DGX Custom - AL-80 Doubles Package
Prices for double cylinder and manifold packages do NOT include free shipping.
Questions? Cylinder FAQ and Valve FAQ
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Double AL-80's are a value priced solution for light open water technical diving, and when configured as left and right singles are extremely popular for sidemount. A typical hogarthian equipment backmount configuration is these 7.25-inch diameter aluminum cylinders with a DIR harness, steel backplate, wing and a wetsuit. Many divers also like to add a V Trim Weight to aluminum doubles. A complete Double Cylinder Package from Dive Gear Express consists of: two cylinders, premium quality manifold with isolator, premium quality bands and bolts, left and right manifold port plugs. The cylinders each include a current month Nitrox Ready decal.
- TWO Nitrox-Ready Aluminum 80 Cylinders
- Premium Quality Manifold with Isolator
- Premium Quality Bands and Bolts
- Left and Right Manifold Port Plugs (not shown)
- Current Nitrox Ready Decal †
† Our shop evidence of inspection 3" X 6" dated decal (aka "VIP sticker") states "this cylinder and valve are suitable for service with compressed gases containing greater than 23.5% oxygen." That means the cylinder and valve, prior to initial use, are oxygen clean and oxygen compatible. If you plan to use this cylinder with gases containing more than 40% oxygen then the upgrade to our DGX Premium Oxygen Valve is suggested.
Due to weight restrictions our doubles packages ship as individual components ready-to-assemble: two cartons containing the cylinders with modular valves (including port plugs) installed in the cylinders hand tight along with a third carton containing the manifold crossbar, bands and bolt kit, two loose Evidence of Inspection decals (aka VIP stickers.). You will need to assemble the package yourself prior to filling or if you prefer arrange for a local dive shop to assemble them for a fee. Assembling a set of doubles yourself is easy if you follow our detailed assembly instructions.
Questions? Cylinder FAQ and Valve FAQ
| Brand | DGX |
|---|---|
| SKU | PK-721005 |
| Weight | 100.000000 |
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Aluminum Cylinders at Dive Gear Express
Features of All Aluminum SCUBA Tanks
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How to Select a SCUBA TankOur factual but easy-to-read article helps you make this big decision by giving you information on:
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SCUBA Tanks must be hydrostatically tested every five years (60 months). The larger primary cylinders typically have a factory hydro date between 3 and 9 months old, but not more than 12 months old. Smaller cylinders may have a factory hydro date up to 24 months old as these are manufactured less frequently.
Our cylinders and valves are Imperial 3/4 NPS neck threads, NOT Metric M25 neck threads, and the valves have overpressure relief devices. The cylinders have US DOT and Canadian CTC markings suitable for use ONLY in North America. Our cylinders and valves are NOT CE approved and NOT suitable for use in the European Union. Cylinders are NOT marked appropriately for use in Australia and New Zealand.
Aluminum Cylinders at Dive Gear Express |
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| Cylinder | Brand† | Service Pressure |
Water Volume |
True Air † Capacity |
Diameter (inches) |
Height * (inches) |
Weight * (pounds) |
Buoyancy ** Full : 500psi (pounds) |
|---|---|---|---|---|---|---|---|---|
| Aluminum 6 | Thunderbird | 3000 psi | ~0.8L | 5.8 ft3 | 3.20 | 11.1 | 2.7 | - 1.4 : - 0.0 |
| Aluminum 8 | Thunderbird | 2015 psi | ~1.5L | 7.6 ft3 | 4.38 | 10.8 | 3.8 | + 1.5 : + 2.0 |
| Aluminum 13 | Thunderbird | 3000 psi | ~2L | 12.8 ft3 | 4.38 | 13.1 | 6.0 | - 1.8 : - 0.9 |
| Aluminum 19 (tall) | Thunderbird | 3000 psi | ~3L | 18.3 ft3 | 4.38 | 18.8 | 8.0 | - 1.3: - 0.1 |
| Aluminum 19 (Short) | Catalina | 3000 psi | ~3L | 19.3 ft3 | 5.25 | 13.8 | 9.2 | - 2.1 : - 0.7 |
| Aluminum 30 | Thunderbird | 3000 psi | ~4L | 29.1 ft3 | 5.25 | 19.3 | 12.3 | - 1.5 : - 0.0 |
| Aluminum 40 | Thunderbird | 3000 psi | ~5L | 38.8 ft3 | 5.25 | 24.9 | 15.3 | - 0.7: + 2.5 |
| Aluminum 72 | Thunderbird | 3000 psi | ~10L | 69.9 ft3 | 6.89 | 26.0 | 27.8 | - 0.7 : + 2.8 |
| Aluminum 80 | Thunderbird | 3000 psi | ~11L | 77.5 ft3 | 7.25 | 26.1 | 31.5 | - 1.7 : + 3.4 |
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† Metal Impact has been rebranded as Thunderbird, cylinders are otherwise identical. * Height and weight is for cylinder only, i.e. less valve. ** Buoyancy specification is for cylinder and valve in seawater at 500 psi. Specifications are NOMINAL and supplied by Thunderbird Cylinders as of 2022. † Visit Calculating SCUBA Cylinder Free Gas Capacities for more information about True Capacity values. |
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