitive and reliable product line.

Company Information
Company Information
Company Information

Previous: 
Next: 

Product Category

Talk to a CO₂ Cartridge Manufacturing Expert

Avoid production risks, delays, and inconsistent quality.
Our engineers help you select the right specifications, ensure compliance, and deliver reliable supply — on time and within budget.
Contact us

Contact Us

   kelly@fairdale.com.cn
  +86-18115029397
  Ma Chi Gou 158, Yao Guan Town, Wujin District, Changzhou City, Jiangsu Province, China.

Products

© COPYRIGHT 2026 CHANGZHOU FAIRDALE METAL TOOLS CO., LTD. ALL RIGHTS RESERVED.