Founded in 1995, China Dongda Power Industry Co., Ltd. is one of the few catalina cylinder manufacturer and distributor in China that has patents on the generator, motor, power supply, engine, alternator, diesel and gearmotor design, supply and sale. Our custom catalina cylinders has obtained the certifications of ISO9001-2000, GS/TUV, CE, VL, EPA, QHS, SON, CAP and SRS and we have won EPA 2005 Motor Year Certification. Our 30 QC staff carefully performs inspections at every stage of production, from the time we receive raw materials to packaging. Noise, power, and stability are tested to ensure that our engines can endure 580 hours of constant use. We also can design and deliver OEM/ODM samples in one month.

Sherwood Steel HP 80 cu ft Scuba Diving Air Tank Cylinder with Valve and Boot.
AUTHORIZED DEALER, FULL MANUFACTURER´S WARRANTY!!! HP100 and HP120 Tanks also available: See our other Amazon Ads. Zinc spray coating - powder paint. ST80 (3500 psi) Steel. Features of this wonderful tank include: Sherwood Quality, Manufacturing Process: Built from Chromium Molybdenum steel plates. Utilizes the spun process. This process yields a cylinder with a very uniform wall thickness resulting in a lighter, more efficient cylinder. Buoyancy: Superior buoyancy characteristics. These cylinders have been designed to be slightly negative at the end of a dive. Exterior Finish: Shot Blast - Zinc spray coating - powder paint. Interior Finish: Shot Blast - Highly-resistant to internal rusting. Valves:Model #300S-S-35. Scuba steel cylinders include high pressure design valves. Standard inlet thread (3/4"-14 NPSM). Boots: High quality boot is included, TANK SPECIFICS for the HP80: 3500 PSI, Chromium Molybdenum Steel, TRUE CAPACITY: 83cu ft, DIAMETER: 7.29 inches, LENGTH: 20.8 inches, WEIGHT EMPTY: 30.9 lbs, BUOYANCY FULL: -10.9lbs, BUOYANCY WITH 500 PSI: -5.9lbs, Chromium Molybdenum steel construction, Inlet thread is standard 3/4"-14 UNF-2B, Negatively buoyant throughout the dive, Manufactured to DOT-E12079-3500, Meets Canadian TC3AAM specifications. AUTHORIZED DEALER, FULL MANUFACTURER´S WARRANTY!!! This Super High Pressure Steel Scuba Cylinder Tank is GREAT for all your diving needs.

Made of high strength aluminum alloy 6061-T6. Holds 2.5 lbs. of gas. Service Pressure: 1800 PSI / 124 BAR.
Tanks are shipped empty. Capacity: 2 - 3 half kegs. This 2.5 lb cylinder provides CO2 for your draft beer system and is made of high strength aluminum alloy. Enjoy the benefits of aluminum tanks - lighter than steel tanks, and they do not rust! Remember, the tank must be used in a fully upright position. So, do not tilt it or lay it on its side. Easy to fill, simply check out your local listings under "Gas," or try local fire extinguisher supply or welding supply companies. In stock and ready to ship. Features: Made of high strength aluminum alloy 6061-T6. Tanks are shipped empty. Cylinders are stamped with required U.S. Department of Transportation (DOT) and Transport Canada (TC) Markings. Brushed body with natural unpainted dome is standard. Specs: Dimensions: 4 1/4"W x 13 1/2"H x 4 1/4"D. Service Pressure: 1800 PSI / 124 bar. Test Pressure: 3000 PSI / 207 bar. Holds 2.5 lbs. of gas. Capacity: 2 - 3 half kegs. Catalina Cylinders Aluminum Oxygen Tanks E : Aluminum Oxygen Tanks Empty cylinder is made from high strength aluminum alloy. Standard finish is brushed body with green shoulder. Post valve is attached. Tank is non-returnable.