Product Overview
ECS steel cylinders are made in Apolda, Germany. The range runs from slim 1 L and 1.8 L pony and argon bottles up to 20 L back-gas cylinders, in 232 or 300 bar, with several diameters so you can choose the balance of length, weight and buoyancy that suits your diving.
Key Features
German-made steel cylinders from ECS.
1 L to 20 L, in 232 or 300 bar working pressure.
Choice of diameters: 100, 114, 140, 171 or 204 mm (82.5 mm for the 1 L and 1.8 L).
White as standard; black available in selected sizes.
Concave-base 8.5 L option.
M25x2 neck thread (M18x1.5 on the 1 L and 1.8 L).
Technical Specifications
1 L, 300 bar: 82.5 mm diameter, 265 mm long, M18x1.5.
1.8 L, 230 bar: 82.5 mm, 455 mm, about 2.8 kg, M18x1.5, black.
2 L, 232 bar: 114 mm, 305 mm, 3.8 kg.
3 L, 232 bar: 100 mm, 515 mm, 4.97 kg (white or black); short version 114 mm, 425 mm, 4.7 kg.
3 L, 300 bar: 100 mm, 515 mm (white or black).
5 L, 232 bar: 140 mm, 466 mm, 7.49 kg.
7 L: 140 mm; 232 bar 605 mm, 9.3 kg; 300 bar 615 mm, 9.9 kg.
8.5 L, 232 bar: 140 mm; 740 mm, 10.4 kg; concave base 705 mm, 11.0 kg.
10 L, 171 mm: 232 bar; or 300 bar, 610 mm, 15.6 kg.
12 L, 232 bar: 171 mm, 690 mm, 14.0 kg (white or black); 204 mm, 550 mm, 15.9 kg.
12 L, 300 bar: 171 mm, 710 mm.
15 L, 232 bar: 204 mm, 640 mm, 17.4 kg.
18 L, 232 bar: 204 mm, 710 mm, 21.0 kg.
20 L, 232 bar: 204 mm, 810 mm, 22.7 kg.
Weights are approximate and may vary slightly.
What’s Included
1 ECS steel cylinder in your chosen size and colour.
No valve.
Compatibility & Options
Supplied without a valve. Choose one from our valves and manifolds range.
Cylinders are supplied empty. We can fill them with air or nitrox at extra cost (see our gas fills page), and test and service them at extra cost (see our servicing page).
To build a twinset, pair two matching cylinders with twinset bands and a manifold; ask us about the options.
Need Some Advice?
Contact us if you'd like help choosing a cylinder size for your diving. The Abyss Scuba School team can help you find the best fit for your diving.