50-Litre High-Pressure Steel Gas Cylinders – ISO 9809-1 Certified
Looking for reliable high-pressure gas cylinders for industrial, commercial diving, or offshore applications? Our 50 litre high-pressure steel gas cylinders are designed to meet the highest safety and performance standards. Manufactured to ISO 9809-1 specifications, these durable cylinders are ideal for storing breathing air, oxygen, mixed gas, nitrogen, helium, and other specialty gases.
Key Specifications:
✅ Manufacturing Standard: ISO 9809-1
✅ Dimensions: 229mm OD x 1540mm Length
✅ Tare Weight (±5%): 73 Kg
✅ Material: High-strength 34CrMo4 steel
✅ Working Pressure: 300 bar
✅ Hydraulic Test Pressure: 480 bar
✅ Capacity: 50 Litres (nominal)
✅ Neck Thread Specification: 25E as per EN-629
✅ Valve: Handwheel-operated valve with BS3 outlet
✅ External Finish: French grey body with a quartered white/black neck
At iSubC Diving Equipment, we supply high-pressure gas cylinders tailored for commercial diving, offshore industries, and industrial applications. Whether you need standalone cylinders for breathing gas mixtures, helium for saturation diving, or nitrogen for pressurization systems, we’ve got you covered.




