CQYB/I-275N Offshore Life Jacket
Product Overview
The CQYB/I-275N Offshore Life Jacket is a double-chamber inflatable life jacket for adult users. It has a minimum buoyancy of 275N and is equipped with two 55g or 60g CO₂ cylinders. The life jacket supports both manual and automatic inflation.
The original product pages list SOLAS/MED, ISO 12402-2 and SOLAS as applicable standards. The product is described as featuring high-strength materials, high performance, and a lightweight, compact design.
Inflation and Air Chambers
The life jacket contains two air chambers. It can be inflated manually by pulling the inflation cord or automatically when submerged in water.
The second air bladder is manually activated by pulling its cord and is described on the original product page as a spare air chamber.
The air chambers can also be inflated manually through the oral inflation tube. The stated inflation time is no more than five seconds.
Performance and Features
The life jacket is designed to keep the wearer’s head, neck and shoulders above the water.
The original product page states that its automatic righting function keeps the wearer’s head above the water surface after entering the water, including when the wearer is unconscious.
A Y-shaped shoulder strap is used to secure the life jacket. According to the original description, the strap distributes weight and pressure around the neck and shoulders. The shape of the air bladder is designed according to ergonomic principles.
Applications
The original product pages list the following applications:
- Marine shipboard use
- Offshore oil platforms
- Offshore industry
- Water engineering
- Inland waterways
- Offshore and high-seas operations
- Ocean applications
- Water sports
- Fishing
- Hunting
The product page also states that the life jacket is suitable for work involving particularly high mechanical loads and for work on welding equipment.
Technical Specifications
| Item | Specification |
|---|---|
| Model | CQYB/I-275N |
| Product type | Offshore inflatable life jacket |
| Air chambers | Double |
| CO₂ cylinders | Two 55g or 60g CO₂ cylinders |
| Inflation | Manual and automatic |
| Fabric | 400D Oxford fabric + 0.15mm TPU |
| Buoyancy | ≥275N |
| Weight | ≤1.5kg |
| Size | Adult universal |
| Face-plane angle in water | ≥40° |
| Trunk angle in water | ≥30° |
| Ambient temperature | −30°C to 65°C |
| Buoyancy loss | ≤5% in 24 hours |
| Inflation time | ≤5 seconds |
| Floating duration | ≥48 hours |
Components
The components listed on the original product page include:
- Double air chamber
- Two CO₂ cylinders
- SOLAS reflective tape
- Oral inflation tube
- Safety whistle
- One automatic inflator
- One manual inflator
- Safety strap
- ITW or stainless-steel buckle
- Quick-burst zipper
The oral inflation tube can be used to inflate the air chamber manually.


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