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  • About
    • About
      • Why Steelhead?
      • Mission, Vision, and Values
      • The Team
    • Policies & Certifications
      • Certifications
      • Safety & Quality Policies
      • Environmental Policy
      • Terms & Conditions of Purchase
      • Terms & Conditions of Sale
  • Products & Services
    • Commercial Pressure Vessels
      • Nomad Series | Compact Type III COPVs
      • Atlas Series | Type I Pressure Vessels
      • Reliance Series | Large Type III Pressure Vessels
      • CNG Cylinders | Vehicle & Fleet Gas Storage
      • Bulk Gas Storage | Hydrogen, CNG & Industrial Gas
      • Hydraulic Accumulators | Composite Fluid-Power Storage
    • Services
      • Advanced Liner Fabrication
      • Prototype Testing & ASD Testing
      • Pressure Vessel Recertification
    • Product Availability + Support
      • Product Availability
      • Steelhead Value & Support
    • Why Hydrogen? - Video
  • Key Industries
    • Aerospace, Space & Defense
    • Clean Energy & Hydrogen Infrastructure
    • Automotive & Transit Fleets
    • Industrial & Research Applications
    • Sporting Goods and High Performance Applications
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  2. Commercial Composite Pressure Vessels
  3. CNG Cylinders | Type III Composite CNG Pressure Vessels
  4. Large Type III CNG Cylinders

Large Type III CNG Cylinders

Steelhead Composites

Innovating Composite Pressure Vessels for Every Mission—On Land, Sea, Air, and Space.

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Steelhead Composites
500 Corporate Circle, Suite O
Golden, Colorado 80401

Phone: 720-524-3360

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Commercial Pressure Vessels

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  • Nomad Series | Compact Type III COPVs
  • Atlas Series | Type I Pressure Vessels
  • Reliance Series | Large Type III Pressure Vessels
  • CNG Cylinders | Vehicle & Fleet Gas Storage
  • Bulk Gas Storage | Hydrogen, CNG & Industrial Gas
  • Hydraulic Accumulators | Composite Fluid-Power Storage
  • Product Availability
  • Why Hydrogen?

Services

  • All Services
  • Advanced Liner Fabrication
  • Prototype Testing & ASD Testing
  • Pressure Vessel Recertification

Key Industries

  • Aerospace, Space & Defense
  • Clean Energy & Hydrogen Infrastructure
  • Automotive & Transit Fleets
  • Sporting Goods and High Performance Applications
  • Industrial & Research Applications
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