Union Adapters

M-Press carbon steel male union adapters are available in sizes up to 54mm x 2”, all of these fittings are made of 1.0034 carbon steel to BS EN 10305-3 with a zinc plated exterior and a brass nut. These union adapters come with a male BSPT threaded and M-profile press-fit end as well as user-replaceable EPDM rubber seals/O-rings, they’re also 16 bar pressure rated.

Carbon steel press fittings can be installed in seconds using a pressing machine and are well suited to many applications such as water and oil heating, cooling, compressed air, sprinkler systems and more. For other applications, HNBR and FPM rubber O-rings are available, M-Press backs all of their carbon steel press fittings with a 25-year manufacturers guarantee.