Aluminum vs. Steel Small Air Tanks | Weight, Durability, and Buoyancy Characteristics

Aluminum (6061-T6 aluminum) is lightweight. The 3L/200bar model has an empty weight ≈1.8kg, and a full weight (3L×200bar=600L air, weight ≈0.77kg) total weight ≈2.6kg; Steel (Chromium-molybdenum st...

Small Air Tank Types丨Aluminum, Steel, and Carbon Fiber Cylinders

Aluminum Cylinders (e.g., 6061-T6 Aluminum): Lightweight and corrosion-resistant, provides positive buoyancy after inflation (requires weights). Common 3L/200bar model has an empty weight ≈1.8kg; w...

Diving Cylinder Valves | Difference Between K-Valve and DIN Valve

Differences lie in structure and connection methods: K-Valve (Yoke Valve) is a flange type, clamped to the cylinder mouth by an A-clamp (inner diameter approx. 32mm). The thread is G5/8 inch (adapt...

Diving Cylinder Safety Guide | Inspection, Filling, and Operating Procedures

Visually inspect the cylinder body (no dents ＞1mm, cracks, or corrosion) and ensure the valve is not loose before each use; Annual professional inspection (including ultrasonic testing), hydrostati...

Mini Diving Cylinder Maintenance Guide | Cleaning, Inspection, and Proper Storage

Cleaning involves using a mixture of warm water and neutral detergent (ratio 1:10). Gently scrub the inner and outer walls of the cylinder with a soft brush, focusing on removing salt deposits and ...

Renting vs Buying a Scuba Tank | Which Option Saves You More

Data from PADI 2023 price lists and ScubaBoard surveys show that for those diving less than 5 times annually, rental costs (including regulator) total just one-third of purchase expenses over five ...