Speciality GasesPrecision matters in what we can do for you. As part of a global business with more than 100 years of experience, BOC is the UK's leading supplier of speciality gases and equipment. We've retained this position by being totally dedicated to meeting our customers needs with maximum precision.

BOC offers an unrivalled supply of high purity gases, gas mixtures and speciality gas equipment to suit a wide range of applications and market sectors including research, analysis, calibration, process control and manufacturing. Our speciality gases can be customised to match your individual requirements.

We hold a wide variety of common gas mixtures and high purity gases in stock around the UK, with 135 cylinder vehicles and 72 retail outlets, which means that BOC can offer unrivalled national coverage.

BOC Speciality Gases can offer you:

  • An extensive range of speciality gas mixtures and cylinder options.

  • Certified and traceable gas mixtures.

  • Expert technical advice on BOC's range of speciality gases.

  • Cylinders and equipment delivered to anywhere in the UK: wherever you are, we can supply.

  • Worldwide shipping arrangements: export speciality gases around the world and let BOC take the strain - we can deliver to your nominated location in the UK or arrange shipping worldwide.

  • A wide range of gas control equipment - the range is designed to enable gas purity and mixture accuracy to be maintained and includes cylinder-mounted regulators, purge systems and changeover manifolds, assembled and tested in the UK.

  • Free phone UK call centres.

Store Finder

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A precision gas requires a precision regulator

HP1700 special gases regulator

25% discount* off list price with code BOCSPL5. Call 0800 02 0800 or email us to find out more.

Diving Gas and more


Get diving grade oxygen and helium from BOC.

Important Notification

Flammable Gas Classification Changes under ISO 10156: 2010.