M-Press female straight adapters in carbon steel are available in sizes up to 54mm, all of these fittings are made of 1.0034 carbon steel to BS EN 10305-3 with a zinc plated exterior. Carbon steel male adapters come with plain or M-profile press-fit ends, a female BSPP parallel thread user-replaceable EPDM rubber seals and a PN16 (16 bar) pressure rating.
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.