33g Threaded 1/2-20UNF CO2 Gas Cartridge Used for Life Preserver＆Mini Aquarium＆Fire Extinguisher

This 33g CO₂ gas cartridge features a standard 1/2-20UNF threaded connection, making it suitable for high-capacity applications in safety and precision systems. It is widely used in automatic life preservers, small aquarium CO₂ injection systems, and compact fire extinguishing devices. Pre-filled with high-purity carbon dioxide, the cartridge ensures smooth and rapid gas release when needed. The robust carbon steel body and high-pressure sealing design offer superior safety for storage and operation in professional environments such as marine rescue, aquatic systems, and emergency protection.

Product Advantages

Compact & Ultra-Lightweight

1. Net Weight: 25g ± 1g

2. Diameter: 22mm

3. Ideal Use: Perfect for space-critical devices such as portable life vest inflators.

Universal Thread Compatibility

1. 3/8-24UNF Standardized Threading: Ensures broad compatibility with industry-standard fittings.

2. Seamless Fit: Designed for EU and US life jacket mechanisms, providing fast installation and a secure, leak-proof seal.

High-Pressure Safety

1. Burst Pressure: Rated ≥ 55 kgf/cm² for superior containment strength.

2. DOT/CE-Certified Steel Cylinder: Complies with rigorous safety and quality standards.

3. Stable Gas Release: Designed to deliver consistent output with zero risk of rupture.

Multi-Application Ready

1. 99.9% Food-Grade CO₂: Certified safe for various uses.

2. Aquatic Oxygenation: Ideal for algae control in aquatic environments.

3. Compact Fire Suppression: Suitable for vehicle and kitchen fire safety systems.

Core Applications

1. Life-Saving Equipment
Emergency life jackets powered by CO₂ cylinders provide ultra-fast inflation within 0.5 seconds, offering immediate flotation support during critical rescue situations. Compact and reliable, these cylinders are essential for maritime, aviation, and outdoor emergency gear.

2. Nano Aquarium Systems
Designed for 5–30 liter tanks, CO₂ cylinder kits ensure stable and precise carbon dioxide delivery, optimizing aquatic plant growth and maintaining healthy aquarium ecosystems. Ideal for hobbyists and aquascapers seeking professional-grade performance in small-scale setups.

3. Fire Safety
CO₂ extinguishers are effective for Class B fires involving flammable liquids and electrical equipment, making them ideal for labs, kitchens, and technical environments. They suppress fire quickly without leaving residue, preserving sensitive instruments and reducing cleanup.

 Notice

Single-use only—do NOT refill/modify
Store at 10-30°C, avoid sunlight
Comply with regional regulations (e.g., UN for maritime)