Hy-Lok USA, Inc. is proud to offer a wide range of high-quality valve and fitting solutions at competitive prices.

We take great pride in providing our customers with premium valve and fittings, tailored to their precise requirements. Our variety of certifications illustrate our commitment to our customers and our ability to successfully provide high quality, durable and reliable products.

Hy-Lok’s industry certifications include ISO 9001, BSI Occupational Health and Safety Management, a number of fire safety certifications, natural gas vehicles (NGV) and hydrogen approvals, among many others.

Fire Safety Test Conditions

  • Cryogenic Ball Valve
  • Cryogenic Ball Valve
  • Cryogenic Ball Valve
  • Cryogenic Needle Valve
  • ANSI/ASME B16.34, API 607, ISO 10497
  • BS6755, BS5146
  • BS6755, BS5146

NGV (Natural Gas Vehicles) & Hydrogen Certifications

  • Hy-Lok Tube Fittings
  • Receptacles
  • Check Valves
  • Ball Valves
  • Filters
  • Excess Flow Valves
  • Relief Valves
  • O-Ring Face Seal Tube Fittings

Shipping Class Type Approval Certifications


If you have any questions about any of our products or services, don’t hesitate to give us a call. For any inquiries, fill out the form and one of our Hy-Lok representative will contact you soon.

Sign Up TO Join Our Newsletter