22 mm x 15 mm UK manufactured compression fittings Made by BS EN ISO 9001:2008 companies, WRAS approved and kitemarked to BS 864-2:1983 or BS EN 1254:1998. They conform to both these standards apart from marking ; a fitting conforms to the standard with which it is marked. Except that sizes 4 mm and 5 mm are manufactured in the UK to BS 2051:2:1984.
22 mm x 15 mm UK manufactured compression fittings Made by BS EN ISO 9001:2008 companies, WRAS approved and kitemarked to BS 864-2:1983 or BS EN 1254:1998. They conform to both these standards apart from marking ; a fitting conforms to the standard with which it is marked. Except that sizes 4 mm and 5 mm are manufactured in the UK to BS 2051:2:1984.