Flow meters recommended for use with air, gases and vapours, if you require any further help or information then please contact us. Product Range Flow meters recommended for use with compressed air. Compressed Air Flow meters recommended for use with nitrogen. Nitrogen Flow meters recommended for use with oxygen. Oxygen Flow meters recommended for use with steam and vapours. Steam / Vapour Contact Us Freephone0800 433 4770 Phone+44(0)1159 017111 Emailsales@ukflowtechnik.com