Founded in 1995, China Dongda Power Industry Co., Ltd. is one of the few pressure 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 high pressure cylinder 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.

With Hand-Tight Nut. Gas Type: Nitrogen. CGA No.: CGA-580 Diam: 2". Pressure: 4000.00 PSIG [Max]
"WESTERN ENTERPRISE" TESTING GAUGE With Hand-Tight Nut. Gas Type: Nitrogen. CGA No.: CGA-580 Diam: 2" Pressure: 4000.00 PSIG [Max] Material: Brass. Type: Gauge. Sherwood HP 120 cu ft Steel Scuba Diving Tank Air Cylinder with Valve and Boot. AUTHORIZED DEALER, FULL MANUFACTURER´S WARRANTY!!! HP80 and HP100 Tanks also available: See our other Amazon Ads. Zinc spray coating - powder paint. ST120 (3500 psi) Steel. Features of the John Bunn High-Pressure Oxygen Regulator: High-pressure regulators with flow control valves, designed to maintain a pressure of 50 psi and provide a variable flow rate within 12 settings when provided with a gaseous oxygen supply from 500 to 2200 psi. New click style flow control. Five year warranty. Designed to meet the requirements of HCPCS Code: E1353.

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 High Pressure Din Valve #300S-S-35. Scuba steel cylinders include a high pressure design valve. Standard inlet thread (3/4"-14 NPSM). Boots: A high quality boot is included. TANK SPECIFICS for the HP120: TRUE CAPACITY: 123cu ft, DIAMETER: 7.29 inches, LENGTH: 28.9 inches, WEIGHT EMPTY: 41.5lbs, BUOYANCY FULL: -11.8lbs, BUOYANCY WITH 500 PSI: -4.4lbs, 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.