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Hydrogen Cylinder - Working with Advanced Structural Technologies, Inc.

Advanced Structural Technologies, Inc. (AST) is an industry leading manufacturer, specializing in rotary forging, metal spinning, and flowforming aluminum and other alloys into complex shapes. We have over 150,000 sq ft of manufacturing facilities in Camarillo Oxnard and California. Using our 20 years of experience and knowledge in metalforming, we have expanded into alternative energy with the largest diameter liners/cylinders in the market. We offer a unique range of manufacturing equipment, processes, and engineering expertise, which gives us the ability to innovate and maintain the top quality and excellence that our customers can count on.

Hydrogen cylinder H2 Max™ 445L description

H₂-MAX^TM 445L cylinders are designed for hydrogen storage in various applications for zero-emission and sustainable mobility solutions with service pressures of 350 bar.

The large diameter and volume of the H₂-MAX^TM 445L allows for fewer cylinders, valves and PRDs. Thus, minimizing potential leak points due to the reduced number of fittings and connection points required when compared to a traditional hydrogen storage system designed with conventional cylinders.

AST concentrates on large-diameter Type 3 hydrogen transportation, HFC-applications, marine, rail and the rugged mine applications, where the advantages of a Type III are particularly well suited.

Key features

One of the largest diameter Type III cylinder for hydrogen applications in the market

Seamless, one-piece aluminum liner

Inherent leak before burst failure mode
Superior heat tolerance for extended cylinder life
Higher impact tolerance for increased safety

Faster and complete filling with significant benefits

Efficient and complete fills in extreme temperatures
Reduced fueling cost. Superior heat dissipation requires no chilling during filling process
More complete fueling reduces range anxiety

Extended life cylinders

No replacement needed after exposure to high temperatures
Surpassed testing requirements to meet maximum cylinder life

H₂-Max hydrogen cylinders are uniquely suited for rugged environments, and ideal for compressed cryogenic applications.

Certified with UN ISO 11119-2

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Brand	AST Alternative Energy
Type of Tank	Type III
Tank Mount Type	Neck Mount, Strap Mount
Nom. Oper. Pressure (in bar)	350
Nom. Tank Pressure (in bar)	350
Volume Water equival. (in L)	445
Diameter (in mm)	660.4
Max Storage (in kg H2)	10.8
On Tank Valve included	No
Manufacturing Readiness (MRL)	10
Technology Readiness (TRL)	9
Compliant with	UN ISO 11119-2

Hydrogen Cylinder H2 Max™ 445L

Hydrogen Cylinder - Working with Advanced Structural Technologies, Inc.