Hy-Lok UK 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.

Hy-Lok Certifications

Fire Safety Test Conditions

Cryogenic Ball Valve API6D, API6FA, API RP6F
Cryogenic Ball Valve ANSI/ASME B16.34, API 607, ISO 10497
Cryogenic Ball Valve BS6755, BS5146
Cryogenic Needle Valve BS6755, BS5146

NGV (Natural Gas Vehicles) & Hydrogen Certifications

Hy-Lok Tube Fittings ECE R 110, ISO 15500, EIHP
Receptacles ANSI / AGA NGV1a&b, ECE R110, EIHP
Check Valves ANSI / AGA NGV 3.1 / CGA NGV 12.3-M95, ECE R110, EIHP
Ball Valves ANSI / AGA NGV 3.1 / CGA NGV 12.3-M95, ECE R110, EIHP
Filters ECE R110
Excess Flow Valves EIHP
Relief Valves EIHP
O-Ring Face Seal Tube Fittings EIHP

Shipping Class Type Approval Certifications

  • Ball Valves (115 Series Ball Valves)
  • Bite Type Fittings
  • Cryogenic Needle Valves (1″)
  • Cryogenic Needle Valves (1/2″)
  • Hydraulic Flanges (SAE J518C& ISO 6164)
  • Hydraulic Hose Fittings
  • Hydraulic Pipe Fittings
  • Hy-Lok Instrument Tube Fittings
  • Integral Block & Bleed Valve (IBB Series)
  • Hy-Pro Integral Bonnet Needle Valve (NV Series)
  • Hope Instrument Thread Fittings
  • Hope Instrument Weld Fittings
  • 37 Degrees Flared Tube Fittings
  • Tube Fittings for DIN 2353
  • Hy-Pro Union Bonnet Valves (GB Series)
  • Hy-Pro Manifold and Gauge Root Valves
  • Hydraulic Square Flange Needle Valve (25A, 32A, 40A ,50A, 65A)
  • Hy-Lok Tube Fittings
  • Single Bite Type Fittings for JIS & KS
  • Bite Type Tube Fittings for DIN 2353-LL, L and S Series
  • Cryogenic needle Valve #150 1/2″,1″ (Casting body)
  • Needle Valve M-Series (MV, GV, GV2)
  • 115 Series Ball Valve
  • Hy-Lok Tube Fittings
  • Bite Type Tube Fittings for DIN 2353-LL, L and S Series
  • Cryogenic Trunnion Ball Valve
  • Cryogenic Needle Valves with Extended Bonnet
  • Hy-Lok Tube Fittings
  • Cryogenic Needle Valves (Body-ASTM A182 F316)
  • Bite Type Tube Fittings
  • 2-Way Needle Valve (25A, 32A, 40A ,50A, 65A)
  • Din2353 Tube Fitting
  • Pipe Fitting and Valves for High Press. Pipe & Tube System
  • Cryogenic Needle Valve #150 1/2″,1″ (Casting body)

Additional Resources

Fluid Compatibility Guide

Product Catalogues

Certification Library